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KS58550
UNIVERSAL 10 MEMORY DIALER
INTRODUCTION
The KS58550 is 10 memory Tone/pulse switchable dialer with 32 digit redial memory. The Flash time is selectable on the keyboard. Also, Hands-Free and Hold function are controlled on the keyboard. The KS58550 can fulfill all the standards of each country.
22-DIP-400
FEATURES
* * * * * * * * * * * * Flash Time selectable on the keyboard (92, 312, 608 mS) Hands-Free and Hold function Key in Tone function (1.75KHz) Tone/Pulse switchable Pulse rate selectable Make/Break ratio selectable Single tone enable for test Uses 3.579545MHz Color burst Crystal or ceramic resonator Tone (T/ *) key function (Pulse Tone ) Redial function (Pulse: 32 digit, Tone : 31 digit) Two touch repertory memory (Pulse : 16 digit, Tone : 15 digit) Pin compatible with KS58006, KS58555B
ORDERING INFORMATION
Function Device Package HFD KS58550 22-DIP-400 O HOLD O KIT O FLASH TIME Selectable MAKE/BREAK Selectable PPS Selectable
* HFD : Hands-Free Dialing Function * HOLD : Hold for Melody * KIT : Key In Tone
KS58550
BLOCK DIAGRAM
UNIVERSAL 10 MEMORY DIALER
V DD
OSCI
OSC
OSCO
DRIVER
M/B COUNTER
PULSE COUNTER
DP
M/D
HS
SYSTEM CLOCK COUNTER CIRCUIT
TIMING COUNTER
DEBOUNCE CIRCUIT
MDS /DRS
KIT GEN. WRITE/READ ADDRESS COUNTER
KIT
C1 C2 C3 C4 R1 R2 R3 R4 R5
REDIAL RAM
XMUTE
4 KEY INPUT INTERFACE CIRCUIT
DATA LATCH 10 MEMORY STORE RAM
4
RECALL/LOCATION LATCH & ADDRESS COUNTER
ROW, COLUMN SINEWAVE COUNTER & D/A CONVERTER
TONE
HANDS FREE & HOLD CONTROL OUTPUT
HFO
Vss
HDO
KS58550
UNIVERSAL 10 MEMORY DIALER
PIN CONFIGURATION
R5 R1 R2 R3 R4 HS M/B MDS/DRS OSCI
1 2 3 4 5 6 7 8 9
22 21 20 19 18 17 16 15 14 13 12
HFO C4 C3 C2 C1 DP XMUTE TONE OUT Vss VDD HDO
KS58550
OSCO 10 KIT 11
ARRANGEMENT OF KEY BOARD
1 4 7 T/T HFI 2 5 8 0 HDI 3 6 9 # F1 ST R/L RD/P F3 F2 - RD/P: Redial/Pause - ST : Store - R/L : Recall/Location - F1 : Flash Time (92ms) - F2 : FlashTime (312ms) - F3 : Flash Time (608ms) - HFI : Hands Free Dialing Key Input - HDI : Hold Key Input - T/T : Pulse Tone Mode -# : RD/P Function in Pulse Mode Data in Tone Mode
SELECTION FUNCTION
PIN CONNECTION VDD MDS/DRS OPEN VSS MAKE/BREAK VDD VSS PULSE MODE/20 PPS PULSE MODE/10 PPS TONE MODE 1 : 2 (M : B) 2 : 3 (M : B) FUNCTION
KS58550
UNIVERSAL 10 MEMORY DIALER
PIN DESCRIPTION
Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Symbol R5 R1 R2 R3 R4 HS M/B MDS/DRS OSCI OSCO KIT HDO VDD VSS TONE X' MUTE DP C1 C2 C3 C4 HFO O Hands-Free Control Output I Column Key Input I I I I O O O S S O O O Hook Switch Make/Break Select Mode & Dial Pulse Ratio Select Pin Oscillator Input Oscillator Output Key - In -Tone Output Hold Function Control Output (+) Power (-) Power Tone Output Xmute Output (N - Channel Open Drain) Dial Pulse Output (CMOS Inverter Output) I Row Key Input I/O Description
ABSOLUTE MAXIMUM RATINGS
Characteristic Supply Voltage Input Voltage Output Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VDD VI VO PD T OPR T STG Value - 0.3 ~ 7.0 - 0.2 ~ VDD + 0.3 - 0.3 ~ VDD + 0.3 500 - 20 ~ + 70 - 55 ~ + 150 Unit V V V mW C C
KS58550
ELECTRICAL CHARACTERISTICS
(VDD = 3.5V, VSS = 0V, Ta = 25C, fosc = 3.579545 MHz) Characteristic Operating voltage Memory Retention Voltage Memory Retention Current Operating Current Standby Current Output Sink Current (DP, X' MUTE) Output Current Input Voltage Symbol VDD VMR IMR IDD(PULSE) IDD(TONE) ISB IO(SINK)1 IO(SINK)2 IOH IOL VIH VIL VI1 Input Current VI2 Column to Row Tone Ratio Row Tone Output Tone Distortion Valid Key Entry Time Pause Time Pulse Interdigit Pause Time Tone Interdigit Pause Time Tone Duration Key In Tone Duration Key In Tone Frequency dBcr VOH(TONE) VOL(TONE) THD tKD tPA tPIDP1 tPIDP2 tTIDP tTD tKIT fKIT MDS/DRS = Make/Break Time tM/B All Output Unloaded VOL = 0.4V
UNIVERSAL 10 MEMORY DIALER
Test Conditions HS = VDD = 1.0V Pulse Mode Tone Mode HS = VSS
Min 2.0 1.0 1.7 0.5 1.8 1.7 0.8VDD VSS 1 -18 -18 -
Typ 0.05 0.1 0.4 10 5.0 1.5 5.2 5.1 2 23.0 3.52 585 805 92 92 27 1.75 34.33/68.66 41.19/61.79 17.16/34.33 20.59/30.89
Max 6.0 0.1 0.3 0.7 50 VDD 0.2VDD 50 30 3 -16 -16 4 -
Unit V uA mA A mA mA mA mA V V A A dB dBV % mS Sec
VOL = 0.4V, VDD = 2.5V VOH = 3.0V VOL = 0.4V R1 ~ R5, M/B, HS C1 ~ C4, MDS/RDS, HS R1 ~ R5, VIN = VSS R1 ~ R5, VIN = VSS VDD = 2.5V Tone Mode RL = 5.0 Kohm VDD = 2.5V, RL = 5.0Kohm "P" Key Depress MDS/DRS = VDD (20 PPS) MDS/DRS = OPEN (10 PPS) MDS/DRS = VSS M/B = VDD M/B = VSS M/B = VDD M/B = VSS OPEN (10PPS) MDS/DRS = VDD (20PPS)
mS mS KHz
-
KS58550
ELECTRICAL CHARACTERISTICS
(VDD =3.5V, VSS = 0V, Ta = 25C, fOSC =3.579545 MHz) Characteristic Pulse to Tone Auto Pause Time Symbol tPTPA
UNIVERSAL 10 MEMORY DIALER
Test conditions MDS/DRS = VDD, M/B = VDD
Min -
Typ 3.52 20 34 14 24 1.2 92 312 608
Max -
Unit Sec
Pre - digit Pause Time
tPDPA
MDS/DRS = OPEN, M/B = VDD MDS/DRS = VDD, M/B = VDD MDS/DRS = OPEN, M/B = VDD
mS
Pulse to X' MUTE Overlap Time
tPMO
F1 Key Depress
mS
Flash Time
tFL
F2 Key Depress F3 Key Depress
mS
APPLICATION INFORMATION KEY DESCRIPTION
* * 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 These are Tone/Pulse dialing signal keys in normal mode. T/T Pulse Mode : Pulse to Tone Switching Key Tone Mode : Data Key # Pulse Mode : This Key will operate as a redial key if it is pressed first after off - hook. Otherwise, it will be allowed as a pause key. Tone Mode : Data key
*
* ST: Store If the ST key is allowed when the dialer is set to the corresponding condition, pressing the ST key will change the dialer into the ST mode. The ST mode is released after the memory transfer operation is executed. The dialing sequence will be interrupted when the key is activated. * R/L This key will be allowed location selection in store mode and will he allowed recall function in normal mode. * F: Flash (i = 1, 2, 3) If the Flash key is pressed, DP and X'MUTE will be forced to low during the tFL (Fash Time) F1 F2 F3 92mS 312mS 608mS Flash Time Selectable on the Keyboard
KS58550
UNIVERSAL 10 MEMORY DIALER
* RD/P KEY If press this key first after off - hook, it will operate as a redial key, otherwise it will operate as a pause key. * HFI Hands-Free dialing input. Hands-Free dialing output is controlled on the keyboard (HFl) * HDI Hold function input. Hold function is controlled on the keyboard (HDl). The output will control the melody enable.
KEYBOARD AND SWITCHES OPERATION
* SYMBOL DEFINITION DP = PULSE DATA : 0,1,2,3,4,5,6,7,8,9 Dt = TONE DATA : 0,1,2,3,4,5,6,7,8,9,T,# Dg = STORE DATA : 0,1,2,3,4,5,6,7,8,9, T,# Dn = INDIRECT MEMORY LOCATION : 0,1,2,3,4,5,6,7,8,9 REC = RECALL LOC = LOCATION ZiZiZi = Conversation Mode OFF = OFF-HOOK ON = ON-HOOK = lNPUT LEVEL LOW TO HIGH = INPUT LEVEL HIGH TO LOW * OPERATION MANUAL - NORMAL DIALING IN PULSE MODE OFF-HOOK : DP, - , DP, : ZiZiZi : ON-HOOK - NORMAL DIALING IN TONE MODE OFF-HOOK : Dt, - , Dt, : ZiZiZi : ON-HOOK - NORMAL DIALING FROM PULSE TO TONE VIA T/T KEY OFF-HOOK : Dp, - , Dp, T/T, Dt, : ZiZiZi : ON-HOOK - NORMAL DIALING FROM PULSE TO TONE VIA MDS/DRS SWITCH OFF-HOOK : Dp, - , Dp, MDS/DRS, ,Dt, - , Dt, : ZiZiZi : ON-HOOK - REDIAL OFF-HOOK : RD/P : ZiZiZi : ON-HOOK (if the dialing digit exceeds 32 digits, the redialing operation will be inhibited) - REPERTORY DIALING FOR ONE MEMORY OFF-HOOK : R/L, Dm, : ZiZiZi : ON-HOOK
KS58550
UNIVERSAL 10 MEMORY DIALER
- REPERTORY DIALING FOR CASCADED MEMORY OFF-HOOK : R/L, Dm, : ZiZiZi : ON-HOOK (The cascade 32 digits dialing are available) - NORMAL DIALING AFTER REDIALING OFF-HOOK : RD/P, Dn, ----, Dn, : ZiZiZi : ON-HOOK - NORMAL DIALING AFTER REPERTORY DIALING OFF-HOOK : R/L, Dm, Dn ----. Dn, : ZiZiZi : ON-HOOK - REPERTORY DIALING AFTER NORMAL DIALING OFF-HOOK : Dn, ----, Dn, R/L, Dm, : ZiZiZi : ON-HOOK - REPERTORY DIALING AFTER REDIALING OFF-HOOK : RD/P, R/L, Dm, : ZiZiZi : ON-HOOK - STORE FOR ONE MEMORY OFF-HOOK / ON, ST, Dn, ----, Dn, R/L, Dm, : ON-HOOK - STORE FOR CASCADE MEMORY OFF-HOOK / ON, ST, Dn,-, Dn, R/L, Dm, ST, Dn, -, Dn, R/L, Dm : ON-HOOK - HANDS FREE DIAL ON-HOOK : HFl, D1, D2,-, Dn, HFl, RD - HOLD FUNCTION Melody output enable/disable function.
TRUTH TABLE OF HANDS FREE INPUT & HOLD FUNCTION
NO 1 2 3 4 5 6 7 8 9 10 11 12 13 CURRENT STATE HOOK STATE ON/OFF HOOK ON HOOK OFF HOOK ON HOOK OFF HOOK OFF HOOK OFF HOOK ON HOOK ON HOOK ON HOOK OFF HOOK OFF HOOK ON/OFF HOOK HFO L H H X X L H L H H X X X HDO L L L X H L L X L H L H H INPUT HFI KEY IN HFI KEY IN HFI KEY IN OFF HOOK ON HOOK ON HOOK ON HOOK HDI KEY IN HDI KEY IN HDI KEY IN HDI KEY IN HDI KEY IN HDI KEY IN NEXT STATE HFO H L L L P L H L H H P P P HDO L L L L P L L P H L H L H DIALING YES NO YES YES MELODY ON NO YES NO MELODY ON YES MELODY ON YES MELODY ON
* Comment : X : Don' Care t P : Previous State
KS58550
TONE GENERATOR
UNIVERSAL 10 MEMORY DIALER
The device will be designed 15 Level, 30 Segment. The COLUMN TONE is Pre-emphasized 2 dB than the ROW TONE. In order to generate a single tone, push the same COLUMN or ROW keys more than 2 Keys at the same time.
TONE FREQUENCY INPUT ROW1 ROW2 ROW3 ROW4 COLUMN1 COLUMN2 COLUMN3 SPECIFIED 697 770 852 941 1209 1336 1477 ACTUAL 699.1 766.2 845.4 948.0 1215.9 1331.7 1471.9 %ERROR + 0.31 - 0.49 - 0.54 + 0.74 + 0.57 - 0.33 - 0.35
KS58550
TIMING DIAGRAM
1) PULSE MODE
UNIVERSAL 10 MEMORY DIALER
HS
KEY INPUT
1
2
F
PD
tKD KIT
tKIT
tM DP tPDPA XMUTE tB tPMO tFL tPMO tPIDP
2) TONE MODE
HS
KEY INPUT
1
P
3
PD
tPA XMUTE
TONE tTD
tTIDP
KS58550
3) PULSE TO TONE DIALING
UNIVERSAL 10 MEMORY DIALER
HS
KEY INPUT
1
2
3
4
MDS/DRS KIT
DP XMUTE
tPTPA
TONE
3
4
4) HANDS-FREE DIALING & HOLD FUNCTION
HS XMUTE HDI INPUT
HDO
KEY INPUT
1
2
5
1
DP
HDI INPUT
HDO
2M R1 A1156 Q1 RING 150K R2 BRIDGE-D + C9 220
R20 6.2K
KS58550
TIP
R24 620 R25 5.1K T1 Z-1 15V
D2 C5 470 IC2 22 D1 Z-2 7V
APPLICATION CIRCUIT
R26 10K C8 104
R17 330
+
SW1
IC4 16 Vcc VL CI 1(2500V) CO
R12 470K
HFO R4 300K R3 470K C1
1 2
R21 150 R22 43
D3 R18 100K
1 2 3 4
+
+
3 16 7 SW2 Q2 C945 C4 104 R6 470K 8 9 10 11 R7 2.2K D4 R36 330 R35 33K BIAS MFI MUTE VR OCO KIT 7 R19 82K V DD HOLDO R16 47K R10 100K 6 C7 123 R15 5.1K R14 20K 5 15 14 Q4 C945 4
R23 15
C12 22
R13 470K
21 C4 R11 20 47K C3 19 18 C2 C1 17 DP 5 6 R5 1M
R5 R1 R2 R3 R4
+
C14 0.33 11 MIC MIC+ R38 390K 9 TOF GND MIC 100K R32 8 22 10 C16 104 C15 330 R39 3.3K R37 3.3K 12 CC
15 RXO 14 ROF C13 103 13 RXI
K A 5 8 0 4
R14 20K
VR 100K
K HS S 5 M/B MUTE 8 TONE 5 MODE GND 5 OCI 0
+
C10
C17 SW4 1 D5
+
R33 10K 5 GND C19 22 INT1 4 3 2 1 C21 4.7 RD/P
R34 51K
3 2 1
Q3 C1009Y
R8 6.8K
C12 104 R40 1K 6 OUT Mute 7 8 R41 560
+
KA8602B
ST R/L
KS58550
3 6 9 F3 F2 # F1 2 5 8 0 HDI 1 4 7 T/* HFI PIEZO 5 OUT OFC 4 R9 22K 6 AVA SWP 3 C3 104 7 R.C 8 TIP
+
C18 1000 C11331
+
+
KA2418B
GND RING 2 1
UNIVERSAL 10 MEMORY DIALER
R42 3K
C2 10 IC1

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