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Part Number: UPD75104
Description: UPD75108 is a 4-bit single-chip microcomputer integrating timer/event counters, serial interface, and vector interrupt ...
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UPD75104
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General Description
UPD75104 General Description
UPD75108 is a 4-bit single-chip microcomputer integrating timer/event counters, serial interface, and vector interrupt function, in addition to a CPU, ROM, RAM, and I/O ports, on a single chip. Operating at high speeds,the microcomputer allows data to be manipulated in units of 1, 4, or 8 bits. In addition, various bit manipulation instructions are provided to reinforce I/O manipulation capability. Equipped with I/Os for interfacing with peripheral circuits operating on a different supply voltage, outputs that can directly drive LEDs, and analog inputs, PD75108 is suitable for controlling such systems as VTRs, acoustic products, button telephones, radio communications equipment, and printers. A pin-compatible EPROM model is also available for evaluation of system development and small-scale production of application systems.
Detailed functions are described in the following user's manual. Be sure to read it for designing.UPD751XX Series User's Manual: IEM-922
UPD75104 Features
* Internal memory
* Program memory (ROM)
: 8068 * 8 bits (UPD75108)
: 6016 * 8 bits (UPD75106)
: 4096 * 8 bits (UPD75104)
* Data memory (RAM)
: 512 * 4 bits (UPD75108)
: 320 * 4 bits (UPD75106, 75104)
* New architecture "75X series" rivaling 8-bit microcomputers
* 43 systematically organized instructions
* A wealth of bit manipulation instructions
* 8-bit data transfer, compare, operation, increment, and decrement instructions
* 1-byte relative branch instructions
* GETI instruction executing 2-/3-byte instruction with one byte
* High speed. Minimum instruction execution time: 0.95 s (at 4.19 MHz), 5 V
* Power-saving, instruction time change function: 0.95 s/1.91 s/15.3 s (at 4.19 MHz)
* I/O port pins as many as 58
* Three channels of 8-bit timers
* 8-bit serial interface
* Multiplexed vector interrupt function
* Model with PROM is available: UPD75P108B (One-time PROM, EPROM)
* Program memory (ROM)
: 8068 * 8 bits (UPD75108)
: 6016 * 8 bits (UPD75106)
: 4096 * 8 bits (UPD75104)
* Data memory (RAM)
: 512 * 4 bits (UPD75108)
: 320 * 4 bits (UPD75106, 75104)
* New architecture "75X series" rivaling 8-bit microcomputers
* 43 systematically organized instructions
* A wealth of bit manipulation instructions
* 8-bit data transfer, compare, operation, increment, and decrement instructions
* 1-byte relative branch instructions
* GETI instruction executing 2-/3-byte instruction with one byte
* High speed. Minimum instruction execution time: 0.95 s (at 4.19 MHz), 5 V
* Power-saving, instruction time change function: 0.95 s/1.91 s/15.3 s (at 4.19 MHz)
* I/O port pins as many as 58
* Three channels of 8-bit timers
* 8-bit serial interface
* Multiplexed vector interrupt function
* Model with PROM is available: UPD75P108B (One-time PROM, EPROM)
UPD75104 Connection Diagram
UPD75104AGC
PDF/DataSheet Download
- Datasheet: UPD75104AGC
- File Size: 355228 KB
- Manufacturer: NEC [NEC]
- Click here to Download
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