ZiLOG Z8

Z8 Microcontrollers
ZiLOG I/O Ports
UM001601-0803 5-23
Figure 5-28. Port 2 Reset
1 1 1 1 1 1 1 1
(Write-Only)
1 = Input
Port 2 Mode
0 = Output
Port 2 Mode Register (P2M)
Register F6H
Figure 5-29. Port 3 Mode Reset
0 0 0 0 0 0 0 0
(Write-Only)
0 P31, P32 Digital Mode
1 P31, P32 Analog Mode
0 P32 = Input P35 = Output
1 P32 = DAV0/RDY0 P35 = RDY0/DAV0
0 Port 2 Open-Drain
1 Port 2 Push-Pull
00 P33 = Input P34 = Output
01 P33 = Input P34 = DM
Port 3 Mode Register (P3M)
Register F7H
10 P33 = Input P34 = DM
11 P33 = DAV1
/RDY1 P34 = RDY1/DAV1
0 P31 = Input P36 = Output
1 P32 = DAV2/
RDY2 P36 = RDY2/DAV2
0 P30 = Input P37 = Output
1 P30 = Serial In P37 = Serial Out
0 Parity OFF
1 Parity ON