Cpu user manual, Serial input/output – Zilog Z86193 User Manual

Page 137

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Z8

®

CPU

User Manual

UM001604-0108

Serial Input/Output

130

Figure 121. SPI Clock/SPI Slave Select Output Configuration

SPI MSTR

PIN

P31

+

SPI EN

P34

SK IN

SPI MSTR

PIN

P35

SPI EN

REF

SS

0 P34, P35 Standard Output

1 P34, P35 Comparator Output

D0

P35 OUT

PCON

P32

REF

+

-

P34 OUT

-

SPI EN

SK OUT

MUX

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