UPD75208 NEC, UPD75208 Datasheet - Page 3

• Manufacturer Part Number: UPD75208
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

1.
2.
3.
4.
5.
6.
7.
8.
9.
10. MASK OPTION SELECTION .................................................................................................. 35
11. APPLICATION BLOCK DIAGRAM ......................................................................................... 36
PIN CONFIGURATION (TOP VIEW) ....................................................................................... 5
BLOCK DIAGRAM .................................................................................................................... 6
PIN FUNCTIONS ...................................................................................................................... 7
3.1
3.2
3.3
3.4
3.5
3.6
ARCHITECTURE AND MEMORY MAP OF THE PD75208 ............................................... 12
PERIPHERAL HARDWARE FUNCTIONS .............................................................................. 14
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
INTERRUPT FUNCTIONS ...................................................................................................... 23
STANDBY FUNCTIONS ......................................................................................................... 25
RESET FUNCTIONS ............................................................................................................... 25
INSTRUCTION SET ................................................................................................................ 26
11.1
11.2
11.3
PORT PINS .................................................................................................................................... 7
NON-PORT PINS .......................................................................................................................... 8
PIN INPUT/OUTPUT CIRCUIT LIST ............................................................................................ 9
UNUSED PINS TREATMENT .................................................................................................... 10
P00/INT4 PIN AND RESET PIN OPERATING PRECAUTIONS ............................................... 11
XT1, XT2 AND P50 PIN OPERATING PRECAUTIONS ........................................................... 11
PORTS .......................................................................................................................................... 14
CLOCK GENERATOR .................................................................................................................. 15
BASIC INTERVAL TIMER ........................................................................................................... 16
WATCH TIMER .......................................................................................................................... 17
TIMER/EVENT COUNTER ......................................................................................................... 18
TIMER/PULSE GENERATOR ..................................................................................................... 19
SERIAL INTERFACE ................................................................................................................... 20
FIP CONTROLLER/DRIVER ........................................................................................................ 22
POWER-ON FLAG (MASK OPTION) ......................................................................................... 23
VCR TIMER TUNER .................................................................................................................... 36
COMPACT DISK PLAYER .......................................................................................................... 37
ECR ............................................................................................................................................... 37
CONTENTS
PD75208
3