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| Princeton Technology Corp. 16-Bit I/O Expander IC DESCRIPTION Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT8300 PT8300 is an I/O expander utilizing CMOS Technology providing 16 bits serial input-parallel output and 8 bits parallel input-serial output shift register function. 8 input pins or 16 output pins can be configured to a cascading or parallel structure. Reading of serial data during the parallel to serial data conversion is enabled by the built-in independent registers for serial input to parallel output and parallel input to serial output. Housed in 28 pins, SO Package, PT8300 provides 8 input or 16 output pins which can be configured into a cascading structure. Pin assignments and application circuits are optimized for easy PCB layout and cost saving benefits. FEATURES * * * * * * * * * * * CMOS Technology Low Power Consumption: Wide Operating Supply Voltage Range: VDD=3 to 5.5V Wide Operating Temperature Range: Ta=-20 to +75oC Reading of the Serial Data during Parallel to Serial Data Conversion 8 Output Pins or 8 Input/ Output Pins provided Schmitt Triggered Inputs (DI1,DI2,CLK,LATCH, /RESET,PULLUP) Parallel Data Inputs provided (P8 to P15) Open Drain with selectable pull up resistance ports provided (P8 to P15) Normal Output Ports provided (P0 to P7) Port Extension is supported APPLICATIONS * MCU Peripheral Device * Serial Bus System Data Communication PT 8300 v 1.0 1 Updated Oct. 2000 Princeton Technology Corp. 16-Bit I/O Expander IC PIN CONFIGURATION Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT8300 VSS /R E S E T CLK L AT C H P15 P14 P13 P12 P 11 P10 P9 P8 L AT C H O CLKO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VDD PULLUP D I1 DO2 P0 P1 P2 P3 P4 P5 P6 P7 D I2 DO1 PT 8300 v 1.0 2 Updated Oct. 2000 Princeton Technology Corp. 16-Bit I/O Expander IC APPLICATION CIRICUIT 1 Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT8300 5V P8 TO P15 VCC VSS /R E S E T P U L L U P D I1 CLK DO2 L AT C H P0 P15 P1 P14 P2 P13 P3 P12 P4 P 11 P5 P10 P6 P9 P7 P8 D I2 L AT C H O DO1 CLKO P0 TO P7 M CU PT 8300 v 1.0 3 Updated Oct. 2000 16-Bit I/O Expander IC APPLICATION CIRCUIT 2 PT 8300 v 1.0 5V VCC I/O PORT P0 O UT P UT P8 to P15 P15 P7 L AT CH CL K D I1 D O2 P7 L AT CH CL K D I1 DO2 O UT PU T P15 P 8 to P15 P0 to P7 P0 to P7 P0 V SS V CC P8 P T 8 30 0 P0 I/O PORT V SS P8 V CC 5V 5V I/O PORT VSS P8 P T 8 30 0 P T 83 0 0 P0 to P7 P7 P 8 to P15 O U TPU T P15 LATCH CL K DI1 DO 2 Princeton Technology Corp. 4 LAT CH O CL K O D O1 DI2 /RE SE T PU L L UP LAT CH O CLK O DO 1 D I2 /RE SE T PU L LU P LAT CH O CLK O DO 1 D I2 /RE SET PU LL U P M CU Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT8300 Updated Oct. 2000 |
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