UPD7566A

The UPD7566A is 4-BIT SINGLE-CHIP MICROCOMPUTER designed by NEC.

Product Overview

NEC

Part number	UPD7566A
Manufacturer	NEC
File Size	471.94 KB
Description	4-BIT SINGLE-CHIP MICROCOMPUTER
Datasheet	UPD7566A_NEC.pdf
Additional preview pages of the UPD7566A datasheet.

The µPD7566A is a product of the µPD7554, 7564 sub-series which is a low-end, low-cost version of the µPD7500 series microcomputers.

45 instructions (subset of the µPD7500H SET B).
Instruction cycle: 2.86 microseconds (700 kHz, at 5V) with ceramic oscillator.
Program memory (ROM): 1,024 words x 8 bits.
Data memory (RAM): 64 words x 4 bits.
Test sources: 1 external and 1 internal.
8-bit timer/event counter.
19 I/O lines (total output current: 100 mA) . Five pins can be used to directly drive triacs and LEDS : P80 to P82, P90 to P91 . Eight pins can be used to dire.

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Published: Apr 16, 2005 |