UPD17201AGF View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD17201AGF

4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS

NEC => Renesas Technology 

TABLE OF CONTENTS

µPD17201A, 17207

1. PIN CONFIGURATION (TOP VIEW) ............................................................................................. 6

2. BLOCK DIAGRAM ......................................................................................................................... 8

3. PINS FUNCTIONS .......................................................................................................................... 9

3.1 PIN IDENTIFICATION ........................................................................................................................... 9

3.2 EQUIVALENT CIRCUITS OF PINS ..................................................................................................... 11

3.3 PROCESSING OF UNUSED PINS ...................................................................................................... 12

3.4 NOTES ON USING RESET AND INT PINS ........................................................................................ 13

4. MEMORY SPACE ........................................................................................................................... 14

4.1 PROGRAM COUNTER (PC) ................................................................................................................ 14

4.2 PROGRAM MEMORY (ROM) .............................................................................................................. 14

4.3 STACK ................................................................................................................................................... 15

4.4 DATA MEMORY (RAM) ........................................................................................................................ 17

4.5 REGISTER FILE (RF) ........................................................................................................................... 25

5. PORTS ............................................................................................................................................ 28

5.1 PORT 0A ............................................................................................................................................... 28

5.2 PORT 0B ............................................................................................................................................... 28

5.3 PORT 0C ............................................................................................................................................... 28

5.4 PORT 0D ............................................................................................................................................... 28

5.5 PORT 1A ............................................................................................................................................... 29

5.6 INT PIN .................................................................................................................................................. 29

5.7 PORT CONTROL REGISTER .............................................................................................................. 30

6. CLOCK GENERATOR CIRCUIT .................................................................................................... 33

6.1 SWITCHING SYSTEM CLOCK ............................................................................................................ 34

6.2 MAIN CLOCK OSCILLATION CONTROL FUNCTION ....................................................................... 34

7. 8-BIT TIMER AND REMOTE CONTROLLER CARRIER GENERATOR CIRCUIT .................... 35

7.1 CONFIGURATION OF THE 8-BIT TIMER (WITH MODULO FUNCTION) ......................................... 35

7.2 FUNCTION OF THE 8-BIT TIMER (WITH MODULO FUNCTION) .................................................... 37

7.3 REMOTE CONTROLLER CARRIER GENERATOR ........................................................................... 38

8. WATCH TIMER/WATCHDOG TIMER ............................................................................................ 43

8.1 CONFIGURATION OF WATCH TIMER/WATCHDOG TIMER ............................................................ 43

8.2 FUNCTION OF WATCH TIMER/WATCHDOG TIMER ........................................................................ 44

8.3 WATCHDOG TIMER OPERATION TIMING ........................................................................................ 45

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