Cpu user manual, Serial input/output, Figure 120. spi data in/out configuration – Zilog Z86193 User Manual
Page 136
Z8
®
CPU
User Manual
UM001604-0108
Serial Input/Output
129
Figure 120. SPI Data In/Out Configuration
P27 OUT
PIN
SPI Active
P27 IN
0 SOI D0 Enable
OPEN-DRAIN
Autolatch
P27
P20 OE
PIN
P20 IN
OPEN-DRAIN
R
≈ 500 KΩ
Autolatch
P20
SPI EN
SPI DO
P27 OE
SPI
SPI DO
SPI
Standard
Standard
1 P27 OUT
*SPI must be enabled with D0
D2
SCON
or
SPI DI
R
≈ 500 KΩ
This manual is related to the following products:
- Z86233 Z86243 Z86733 Z86743 Z86C02 Z86C04 Z86C08 Z86C15 Z86C21 Z86C30 Z86C31 Z86C33 Z86C36 Z86C40 Z86C43 Z86C61 Z86C62 Z86C63 Z86C65 Z86C83 Z86C90 Z86C91 Z86C93 Z86C96 Z86E02 Z86E03 Z86E04 Z86E06 Z86E07 Z86E08 Z86E15 Z86E21 Z86E30 Z86E31 Z86E33 Z86E34 Z86E40 Z86E43 Z86E44 Z86E61 Z86E63 Z86E83 Z86K15 Z86L02 Z86L04 Z86L08 Z86L16 Z8E000 Z8E001 Z8PE003