Z8FMC04100 ZILOG [Zilog, Inc.], Z8FMC04100 Datasheet - Page 63

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

PS024604-1005
RESET
FIELD
ADDR
BITS
R/W
Port A–C Control Registers
7
Table 17. Port A–C Control Registers (PxCTL)
Table 16. Port Control Subregisters by Port Address
The Port A–C Control registers set the GPIO port operation. The value in the correspond-
ing Port A–C Address register determines the control subregisters accessible using the
Port A–C Control registers, shown in Table 17. The Port Control registers provide access
to all subregisters that configure GPIO port operation.
Port A–C Data Direction Subregisters
The Port A–C Data Direction subregisters are accessed through the Port A–C Control reg-
isters by writing
Port
Address
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah–FFh
6
Port Control Subregisters
No function; provides some protection against accidental port
reconfiguration.
Data direction.
Alternate Function 0
Output Control (open-drain).
High Drive Enable.
Stop-mode recovery source enable.
Pull-up enable.
Alternate Function 1—ports A and B only.
Interrupt Edge Select - Port A and Port C only
Port Interrupt Select Register - Port A only
No Function
01h
to the Port A–C Address registers. See Table 18.
5
P R E L I M I N A R Y
FD1H, FD5H, FD9H
4
PCTL
R/W
00H
3
Z8FMC16100 Series Flash MCU
2
Product Specification
Port A–C Control Registers
1
0
41