Z8FMC16100 Datasheet, PDF (68/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

Z8 Encore!^® Motor Control Flash MCUs
Product Specification
46
BITS
FIELD
RESET
R/W
ADDR
Table 23. Port A–C Pull-Up Enable Sub-Registers
7
PPUE7
6
PPUE6
5
PPUE5
4
PPUE4
3
PPUE3
2
PPUE2
1
PPUE1
0
PPUE0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
If 06H in Port A–C Address Register, accessible through the Port A–C Control Register
Bit
Position
[7:0]
PPUE
Value
(H)
0
1
Description
Port Pull-Up Enable
The weak pull-up on the Port pin is disabled.
The weak pull-up on the Port pin is enabled.
Port A Interrupt Edge Select Subregister
The Interrupt Edge Select (IRQES) Subregister, shown in Table 24, determines whether an
interrupt is generated for the rising edge or falling edge on the selected GPIO Port A input
pin.
Table 24. Interrupt Edge Select Sub-Register (IRQES)
BITS
FIELD
RESET
R/W
ADDR
7
6
5
4
3
2
1
0
Reserved
IES3
IES2
IES1
IES0
0
0
0
0
0
0
0
0
R
R
R
R
R/W
R/W
R/W
R/W
If 08H in Port A Address Register, accessible through the Port A and Port C Control Register
Bit
Position
[3:0]
IESx
Value
(H)
0
1
Description
Interrupt Edge Select x
An interrupt request is generated on the falling edge of the PAx input.
An interrupt request is generated on the rising edge of the PAx input,
where x indicates the specific GPIO Port pin number (0 through 7).
General-Purpose I/O
PRELIMINARY
PS024604-1005