UPD17227, UPD - 4-BIT SINGLE-CHIP MICROCONTROLLER

NEC

The UPD17227 by NEC is a 4-BIT SINGLE-CHIP MICROCONTROLLER. Below is the official datasheet preview.

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UPD17227 4-BIT SINGLE-CHIP MICROCONTROLLER by NEC - Datasheet Preview — Official preview page of the **UPD17227** 4-BIT SINGLE-CHIP MICROCONTROLLER datasheet (NEC).

Datasheet Details

Part number	UPD17227, UPD
Manufacturer	NEC
File Size	393.41 KB
Description	4-BIT SINGLE-CHIP MICROCONTROLLER
Datasheet	UPD-1722.pdf
Note	This datasheet PDF includes multiple part numbers: UPD17227, UPD. Please refer to the document for exact specifications by model.
Additional preview pages of the UPD17227 datasheet.

UPD17227 Product details

Description

µPD17225, 17226, 17227, 17228 (hereafter called µPD17225 subseries) are 4-bit single-chip microcontrollers for small general-purpose infrared remote control transmitters.It employs a 17K architecture of general-purpose register type devices for the CPU, and can directly execute operations between memories instead of the conventional method of executing operations through the accumulator.Moreover, all the instructions are 16-bit 1-word instructions which can be programmed efficiently.In additi

Features

Infrared remote controller carrier generator circuit (REM output).
17K architecture: General-purpose register system.
Program memory (ROM), Data memory (RAM) µPD17225 Program memory (ROM) 4 K bytes (2048 × 16) Data memory (RAM) µPD17226 8 K bytes (4096 × 16) µPD17227 12 K bytes (6144 × 16) µPD17228 16 K bytes (8192 × 16) 111 × 4 bits 223 × 4 bits.
8-bit timer : 1 channel.
Basic internal timer/Watchdog timer : 1 channel (WDOUT output).

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Published: Apr 17, 2005 |