z8f083a ZiLOG Semiconductor, z8f083a Datasheet - Page 55

• Manufacturer Part Number: z8f083a
• Description: High-performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

GPIO Control Register Definitions
PS026308-1207
Four registers for each port provide access to GPIO control, input data, and output data.
Table 15
to provide access to subregisters for port configuration and control.
Table 15. GPIO Port Registers and Subregisters
Port Register Mnemonic
Port Sub-Register
Mnemonic
lists these port registers. Use the Port A–D address and control registers together
PxSMRE
PxADDR
PxAFS1
PxAFS2
PxOUT
PxHDE
PxPUE
PxCTL
PxDD
PxOC
PxAF
PxIN
Port Register Name
Port A–D address register
(Selects subregisters)
Port A–D control register
(Provides access to subregisters)
Port A–D input data register
Port A–D output data register
Port Register Name
Data direction
Alternate function
Output control (open-drain)
High drive enable
Stop Mode Recovery source enable
Pull-up enable
Alternate function set 1
Alternate function set 2
Z8 Encore!
General Purpose Input/Output
Product Specification
®
F083A Series
43