z8f1621 ZiLOG Semiconductor, z8f1621 Datasheet - Page 54

• Manufacturer Part Number: z8f1621
• Description: High Performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Interrupt Port Select
IRQPS (FCEH - Read/Write)
Interrupt Control
IRQCTL (FCFH - Read/Write)
Port A Address
PAADDR (FD0H - Read/Write)
Port A Control
PACTL (FD1H - Read/Write)
Port A Input Data
PAIN (FD2H - Read Only)
Port A Output Data
PAOUT (FD3H - Read/Write)
PS019921-0308
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Port A or D Port Pin Select [7:0]
0 = Port A pin is the interrupt source
1 = Port D pin is the interrupt source
Reserved
Interrupt Request Enable
0 = Interrupts are disabled
1 = Interrupts are enabled
Port A Address[7:0]
Selects Port Sub-Registers:
00H = No function
01H = Data direction
02H = Alternate function
03H = Output control (open-drain)
04H = High drive enable
05H = Stop Mode Recovery enable
06H-FFH = No function
Port A Control[7:0]
Registers
Port A Input Data [7:0]
Port A Output Data [7:0]
Provides Access to Port Sub-
Port B Address
PBADDR (FD4H - Read/Write)
Port B Control
PBCTL (FD5H - Read/Write)
Port B Input Data
PBIN (FD6H - Read Only)
Port B Output Data
PBOUT (FD7H - Read/Write)
Port C Address
PCADDR (FD8H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Z8 Encore! XP
Port B Address[7:0]
Selects Port Sub-Registers:
00H = No function
01H = Data direction
02H = Alternate function
03H = Output control (open-drain)
04H = High drive enable
05H = Stop Mode Recovery enable
06H-FFH = No function
Port B Control[7:0]
Provides Access to Port Sub-
Registers
Port B Input Data [7:0]
Port B Output Data [7:0]
Port C Address[7:0]
Selects Port Sub-Registers:
00H = No function
01H = Data direction
02H = Alternate function
03H = Output control (open-drain)
04H = High drive enable
05H = Stop Mode Recovery enable
06H-FFH = No function
Product Specification
Control Register Summary
®
F64XX Series
40