upd75212a Renesas Electronics Corporation., upd75212a Datasheet - Page 4

• Manufacturer Part Number: upd75212a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

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1. PIN CONFIGURATION (TOP VIEW) ......................................................................................................... 6
2. BLOCK DIAGRAM ...................................................................................................................................... 8
3. PIN FUNCTIONS ........................................................................................................................................ 9
4. MEMORY CONFIGURATION ................................................................................................................... 14
5. PERIPHERAL HARDWARE FUNCTIONS ................................................................................................. 17
6. INTERRUPT FUNCTIONS ......................................................................................................................... 28
7. STANDBY FUNCTIONS ............................................................................................................................ 30
8. RESET FUNCTIONS .................................................................................................................................. 31
9. INSTRUCTION SET ................................................................................................................................... 34
10. MASK OPTION SELECTION .................................................................................................................... 43
11. APPLICATION BLOCK DIAGRAM ............................................................................................................ 44
12. ELECTRICAL SPECIFICATIONS ............................................................................................................... 46
13. CHARACTERISTIC CURVES .................................................................................................................... 59
14. PACKAGE INFORMATION ....................................................................................................................... 63
3.1 PORT PINS ............................................................................................................................................................. 9
3.2 NON-PORT PINS .................................................................................................................................................. 10
3.3 PIN INPUT/OUTPUT CIRCUIT LIST .................................................................................................................... 11
3.4 UNUSED PINS TREATMENT .............................................................................................................................. 12
3.5 P00/INT4 PIN AND RESET PIN OPERATING PRECAUTIONS ......................................................................... 13
3.6 XT1, XT2 AND P50 PIN OPERATING PRECAUTIONS ..................................................................................... 13
5.1 PORTS .................................................................................................................................................................... 17
5.2 CLOCK GENERATOR ............................................................................................................................................ 18
5.3 BASIC INTERVAL TIMER ..................................................................................................................................... 19
5.4 WATCH TIMER ...................................................................................................................................................... 20
5.5 TIMER/EVENT COUNTER ................................................................................................................................... 21
5.6 TIMER/PULSE GENERATOR ............................................................................................................................... 22
5.7 SERIAL INTERFACE ............................................................................................................................................. 23
5.8 FIP CONTROLLER /DRIVER ................................................................................................................................ 25
5.9 POWER-ON FLAG (MASK OPTION) ................................................................................................................... 27
11.1 VCR TIMER TUNER ............................................................................................................................................. 44
11.2 CD PLAYER .......................................................................................................................................................... 45
11.3 ECR ....................................................................................................................................................................... 45
CONTENTS
PD75212A