z8f1601 ZiLOG Semiconductor, z8f1601 Datasheet - Page 55

• Manufacturer Part Number: z8f1601
• Description: Z8 Encore!? Microcontroller With Flash Memory And 10-bit A/d Converter
• Manufacturer: ZiLOG Semiconductor

Table 13. Port A-H GPIO Address Registers (PxADDR)
PS017609-0803
RESET
FIELD
ADDR
BITS
R/W
Port A-H Address Registers
7
Table 12. GPIO Port Registers and Sub-Registers
The Port A-H Address registers select the GPIO Port functionality accessible through the
Port A-H Control registers. The Port A-H Address and Control registers combine to pro-
vide access to all GPIO Port control (Table 13).
Port Sub-Register Mnemonic
Port Register Mnemonic
6
PxADDR
PxSMRE
PxOUT
PxHDE
PxCTL
PxDD
PxOC
PxAF
PxIN
FD0H, FD4H, FD8H, FDCH, FE0H, FE4H, FE8H, FECH
5
Port Register Name
Port A-H Address Register
(Selects sub-registers)
Port A-H Control Register
(Provides access to sub-registers)
Port A-H Input Data Register
Port A-H Output Data Register
Port Register Name
Data Direction
Alternate Function
Output Control (Open-Drain)
High Drive Enable
STOP Mode Recovery Source
Enable
4
PADDR[7:0]
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
R/W
00H
3
2
General-Purpose I/O
1
Z8 Encore!
0
®
37