UPD754202GS-XXX-GJG 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD754202GS-XXX-GJG

4-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD754202, 754202(A)

CONTENTS

1. PIN CONFIGURATION (Top View) .................................................................................................... 6

2. BLOCK DIAGRAM ............................................................................................................................... 7

3. PIN FUNCTION .................................................................................................................................... 8

3.1 Port Pins ...................................................................................................................................... 8

3.2 Non-port Pins .............................................................................................................................. 9

3.3 Pin Input/Output Circuits ......................................................................................................... 10

3.4 Recommended Connection of Unused Pins .......................................................................... 11

4. SWITCHING FUNCTION BETWEEN Mk I MODE AND Mk II MODE ....................................... 12

4.1 Differences between Mk I Mode and Mk II Mode .................................................................... 12

4.2 Setting Method of Stack Bank Select Register (SBS) ........................................................... 13

5. MEMORY CONFIGURATION ............................................................................................................14

6. PERIPHERAL HARDWARE FUNCTION ......................................................................................... 17

6.1 Digital I/O Port ........................................................................................................................... 17

6.2 Clock Generator ........................................................................................................................17

6.3 Basic Interval Timer/Watchdog Timer ..................................................................................... 19

6.4 Timer Counter ........................................................................................................................... 20

6.5 Bit Sequential Buffer ................................................................................................................24

7. INTERRUPT FUNCTION AND TEST FUNCTION ........................................................................... 25

8. STANDBY FUNCTION .......................................................................................................................27

9. RESET FUNCTION ............................................................................................................................28

9.1 Configuration and Operation Status of Reset Function ........................................................ 28

9.2 Watchdog Flag (WDF), Key Return Flag (KRF) ...................................................................... 32

10. MASK OPTION ..................................................................................................................................34

11. INSTRUCTION SETS ......................................................................................................................... 35

12. ELECTRICAL SPECIFICATIONS ...................................................................................................... 44

13. CHARACTERISTIC CURVES (REFERENCE VALUES) ................................................................ 53

14. PACKAGE DRAWINGS ......................................................................................................................55

15. RECOMMENDED SOLDERING CONDITIONS .................................................................................. 57

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