ATMEGA406_0607 Datasheet, PDF (72/263 Pages) ATMEL Corporation – 8-bit Microcontroller with 40K Bytes In-System Programmable Flash

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Table 13-8. Overriding Signals for Alternate Functions in PB3:PB0
PB3/TCK/
Signal Name PCINT11
PB2/TMS/
PCINT10
PB1/TDI/
PCINT9
PB0/TDO/
PCINT8
PUOE
JTAGEN
JTAGEN
JTAGEN
JTAGEN
PUOV
1
1
1
0
DDOE
JTAGEN
JTAGEN
JTAGEN
JTAGEN
DDOV
0
0
0
SHIFT_IR + SHIFT_DR
PVOE
0
0
0
JTAGEN
PVOV
0
0
0
TDO
PTOE
–
–
–
–
DIEOE
JTAGEN
JTAGEN
JTAGEN
JTAGEN
DIEOV
0
0
0
0
DI
TCK/PCINT11
INPUT
TMS/PCINT10
INPUT
TDI/PCINT9
INPUT
PCINT8
INPUT
AIO
–
–
–
–
13.3.3
Alternate Functions of Port D
The Port D pins with alternate functions are shown in Table 13-9.
Table 13-9. Port D Pins Alternate Functions
Port Pin Alternate Function
PD0
T0 (Timer/Counter0 Clock Input)
The alternate pin configuration is as follows:
• T0 – Port B, Bit 0
T0, Timer/Counter0 Counter Source.
Table 13-10 on page 73 relates the alternate functions of Port D to the overriding signals shown
in Figure 13-5 on page 66.
72 ATmega406
2548E–AVR–07/06