z8f0822 ZiLOG Semiconductor, z8f0822 Datasheet - Page 67

• Manufacturer Part Number: z8f0822
• Description: High Performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 21. Port A–C Pull-Up Enable Sub-Registers
Table 22. Port A–C Input Data Registers (PxIN)
PS022517-0508
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
Port A–C Input Data Registers
7
PPUE7
PIN7
If 06H in Port A–C Address Register, accessible through the Port A–C Control Register
7
1 = The port pin is configured as a Stop Mode Recovery source. Any logic transition
Port A–C Pull-up Enable Sub-Registers
The Port A–C Pull-Up Enable sub-register
Control Register by writing
Port A–C Pull-Up Enable sub-registers enables a weak internal resistive pull-up on the
specified Port pins.
PPUE[7:0]—Port Pull-up Enabled
0 = The weak pull-up on the Port pin is disabled.
1 = The weak pull-up on the Port pin is enabled.
Reading from the Port A–C Input Data Registers
from the corresponding port pins. The Port A–C Input Data Registers are Read-only.
PIN[7:0]—Port Input Data
Sampled data from the corresponding port pin input.
0 = Input data is logical 0 (Low).
1 = Input data is logical 1 (High).
on this pin during STOP mode initiates Stop Mode Recovery.
6
PPUE6
PIN6
6
5
PPUE5
PIN5
5
06H
4
FD2H, FD6H, FDAH
PPUE4
to the Port A–C Address Register. Setting the bits in the
PIN4
4
R/W
R
X
0
3
(Table
PPUE3
PIN3
3
(Table
21) is accessed through the Port A–C
2
Z8 Encore! XP
22) returns the sampled values
PPUE2
PIN2
2
General-Purpose Input/Output
Product Specification
1
PPUE1
PIN1
1
®
F0822 Series
0
PPUE0
PIN0
0
54