COM81C17 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

COM81C17

Twenty Pin UART (TPUART)

SMSC -> Microchip 

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nCS

RS

nWR

DIN

t1

t3

t4

t2

t15

t5

nCS

RS

nRD

DOUT

FIGURE 3 – PROCESSOR TO TPUART WRITE CYCLE

t6

t8

t7

t9

valid data

t15

t10

FIGURE 4 – PROCESSOR FROM TPUART READ CYCLE

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