ATMEGA32A_1 Datasheet, PDF (58/352 Pages) ATMEL Corporation – 8-bit Microcontroller with 32K Bytes In-System Programmable Flash

Table 12-3. Port A Pins Alternate Functions
Port Pin
Alternate Function
PA7
ADC7 (ADC input channel 7)
PA6
ADC6 (ADC input channel 6)
PA5
ADC5 (ADC input channel 5)
PA4
ADC4 (ADC input channel 4)
PA3
ADC3 (ADC input channel 3)
PA2
ADC2 (ADC input channel 2)
PA1
ADC1 (ADC input channel 1)
PA0
ADC0 (ADC input channel 0)
Table 12-4 and Table 12-5 relate the alternate functions of Port A to the overriding signals
shown in Figure 12-5 on page 56.
Table 12-4. Overriding Signals for Alternate Functions in PA7:PA4
Signal Name
PA7/ADC7
PA6/ADC6
PA5/ADC5
PUOE
0
0
0
PUOV
0
0
0
DDOE
0
0
0
DDOV
0
0
0
PVOE
0
0
0
PVOV
0
0
0
DIEOE
0
0
0
DIEOV
0
0
0
DI
–
–
–
AIO
ADC7 INPUT
ADC6 INPUT
ADC5 INPUT
PA4/ADC4
0
0
0
0
0
0
0
0
–
ADC4 INPUT
58 ATmega32A
8155B–AVR–07/09