SA9203 - Sames

SA9203 6/3 X 8 PORT EXPANDER

The SAMES SA9203/5 Port Expander is a SA9203 CMOS device suited to microprocessor based applications requiring input/output port expansion. The device interfaces very 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 simply to any microcontroller/micro60 PA 0 10 59 processor with a multiplexed address/data PA 1 11 58 PA 12 2 57 bus structure. PA 3 13 56 PA 4 14 55 T.

Features

n SA9203/5 6/3 X 8 PORT EXPANDER Six (SA9203) or three (SA9205) 8-Bit I/O Ports Each bit of one port independently programmable as input or output Five (SA9203) or two (SA9205) remaining ports can be individually configured as input or output. (Direction applicable to all 8 pins of each port.) One 8-Bit port programmable as either atched or transparent inputs Supports byte-wide and bit-wide I/O port addressing modes on all ports n Readback of all control and port registers Interfaces directly with multiplexed address and data bus microprocessors/ microcontrollers Internal address latch Sin.