z8f1621 ZiLOG Semiconductor, z8f1621 Datasheet - Page 71

• Manufacturer Part Number: z8f1621
• Description: High Performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 14. Port A–H GPIO Address Registers (PxADDR)
PS019921-0308
BITS
FIELD
RESET
R/W
ADDR
Port A–H Address Registers
7
Table 13. 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
Port Register Mnemonic
PxADDR
PxCTL
PxIN
PxOUT
Port Sub-Register Mnemonic Port Register Name
PxDD
PxAF
PxOC
PxDD
PxSMRE
6
FD0H, FD4H, FD8H, FDCH, FE0H, FE4H, FE8H, FECH
5
Port Register Name
Port A
(Selects sub-registers)
Port A
(Provides access to sub-registers)
Port A
Port A
Data Direction
Alternate Function
Output Control (Open-Drain)
High Drive Enable
Stop Mode Recovery Source
Enable
4
PADDR[7:0]
(Table
–
–
–
–
R/W
00H
H Address Register
H Control Register
H Input Data Register
H Output Data Register
14).
3
Z8 Encore! XP
2
Product Specification
General-Purpose I/O
1
®
F64XX Series
0
57