SH67K91 - 20K 4-Bit Micro Controller

Sino Wealth Microelectronic

General Description

SH67K91 is a single-chip 4-bit micro-controller.

This device integrates a SH6610C CPU core, RAM, ROM, Timer, LCD driver, I/O port, 4/8 channels chord and DAC.

This chip contains a built-in dual-oscillator to enhance the total chip performance.

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SH67K91 20k 4-bit micro controller by Sino Wealth Microelectronic - Datasheet Preview

Datasheet Details

Part number	SH67K91
Manufacturer	Sino Wealth Microelectronic
File Size	743.07 KB
Description	20K 4-Bit Micro Controller
Datasheet	SH67K91 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com SH67K91 20K 4-bit Micro-controller with LCD Driver, 4/8 channels Chord Feature - 32 Seg X 6 Com (1/6 duty, 1/3 or 1/4 Bias) SH6610C-Based Single-Chip 4-bit Micro-controller - 32 Seg X 8 Com (1/8 duty, 1/3 or 1/4 Bias) ROM: 20K X 16 bits 12 Segments Used as Scan Output RAM: 1437 X 4 bits 4/8 Channels Chords - 48 bytes System Control Register - 1325 bytes Data Memory 9 bits DAC - 64 bytes LCD RAM Oscillator (Code Option) Operation Voltage: 2.4V - 5.5V OSC - Crystal Oscillator 32.768kHz 16 CMOS Bi-directional I/O pads (8 shared with - RC Oscillator: 262kHz Segment) OSCX 4-Level Stacks (include interrupts) - Ceramic Resonator 455kHz - 4MHz One 8-bit Auto Re-load Timer/Counter - RC Oscillator 4MHz 8-bit Base Timer Instruction Cycle Time Powerful Interrupt Sources 122.