ELM621 Datasheet Serial 3-bit Port

Manufacturer: ELM Electronics

Overview: ELM621 Serial Three Bit Port.

Datasheet Details

Part number	ELM621
Manufacturer	ELM Electronics
File Size	28.66 KB
Description	SERIAL 3-BIT PORT
Datasheet	ELM621_ELMElectronics.pdf

General Description

The ELM621 is a serially controlled, three bit parallel I/O port in an 8 pin package.

The high level of integration employed means that very few external components are required in order to construct a fully functional circuit with this IC.

The ELM621 offers several convenient

Key Features

that many users will appreciate. The provision of a 16 byte buffer allows commands to be chained and executed sequentially with one key stroke. The controllable pullup resistor on the bit 3 port pin is particularly helpful when interfacing to mechanical switches, while the ability to control character echo reduces overhead while operating under computer control. Naturally, individual as well as simultaneous read, set, clear and toggle commands are also supported. All communications with this dev.

ELM621 Distributor

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