UPD75104A - 4-BIT SINGLE-CHIP MICROCOMPUTER

NEC

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Datasheet Details

Part number	UPD75104A
Manufacturer	NEC
File Size	460.35 KB
Description	4-BIT SINGLE-CHIP MICROCOMPUTER
Datasheet	UPD75104A_NEC.pdf

UPD75104A Product details

Description

µPD75108A is a 4-bit single-chip CMOS microcomputer having a data processing capability comparable to that of an 8-bit microcomputer.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,

Features

Internal memory.
Program memory (ROM) : 8064 × 8 bits (µ PD75108A) : 4096 × 8 bits (µ PD75104A).
Data memory (RAM) : 512 × 4 bits ( µPD75108A) : 320 × 4 bits ( µPD75104A).
Architecture “75X” 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.

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Published: Apr 16, 2005 |