KS57C21832 datasheet, microcontroller equivalent, Samsung semiconductor

Features and benefits

SUMMARY Memory
*
* 8,192 × 4-bit RAM (excluding LCD display RAM) 32,768 × 8-bit ROM
* 39 I/O Pins
*
* I/O: 35 pins Input only: 4 pins Interrupts
*.

Application

which require LCD functions. Up to 39 pins of the 100-pin QFP package can be dedicated to I/O. Eight vectored interrupts.

Description

Table 1-1. KS57C21832 Pin Descriptions Pin Name P0.0 P0.1 P0.2 P0.3 Pin Type I/O Description 4-bit I/O port. 1-bit and 4-bit read/write and test are possible. Individual pins are software configurable as input or output. Individual pins are software.

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