upd75112 Renesas Electronics Corporation., upd75112 Datasheet - Page 3

• Manufacturer Part Number: upd75112
• Description: 4-bit Single Chip-microcomputer
• Manufacturer: Renesas Electronics Corporation.

1. Pin Configuration (Top View)............................................................................................... 5
2. Block Diagram......................................................................................................................... 7
3. Pin Functions......................................................................................................................... 8
4. Memory Configuration............................................................................................................. 12
5. Peripheral Hardware Functions.............................................................................................. 15
6. Interrupt Functions.................................................................................................................. 24
7. Standby Functions ............................................................................................................... 26
8. Reset Functions..................................................................................................................... 27
9. Instruction Set....................................................................................................................... 30
10. Application Block Diagrams............................................................................................... ... 38
11. Mask Option Selection.......................................................................................................... 43
12. Electrical Specifications........................................................................................................ 44
13. Characteristic Curves........................................................................................................... 55
3.1
3.2
3.3
3.4
3.5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
10.1 VCR System Computer Applications ...................................................................................................... 38
10.2 VCR Camera Applications ........................................................................................................................ 39
10.3 Compact Disk Player ................................................................................................................................. 39
10.4 Vehicle-Mounted Applications (Trip Computer) .................................................................................... 40
10.5 Push-Button Telephone ............................................................................................................................ 40
10.6 Display Pager ..............................................................................................................................................41
10.7 PPC .............................................................................................................................................................. 41
10.8 Printer Controller ...................................................................................................................................... 42
Port Pins........................................................................................................................................................ 8
Non-Port Pins............................................................................................................................................... 9
Pin Input/Output Circuits............................................................................................................................ 10
Recommended Connection of Unused Pins............................................................................................. 11
Caution Relating to Use of P00/INT4 Pin and RESET Pin........................................................................ 11
Digital Input/Output Port......................................................................................................................... 15
Clock Generator......................................................................................................................................... 15
Clock Output Circuit.................................................................................................................................. 17
Basic Interval Timer.................................................................................................................................... 17
Timer/Event Counter................................................................................................................................. 18
Serial Interface............................................................................................................................................ 20
Programmable Threshold Port (Analog Input Port)............................................................................... 22
Bit Sequential Buffer................................................................................................................................... 23
Power-On Flag (Mask Option).................................................................................................................... 23
CONTENTS
PD75112, 75116
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