Typewriter User Manual

MOTOROLA MC68340 USER’S MANUAL 7- 49

* MODE REGISTER 2

MOVE.B #$07,MR2A(A0) Normal, 1 stop bit

* SET UP BAUD RATE FOR PORT IN CLOCK SELECT REGISTER

MOVE.B #$BB,CSRA(A0) Set 9600 baud for RX and TX

* SET RTSA ACTIVE

MOVE.B #$01,OP_BS(A0) set

RTSA/OP0 output

* ENABLE PORT

MOVE.B #$45,CRA(A0) Reset error status, enable RX & TX

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END

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cale Semiconductor,

Freescale Semiconductor, Inc.

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