Z86E3016PSG Datasheet, PDF (95/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
77
OPEN-DRAIN
P20 OE
SPI EN
P20
PIN
P20 OUT
P20 IN
or
SPI DI
OPEN-DRAIN
P27 OUT
SPI DO
P27 OE
SPI Active
Standard
SPI
Standard
SPI
R ≈ 500 KΩ
Autolatch
P27
PIN
SCON
P27 IN
D2
0 SOI D0 Enable
1 P27 OUT
*SPI must be enabled with D0
R ≈ 500 KΩ
Autolatch
Figure 41. Port 2 Configuration with Open-Drain Capability,
Autolatch, Schmitt-Trigger and SPI
UM001602-0904
I/O Ports