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80C554 80C51 8-bit microcontroller

80C554 Description

INTEGRATED CIRCUITS 80C554/83C554/87C554 80C51 8-bit microcontroller * 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, .
This data sheet describes the 6 clock version of the 8xC554.

80C554 Features

* 83C554
* 16k bytes ROM
* 80C554
* ROMless version
* 87C554
* 16k bytes EPROM The 87C554 contains a 16k × 8 non-volatile EPROM, a 512 × 8 read/write data memory, five 8-bit I/O ports, one 8-bit input port, two 16-bit timer/event counters (identical to the

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