Datasheet

77
7734Q–AVR–02/12
AT90PWM81/161
Table 9-4 and Table 9-5 relates the alternate functions of Port B to the overriding signals shown
in Figure 9-5 on page 73.
Note: 1. If PSCen23 : PSCOUT23
else
{if AC3EN : ACMP3OUT
else : Ø
}
Table 9-4. Overriding signals for alternate functions in PB7..PB4.
Signal
name
PB7/PSCOUT22/
ICP1/ADC9
PB6/MISO/
ACMP3/ADC8
PB5/ADC5/
ACMP2/INT1/SCK
PB4/MOSI/ADC3
/ACMPM
PUOE 0 SPE.MSTR SPE.MSTR
SPE.MSTR
PUOV 0 PB6.PUD PB5.PUD PB4.PUD
DDOE PSCen22 SPE.MSTR SPE.MSTR SPE.MSTR
DDOV 1 0 0 0
PVOE PSCen22 SPE.MSTR
SPE.MSTR SPE.MSTR
PVOV PSCout22 MISO SCK MOSI
DIEOE ADC9D ADC8D ADC5D|In1en ADC3D
DIEOV 0 0 In1en 0
DI ICP1 - INT1 -
AIO ADC9 ACMP3/ADC8 ADC5/ACMP2 ADC3/ACMPM
Table 9-5. Overriding signals for alternate functions in PB3..PB0.
Signal
name
PB3/PSCOUTR1/
ADC2/ACMP2M
PB2/INT0/PSCOUT21/
ADC2/ACMP2M PB1/PSCOUT20
PB0/T1/PSCOUT23
/ACMP3_OUT
PUOE 0 0 0 0
PUOV 0 0 0 0
DDOE PSCen01 PSCen21 PSCen20 PSCen23|AC3EN
DDOV 1 1 1 1
PVOE PSCen01 PSCen21 PSCen20 PSCen23|AC3EN
PVOV PSCOUTR1 PCOUT21 PCOUT20 (1)
DIEOE ADC2D In0en - -
DIEOV 0 In0en - -
DI - INT0 - -
AIO ADC2/ACMP2M - - -