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Z8F0113HJ005EG Datasheet, PDF (52/245 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers
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Z8 Encore! XP® F0823 Series
Product Specification
37
Table 17. Port Alternate Function Mapping (Non 8-Pin Parts) (Continued)
Port
Pin Mnemonic
Port B3 PB03 Reserved
Alternate Function Description
Alternate Function
Set Register AFS1
AFS1[0]: 0
ANA0
ADC Analog Input
AFS1[0]: 1
PB1 Reserved
AFS1[1]: 0
ANA1
ADC Analog Input
AFS1[1]: 1
PB2 Reserved
AFS1[2]: 0
ANA2
ADC Analog Input
AFS1[2]: 1
PB3 CLKIN
External Clock Input
AFS1[3]: 0
ANA3
ADC Analog Input
AFS1[3]: 1
PB4 Reserved
AFS1[4]: 0
ANA7
ADC Analog Input
AFS1[4]: 1
PB5 Reserved
VREF4
PB6 Reserved
ADC Voltage Reference
AFS1[5]: 0
AFS1[5]: 1
AFS1[6]: 0
Reserved
AFS1[6]: 1
PB7 Reserved
AFS1[7]: 0
Reserved
AFS1[7]: 1
Notes:
1. Because there is only a single alternate function for each Port A pin, the Alternate Function Set registers are not
implemented for Port A. Enabling alternate function selections as described in the Port A–C Alternate Function
Subregisters section on page 43 automatically enables the associated alternate function.
2. Whether PA0/PA6 take on the timer input or timer output complement function depends on the timer configura-
tion as described in the Timer Pin Signal Operation section on page 83.
3. Because there are at most two choices of alternate function for any pin of Port B, the Alternate Function Set reg-
ister AFS2 is implemented but not used to select the function. Also, alternate function selection as described in
the Port A–C Alternate Function Subregisters section on page 43 must also be enabled.
4. VREF is available on PB5 in 28-pin products only.
5. Because there are at most two choices of alternate function for any pin of Port C, the Alternate Function Set reg-
ister AFS2 is implemented but not used to select the function. Also, Alternate Function selection as described in
the Port A–C Alternate Function Subregisters section on page 43 must also be enabled.
6. VREF is available on PC2 in 20-pin parts only.
PS024315-1011
PRELIMINARY
GPIO Alternate Functions
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