UPD754264 데이터 시트보기 (PDF) - NEC => Renesas Technology

부품명

상세내역

제조사

UPD754264

4-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD754264

CONTENTS

1. PIN CONFIGURATION (TOP VIEW) ................................................................................................... 5

2. BLOCK DIAGRAM ............................................................................................................................... 6

3. PIN FUNCTION .................................................................................................................................... 7

3.1 Port Pins ..................................................................................................................................... 7

3.2 Non-port Pins ............................................................................................................................. 8

3.3 Pin Input/Output Circuits .......................................................................................................... 9

3.4 Recommended Connection of Unused Pins ......................................................................... 10

4. SWITCHING FUNCTION BETWEEN Mk I MODE AND Mk II MODE ............................................... 11

4.1 Difference between Mk I and Mk II Modes ............................................................................. 11

4.2 Setting Method of Stack Bank Select Register (SBS) .......................................................... 12

5. MEMORY CONFIGURATION ............................................................................................................ 13

6. EEPROM ............................................................................................................................................ 16

7. PERIPHERAL HARDWARE FUNCTIONS ........................................................................................ 17

7.1 Digital Input/Output Ports ....................................................................................................... 17

7.2 Clock Generator ....................................................................................................................... 17

7.3 Basic Interval Timer/Watchdog Timer ................................................................................... 19

7.4 Timer Counter .......................................................................................................................... 20

7.5 A/D Converter ........................................................................................................................... 24

7.6 Bit Sequential Buffer ............................................................................................................... 25

8. INTERRUPT FUNCTION AND TEST FUNCTION ............................................................................. 26

9. STANDBY FUNCTION ....................................................................................................................... 28

10. RESET FUNCTION ............................................................................................................................ 29

10.1 Configuration and Operation Status of RESET Function .................................................... 29

10.2 Watchdog Flag (WDF), Key Return Flag (KRF) ..................................................................... 33

11. MASK OPTION .................................................................................................................................. 35

12. INSTRUCTION SETS ........................................................................................................................ 36

13. ELECTRICAL SPECIFICATIONS ..................................................................................................... 45

14. CHARACTERISTICS CURVES (REFERENCE VALUES) ................................................................ 55

15. PACKAGE DRAWINGS..................................................................................................................... 58

16. RECOMMENDED SOLDERING CONDITIONS................................................................................. 59

3

Share Link: