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S3C84A4/P84A4
PRODUCT OVERVIEW
1
PRODUCT OVERVIEW
SAM88 RC PRODUCT FAMILY
Samsung's new SAM88RC family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-programmable ROM sizes. Timer/counters with selectable operating modes are included to support real-time operations. Many SAM88RC microcontrollers have an external interface that provides access to external memory and other peripheral devices. The sophisticated interrupt structure recognizes up to eight interrupt levels. Each level can have one or more interrupt sources and vectors. Fast interrupt processing (within a minimum six CPU clocks) can be assigned to specific interrupt levels.
S3C84A4X MICROCONTROLLER
The S3C84A4 single-chip microcontroller is fabricated using a highly advanced CMOS process. Its design is based on the powerful SAM88RC CPU core. Stop and Idle power-down modes were implemented to reduce power consumption. The size of the internal register file is logically expanded, increasing the addressable on-chip register space to 784 bytes. A flexible yet sophisticated external interface is used to access up to 64-Kbytes of program and data memory. The S3C84A4 is a versatile microcontroller that is ideal for use in a wide range of general-purpose applications such as CD-ROM/DVD-ROM drives. Using the SAM88RC modular design approach, the following peripherals were integrated with the SAM88RC CPU core: -- Three configurable 8-bit general I/O ports -- One 5-bit general I/O ports -- Two 8-bit timers with interval timer -- Two 16-bit timers/counters with PWM operating modes 8-bit or capture modes -- Voltage level detector circuit embedded. -- Two embedded chip selection pins (CS0-CS1) or normal I/O ports -- Two programmable 8-bit PWM modules with corresponding output pins -- A/D converter with 4 selectable input pins
OTP
The S3C84A4 microcontroller is also avaiable in OTP(One Time Programmable) version, S3P84A4. The S3P84A4 microcontroller has an on-chip 4K-byte one-time-programmable EPROM instead of masked ROM. The S3P84A4 is comparable to S3C84A4, both in function and in pin configuration.
1-1
PRODUCT OVERVIEW
S3C84A4/P84A4
FEATURES
CPU * SAM88RC CPU core Interrupts * * Memory * * 784-byte internal register file 4-Kbyte internal program memory PWM * External Interface * * * * 64K-byte external data memory 64K-byte external program memory area (ROMless) 60K-byte external program memory and 4K-byte internal program memory Automatic wait control function by software. * ADC * * Can be used as a general input/output port 8-bit resolution four channels * * Four output channels (PWM0, PWM1, TCPWM, TDPWM) 8-bit resolution with a 4-bit prescaler (PWM0, PWM1) From 8-bit counter (Timer C/D) (TCPWM, TDPWM) * Two edge-driven external interrupts Two level-driven external interrupts Fast interrupt mode processing
Embedded chip selection To reduce interface glue logic, chip selection logic is embedded (256 byte address unit)
Voltage level detector * To prevent MCU from malfunctioning in an unstable power level, a voltage level detector circuit is inserted
8-bit Timers * Two 8-bit timers with interval timer mode (Timer A and B)
Operating Voltage Range * 4.5 V to 5.5 volts (@ 30 MHz)
16-bit Timer/Counters * * * * Two programmable 16-bit timer/counters Interval, or event counter mode operation 16-bit capture and 8-bit PWM mode Internal or external clock source
Operating Temperature Range * - 40 C to + 85 C
Package Types * 64-pin QFP
Basic Timer (Watchdog Timer) * * Overflow signal makes a system reset 8-bit timer with interval timer mode Operating frequency * 30 MHz (4.5 V to 5.5 V)
General I/O Ports * * * Three 8-bit general I/O ports (port 0, 1, 2) One 5-bit general I/O port (port 3) Port 2 can drive LED directly
1-2
S3C84A4/P84A4
PRODUCT OVERVIEW
BLOCK DIAGRAM
External Address Data (A8-A15) (A0-A7) (D0-D7)
External Interface Block RESET EA P0.0-P0.3/ ADC0-ADC3 P0.4-P0.7
SAM8 BUS
Port 0
Port I/O & Interrupt Control
XIN XOUT Main OSC
Watch-dog Timer
Port 1
P1.0-P1.7 TDCK,TCCK TDCAP,TCCAP TCOUT,TDOUT PWM0,PWM1
Timers A and B
SAM88 RC CPU
Port 2
P2.0-P2.3/ INT0-INT3 P2.4-P2.6 P2.7/WAIT
Basic Timer
784-Byte Register File
TCCK TDCK TCOUT TDOUT
Port 3
Timers C and D SAM8 BUS AVSS (Internally) A/D Converter AVREF ADC0/P0.0ADC3/P0.3 PWM0 PWM1 4-Kbyte ROM PWM Module VDD1 VSS1
P3.0-P3.1/ A16-A17 P3.2, P3.3/ CS0-CS1 P3.4
Figure 1-1. S3C84A4 Block Diagram
1-3
PRODUCT OVERVIEW
S3C84A4/P84A4
PIN ASSIGNMENT
A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 53 53 54 55 56 57 58 59 60 61 62 63 64
PM DM RD WR P3.4 CS1/P3.3 CS0/P3.2 A17/P3.1 VDD VSS XOUT XIN TEST/EA A16/P3.0 WAIT/P2.7 RESET P2.6 P2.5 P2.4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
S3C84A4
(64-QFP)
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 AVREF P0.0/ADC0 P0.1/ADC1 P0.2/ADC2 P0.3/ADC3 P0.4 P0.5 P0.6
Figure 1-2. S3C84A4 Pin Assignments
32 31 30 29 28 27 26 25 24 23 22 21 20 P0.7 P1.0/TDCK P1.1/TCCK P1.2/TDCAP P1.3/TCCAP P1.4/TCOUT P1.5/TDOUT P1.6/PWM0 P1.7/PWM1 P2.0/INT0 P2.1/INT1 P2.2/INT2 P2.3/INT3
1-4
S3C84A4/P84A4
PRODUCT OVERVIEW
PIN DESCRIPTIONS
Table 1-1. S3C84A4/P84A4 Pin Descriptions Pin Name P0.0-P0.7 Pin Type I/O Pin Description Bit programmable port; input or output mode selected by software; normal input or push-pull Software assignable pull-up. Alternately, P0.0-P0.3 can be use as a ADC input port with 8-bit resolution. Bit programmable port; input or output mode selected by software ; normal input or push-pull. Software assignable pull-up. Respectively, each pin can serve as: P1.0 / timer D clock input (TDCK) P1.1 / timer C clock input (TCCK) P1.2 / timer D capture input (TDCAP) P1.3 / timer C capture input (TCCAP) P1.4 / timer C out (TCOUT) / PWM out (TCPWM) P1.5 / timer D out (TDOUT) / PWM out (TDPWM) P1.6 / PWM0 output port P1.7 / PWM1 output port General I/O port with normal input or push-pull output. Software assignable pull-up. Bit programmable; Alternately, P2.0- P2.3 can be used as inputs for external interrupts,INT0- INT3( with noise filter and interrupt control). INT0/INT1 are level interrupts General I/O port with bit programmable pins. Normal input or push-pull output with software assignable pull-up. Input or output mode is selectable by software. P3.0-P3.1 can alternately be used as outputs of high address (A16,A17). P3.2-P3.3 can alternately be used as outputs for embedded chip selection output. P3.0 / A16 P3.1 / A17 P3.2 / CS0 P3.3 / CS1 Circuit Type 2,3 Pin Number 39-32 Share Pins ADC0- ADC3
P1.0-P1.7
I/O
3,5
31-24
TDCK TCCK TDCAP TCCAP TCOUT/ TCPWM TDOUT/ TDPWM PWM0 PWM1
P2.0-P2.7
I/O
3,4,5
23-17 15
INT0-INT3
P3.0-P3.4
I/O
3,5
14, 8-5
A16, A17 CS0,CS1
1-5
PRODUCT OVERVIEW
S3C84A4/P84A4
Table 1-1. S3C84A4/P84A4 Pin Descriptions (Continued) Pin Name ADC0-ADC3 AVREF PWM0, PWM1 INT0-INT3 TCCK, TDCK TCCAP, TDCAP TCOUT, TDOUT
WAIT RESET
Pin Type I - O I I I O I I I
Pin Description Analog input pins for A/D converter module. Alternatively, used as general-purpose I/O A/D converter reference voltage AVSS is connected to ground internally Pulse width modulation output pins External interrupt input pins External clock input for timer C and timer D Timer C/ Timer D capture input Timer C/D 8-bit PWM mode output or counter match toggle output Input pin for the slow memory timing signal from the external interface System reset pin (pull-up resistor: 50 k) 5V: ROMless operating 0V: internal 4K and external 60K addressing mode Power input pins Main oscillator pins Address output for external device Data I/O for external device External memory selection output External memory read/write output Extended memory high address output Embedded chip selection output
Circuit Type 2 - 5 4 3 3 5 5 1 -
Pin Number 39-36 40 25,24 23-20 30,31 28,29 27,26 15 16 13
Share Pins P0.0-P0.3 - P1.6, P1.7 P2.0-P2.3 P1.1/P1.0 P1.3/P1.2 P1.4, P1.5 P2.7 - -
EA
VDD, VSS XIN, XOUT A0-A15 D0-D7 PM, DM RD,WR A16, A17 CS0-CS1
- - O I/O O O O O
- - 6 7 - - 5 5
9,10 12,11 49-64 41-48 1,2 3, 4 14, 8 7, 6
- - - - - - P3.0, P3.1 P3.2, P3.3
1-6
S3C84A4/P84A4
PRODUCT OVERVIEW
PIN CIRCUITS
Table 1-2. Pin Circuit Assignments for the S3C84A4/P84A4 Circuit Number 1 2 3 4 5 6 7 Circuit Type Input I/O I/O I/O I/O Output I/O
RESET pin
S3C8414X Assignments A/D converter input pins, ADC0-ADC3, P0.0-P0.3 Port 0, 2, and 3 P2 (INT0-INT3) P1 (TDCK, TCCK, TDCAP, TCCAP, TCOUT, TDOUT, TCPWM, TDPWM, PWM0, PWM1) A0-A15, PM, DM, RD, WR D0-D7
1-7
PRODUCT OVERVIEW
S3C84A4/P84A4
VDD Pull-up Resistor (Typical 50 k) Input
Figure 1-4. Pin Circuit Type 1 (RESET RESET)
VDD Pull-up Resistor Pull-Down Enable
VDD Data I/O Output Disable Vss Normal Input ADC Port Selection ADC In Enable ADC
Figure 1-5. Pin Circuit Type 2 (ADC0-ADC3)
1-8
S3C84A4/P84A4
PRODUCT OVERVIEW
VDD
Pull-Up Enable VDD
Data I/O Output Disable
Normal Input
Figure 1-6. Pin Circuit Type 3
1-9
PRODUCT OVERVIEW
S3C84A4/P84A4
VDD
Pull-Up Enable VDD
Pull-Up Resistor
Data I/O Output Disable
External Interrupt Input Normal Input
Vss Noise Filter
Figure 1-7. Pin Circuit Type 4
1-10
S3C84A4/P84A4
PRODUCT OVERVIEW
VDD Pull-Up Resistor Pull-Up Enable VDD Data Other Function Output Disable
Selection Bits for Ports or Other Function
I/O
Vss Input
Figure 1-8. Pin Circuit Type 5
VDD
In
Out
Figure 1-9. Pin Circuit Type 6
1-11
PRODUCT OVERVIEW
S3C84A4/P84A4
VDD
Data I/O Output Disable
Normal Input
Figure 1-10. Pin Circuit Type 7
1-12
S3C84A4/P84A4
ELECTRICAL DATA
17
OVERVIEW
-- I/O capacitance
ELECTRICAL DATA
In this section, S3C84A4 electrical characteristics are presented in tables and graphs. The information is arranged in the following order: -- Absolute maximum ratings -- D.C. electrical characteristics -- A.C. electrical characteristics -- Oscillation characteristics -- Oscillation stabilization time
17-1
ELECTRICAL DATA
S3C84A4/P84A4
Table 17-1. Absolute Maximum Ratings (TA = 25C) Parameter Supply voltage Input voltage Output voltage Output current high Symbol VDD VI VO I OH I OL TA TSTG One I/O pin active All I/O pins active Output current low One I/O pin active Total pin current for port Operating temperature Storage temperature Conditions Rating - 0.3 to + 6.5 - 0.3 to VDD + 0.3 - 0.3 to VDD + 0.3 - 18 - 60 + 30 + 100 - 40 to + 85 - 65 to + 150
C C
Unit V
V mA
mA
17-2
S3C84A4/P84A4
ELECTRICAL DATA
Table 17-2. D.C. Electrical Characteristics (TA = - 40C to + 85C, VDD = 2.7 V to 5.5 V) Parameter Operating voltage Input high voltage Symbol VDD VIH1 VIH2 VIH3 Input low voltage VIL1 VIL2 Output high voltage Output low voltage VOL1 VOL2 Input high leakage current ILIH1 ILIH2 Input low leakage current ILIL1 ILIL2 Output high leakage current Output low leakage current Pull-up and pulldown resistor ILOH ILOL RL1 RL2 VOH Conditions FOSC = 30 MHz (instruction clock = 7.5 MHz) All input pins except VIH2, VIH3 RESET XIN All input pins except VIL2 XIN VDD= 5 V, IOH = - 1 mA IOH = - 100 uA VDD = 5 V, IOL = 2 mA All output pins except port 2 VDD = 5 V IOL = 15 mA, port 2 VIN = VDD All input pins except XIN VIN = VDD XIN VIN = 0 V All input pins except XIN VIN = 0 V, XIN VOUT = VDD All I/O pins and output pins VOUT = 0 V All I/O pins and output pins Ports 0-3, TA = 25 C TA = 25 C, RESET only VIN = 0 V; VDD = 5 V 30 50 80 VIN = 0 V; VDD = 5 V - - 30 - -0 46 - - VDD - 1.0 VDD - 0.5 - - - - - - 0.5 - Min 4.5 0.51 VDD 0.8 VDD VDD - 0.5 - - 0.2 VDD 0.4 - - 0.4 1.0 3 20 -3 - 20 5 -5 80 k A V V V Typ - - Max 5.5 VDD Unit V V
17-3
ELECTRICAL DATA
S3C84A4/P84A4
Table 17-2. D.C. Electrical Characteristics (Continued) (TA = - 40C to + 85C, VDD = 2.7 V to 5.5 V) Parameter Supply current
(note)
Symbol IDD1 IDD2 IDD3
Conditions VDD = 5 V 10% 30 MHz oscillation Idle mode; VDD = 5 V 10% 30 MHz oscillation Stop mode; VDD = 5 V 10%
Min -
Typ 30 10 100
Max 60 20 200
Unit mA
A
LVD enable, TA = 25C
NOTE: Supply current does not include current drawn through internal pull-up resistors or external output current loads.
Table 17-3. A.C. Electrical Characteristics (TA = -40C to + 85C) Parameter Interrupt input high, low width (P2.0-P2.7) RESET input low width Symbol tINTH, tINTL tRSL Conditions VDD = 5V Min 180 Typ - Max - Unit nS
VDD = 5V
1000
-
-
nS
NOTES: 1. The unit tCPU means one CPU clock period. 2. The oscillator frequency is the same as the CPU clock frequency.
tINTL
tINTH
0.8 VDD 0.2 VDD
Figure 17-1. Input Timing for External Interrupts (Ports 2)
17-4
S3C84A4/P84A4
ELECTRICAL DATA
tRSL
RESET
0.2 V DD
Figure 17-2. Input Timing for RESET
Table 17-4. Input/Output Capacitance (TA = - 40C to + 85C, VDD = 0 V) Parameter Input capacitance Output capacitance I/O capacitance Symbol CIN COUT CIO Conditions f = 1 MHz; unmeasured pins are connected to VSS Min - Typ - Max 10 Unit pF
Table 17-5. Data Retention Supply Voltage in Stop Mode (TA = - 40C to + 85C) Parameter Data retention supply voltage Data retention supply current Symbol VDDDR IDDDR Stop mode, VDDDR = 2.0 V Conditions Min 2 - Typ - - Max 5.5 50 Unit V A
NOTES: 1. During the oscillator stabilization wait time (tWAIT), all CPU operations must be stopped. 2. Supply current does not include drawn through internal pull-up resistors and external output current loads.
17-5
ELECTRICAL DATA
S3C84A4/P84A4
Reset Occurs Stop Mode Data Retention Mode VDD Execution of Stop Instruction RESET 0.2 V DD NOTE: tWAIT is the same as 4096 x 16 x 1 / fOSC . t WAIT VDDDR
Oscillation Stabilization Time Normal Operating Mode
Figure 17-3. Stop Mode Release Timing Initiated by RESET
17-6
S3C84A4/P84A4
ELECTRICAL DATA
Table 17-6. A/D Converter Electrical Characteristics (TA = - 40C to + 85C) Parameter Resolution Total accuracy Integral linearity error Integral linearity error Offset error of top Offset error of bottom Conversion time (1) Analog input voltage Analog input impedance Analog reference voltage Analog input current Analog block current(2) ILE DLE EOT EOB tCON VIAN RAN AVREF IADIN IADC - - AVREF = VDD = 5V AVREF = VDD = 5V AVREF = VDD = 3V AVREF = VDD = 5V When Power Down mode 17 AVss 2 3.0 - VDD = 5 V Conversion time = 5 us AVREF = 5 V AVSS = 0 V Symbol Conditions Min - - Typ 8 - - -
1 0.5
Max -
3 2 1 3 2
Unit bit LSB
30 - 1000 - - 1 0.5 100
250 AVref - VDD 10 3 1.5 500
s V M V uA mA mA nA
NOTES: 1. 'Conversion time' is the time required from the moment a conversion operation starts until it ends. 2. IADC is an operating current during A/D conversion.
17-7
ELECTRICAL DATA
S3C84A4/P84A4
VDD Reference Voltage Input R AVREF 10 pF + C 103
S3C84A4 VDD
Analog Input Voltage
C 101
ADC0-ADC3
VSS
NOTE:
The symbol "R" signifies an offset resistor with a value of from 50 to 100. If this resistor is omitted, the absolute accuracy will be maximum of 3 LSBs.
Figure 17-4. Recommended A/D Converter Circuit for Highest Absolute Accuracy
17-8
S3C84A4/P84A4
ELECTRICAL DATA
Table 17-7. Main Oscillator Frequency (fOSC1) (TA = - 40C + 85C, VDD = 4.5 V to 5.5 V) Oscillator Crystal Clock Circuit
C1 XIN
Test Condition CPU clock oscillation frequency
Min 4
Typ -
Max 25
Unit MHz
XOUT C2
Ceramic
C1 XIN
CPU clock oscillation frequency
4
-
30
MHz
XOUT C2
External clock
XIN
XIN input frequency
4
-
30
MHz
XOUT
Table 17-8. Main Oscillator Clock Stabilization Time (tST1) (TA = -40C + 85C, VDD = 4.5 V to 5.5 V) Oscillator Crystal Ceramic External clock Test Condition VDD = 4.5 V to 5.5 V Stabilization occurs when VDD is equal to the minimum oscillator voltage range. XIN input high and low level width (tXH, tXL) Min - - 50 Typ - - - Max 10 4 - Unit ms ms ns
NOTE: Oscillation stabilization time (tST1) is the time required for the CPU clock to return to its normal oscillation frequency after a power-on occurs, or when Stop mode is ended by a RESET signal. The RESET should therefore be held at low level until the tST1 time has elapsed.
17-9
ELECTRICAL DATA
S3C84A4/P84A4
1 / f OSC1
tXL
tXH
XIN
VDD - 0.5 V
0.4 V
Figure 17-6. Clock Timing Measurement at XIN
Table 17-9. Characteristics of Voltage Level Detect circuit (TA = - 40C + 85C) When Power off Parameter Operating Voltage of VLD Detect Voltage Current consumption Symbol VDD VDET IVLD Conditions - - VDD = 5.5 V Min 4.5 3.1 - Typ - 3.7 100 Max 5.5 4.1 200 Unit V V uA
(TA = - 40C + 85C) When Power on Parameter Operating Voltage of VLD Detect Voltage Current consumption Symbol VDD VDET IVLD Conditions - - VDD = 5.5 V Min 4.5 3.4 - Typ - 4.0 100 Max 5.5 4.4 200 Unit V V uA
17-10
S3C84A4/P84A4
ELECTRICAL DATA
fOSC 30 MHz
20 MHz 18 MHz 16 MHz 14 MHz 12 MHz
4 MHz 1 2 3 4 5 6 7
Supply Voltage (V) Minimum Instruction Clock = 1/4 x oscillator frequency
Figure 17-7. Operating Voltage Range ( LVD Enable)
17-11
S3C84A4/P84A4
MECHANICAL DATA
18
OVERVIEW
MECHANICAL DATA
The S3C84A4 microcontroller is available in a 64-pin QFP package (64-QFP-1420C) .
23.90 0.30 20.00 0.20 0-8
+ 0.10
0.15 - 0.05
17.90 0.30
14.00 0.20
64-QFP-1420C
0.80 0.20 #1 1.00
+ 0.10
0.10 MAX
#64
0.40 - 0.05 0.15 MAX 0.05 MIN (1.00) 2.65 0.10 3.00 MAX
0.80 0.20
NOTE: Dimensions are in millimeters.
Figure 18-1. 64-QFP-1420C Package Dimensions
18-1
S3C84A4/P84A4
S3P84A4 OTP
19
OVERVIEW
S3P84A4 OTP
The S3P84A4 single-chip CMOS microcontroller is the OTP (One Time Programmable) version of the S3C84A4 microcontrollers. It has an on-chip EPROM instead of masked ROM. The EPROM is accessed by serial data format. S3C84A4 is fully compatible with S3C84A4, both in function and in pin configuration. As it has simple programming requirements, S3P84A4 is ideal for use as an evaluation chip for the S3C84A4.
19-1
S3P84A4 OTP
S3C84A4/P84A4
A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 52 53 54 55 56 57 58 59 60 61 62 63 64
PM DM RD WR P3.4 CS1/P3.3 CS0/P3.2 A17/P3.1 VDD VSS XOUT XIN TEST/EA A16/P3.0 WAIT/P2.7 RESET P2.6 P2.5 P2.4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
SDAT SCLK VDD Vss
S3P84A4
(64-QFP)
Vpp RESET
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 AVREF P0.0/ADC0 P0.1/ADC1 P0.2/ADC2 P0.3/ADC3 P0.4 P0.5 P0.6
Figure 19-1. S3P84A4 Pin Assignments (64-QFP Package)
32 31 30 29 28 27 26 25 24 23 22 21 20 P0.7 P1.0/TDCK P1.1/TCCK P1.2/TDCAP P1.3/TCCAP P1.4/TCOUT P1.5/TDOUT P1.6/PWM0 P1.7/PWM1 P2.0/INT0 P2.1/INT1 P2.2/INT2 P2.3/INT3
19-2
S3C84A4/P84A4
S3P84A4 OTP
Table 19-1. Descriptions of Pins Used to Read/Write the EPROM Main Chip Pin Name P3.2 Pin Name SDAT Pin No. 7 During Programming I/O I/O Function Serial Data Pin (Output when reading, Input when writing) Input and Push-pull Output Port can be assigned. Serial Clock Pin (Input Only Pin) EPROM Cell Writing Power Supply Pin (Indicates OTP Mode Entering) When writing 12.5V is applied and when reading 5 V is applied (Option). Chip Initialization Logic Power Supply Pin. VDD should be tied to 5V during programming.
P3.1 EA
SCLK VPP
8 13
I I
RESET VDD1/VSS1
RESET VDD/VSS
16 9/10
I I
Table 19-2. Comparison of S3P84A4 and S3C84A4 Features Characteristic Program Memory Operating Voltage (VDD) OTP Programming Mode Pin Configuration EPROM Programmability S3P84A4 4 K byte EPROM 2.7 V to 5.5 V VDD = 5 V, VPP (TEST) = 12.5V 64 QFP User Program 1 time 64 QFP Programmed at the factory 2.7 V to 5.5V S3C84A4 4 K bytes mask ROM
OPERATING MODE CHARACTERISTICS When 12.5 V is supplied to the VPP (TEST) pin of S3P84A4, the EPROM programming mode is entered. The operating mode (read, write, or read protection) is selected according to the input signals to the pins listed in Table 19-3 below. Table 19-3. Operating Mode Selection Criteria VDD 5V Vpp (TEST) 5V 12.5 V 12.5 V 12.5 V REG/ MEM 0 0 0 1 Address (A15-A0) 0000H 0000H 0000H 0E3FH R/W W 1 0 1 0 EPROM read EPROM program EPROM verify EPROM read protection Mode
NOTE: "0" means Low level; "1" means High level.
19-3
S3P84A4 OTP
S3C84A4/P84A4
D.C. ELECTRICAL CHARACTERISTICS
Table 19-4. D/C Electrical Characteristics (TA = - 40C to + 85C, VDD = 2.7 V to 5.5 V) Parameter Operating voltage Input high voltage Symbol VDD VIH1 VIH2 VIH3 Input low voltage VIL1 VIL2 Output high voltage Output low voltage VOL1 VOL2 Input high leakage current ILIH1 ILIH2 Input low leakage current ILIL1 ILIL2 Output high leakage current Output low leakage current Pull-up and pulldown resistor ILOH ILOL RL1 RL2 VOH Conditions FOSC = 30 MHz (instruction clock = 7.5 MHz) All input pins except VIH2, VIH3 RESET XIN All input pins except VIL2 XIN VDD= 5 V, IOH = - 1 mA IOH = - 100 uA VDD = 5 V, IOL = 2 mA All output pins except port 2 VDD = 5 V IOL = 15 mA, port 2 VIN = VDD All input pins except XIN VIN = VDD XIN VIN = 0 V All input pins except XIN VIN = 0 V, XIN VOUT = VDD All I/O pins and output pins VOUT = 0 V All I/O pins and output pins Ports 0-3, TA = 25 C TA = 25 C, RESET only VIN = 0 V; VDD = 5 V 30 50 80 VIN = 0 V; VDD = 5 V - - 30 - -0 46 - - VDD - 1.0 VDD - 0.5 - - - - - - 0.5 - Min 4.5 0.51 VDD 0.8 VDD VDD - 0.5 - - 0.2 VDD 0.4 - - 0.4 1.0 3 20 -3 - 20 5 -5 80 k A V V V Typ - - Max 5.5 VDD Unit V V
19-4
S3C84A4/P84A4
S3P84A4 OTP
Table 19-4. D/C Electrical Characteristics (Continued) (TA = - 40C to + 85C, VDD = 2.7 V to 5.5 V) Parameter Supply current
(note)
Symbol IDD1 IDD2 IDD3
Conditions VDD = 5 V 10% 30 MHz oscillation Idle mode; VDD = 5 V 10% 30 MHz oscillation Stop mode; VDD = 5 V 10%
Min -
Typ 30 10 100
Max 60 20 200
Unit mA
A
LVD enable, TA = 25C
NOTE: Supply current does not include current drawn through internal pull-up resistors or external output current loads.
19-5

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