Z8FMC04100 ZILOG [Zilog, Inc.], Z8FMC04100 Datasheet - Page 62

• Manufacturer Part Number: Z8FMC04100
• Description: Z8 Encore-R Motor Control Flash MCUs
• Manufacturer: ZILOG [Zilog, Inc.]

40
Z8 Encore!
Product Specification
General-Purpose I/O
RESET
FIELD
ADDR
BITS
R/W
Port A-C Address Registers
®
Motor Control Flash MCUs
7
Table 15. Port A–C GPIO Address Registers (PxADDR)
Table 14. GPIO Port Registers and Subregisters
The Port A–C Address registers select the GPIO port functionality accessible through the
Port A–C Control registers. The Port A–C Address and Control registers combine to pro-
vide access to all GPIO port control. See Table 15.
Table 16 lists the Port Control subregisters that are accessible via the Port A–C Control
registers.
Port Register Mnemonic
PxADDR
PxCTL
PxIN
PxOUT
Port Subregister Mnemonic
PxDD
PxAF0
PxAF1
PxOC
PxHDE
PxSMRE
PxPUE
PxIRQES
IRQPSEL
6
5
P R E L I M I N A R Y
FD0H, FD4H, FD8H
Port Register Name
Port A–C Address Register—selects subregisters.
Port A–C Control Register—provides access to
subregisters.
Port A–C Input Data Register.
Port A–C Output Data Register.
Port Register Name
Data Direction
Alternate Function 0
Alternate Function 1—Ports A and B only.
Output Control (open-drain).
High Drive Enable.
Stop-Mode Recovery Source Enable.
Pull-Up Enable.
Interrupt Edge Select—Ports A and C only.
Interrupt Port Select—Port A only.
4
PADDR[7:0]
R/W
00H
3
2
1
PS024604-1005
0