z86e63 ZiLOG Semiconductor, z86e63 Datasheet - Page 49

• Manufacturer Part Number: z86e63
• Description: Cmos Z8 16k/32k Eprom Microcontroller
• Manufacturer: ZiLOG Semiconductor

PS014401-1001
Figure 34. Port 2 Mode Register (F6
Figure 35. Port 3 Mode Register (F7
R247 P3M
D7
R246 P2M
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
D1
D1
H
H
D0
: Write Only)
: Write Only)
CMOS Z8 16K/32K EPROM Microcontroller
D0
0 Port 2 Pull-Ups Open Drain
1 Port 3 Pull-Ups Active
Reserved (Must be 0)
0 P32 - Input
1 P32 = DAV0/RDY0
00 P33 = Input
01 P33 = Input
10 P34 = DM
11 P33 = DAV1/RDY1
0 P31 = Input (TIN)
1 P31 = DAV2/RDY2
0 P30 = Input
1 P30 = Serial In
0 Parity Off
1 Parity On
P35 = Output
P35 = RDY0/DAV0
P36 = Output (TOUT)
P36 = RDY2/DAV2
P37 = Output
P37 = Serial Out
P20 - P27 I/O Definition
P34 = Output
P34 = RDY1/DAV1
0 Defines Bit as Output
1 Defines Bit as Input
Z86E61/E63
45