Z86E3016PSG Datasheet, PDF (97/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
79
Register F7h
Port 3 Mode Register
(Write-Only)
D7 D6 D5 D4 D3 D2 D1 D0
Port 2 Handshaking
0 P31 = Input (T_IN)
P36 = Output (T_OUT)
1 P31 = DAV2/RDY2 P36 = RDY2/DAV2
Figure 42. Port 2 Handshake Configuration
P20
Port 2 (I/O)
P27
Handshake Controls
DAV2 and RDY2
(P31 and P36)
Figure 43. Port 2 Handshaking
UM001602-0904
I/O Ports