ATTINY87_10 Datasheet, PDF (79/292 Pages) ATMEL Corporation – 8-bit AVR Microcontroller with 8K/16K Bytes In-System Programmable Flash and LIN Controller

ATtiny87/ATtiny167
Table 9-4. Overriding Signals for Alternate Functions in PA7:PA4
Signal
Name
PA7/PCINT7/
ADC7/AIN1
/XREF/AREF
PA6/PCINT6/
ADC6/AIN0/SS
PA5/PCINT5/ADC5/
T1/USCK/SCL/SCK
PA4/PCINT4/ADC4/
ICP1/DI/SDA/MOSI
PUOE
0
SPE & MSTR
SPE & MSTR
SPE & MSTR
PUOV
0
PORTA6 & PUD
PORTA5 & PUD
PORTA4 & PUD
DDOE
0
SPE & MSTR
(SPE & MSTR) |
(USI_2_WIRE & USIPOS)
(SPE & MSTR) |
(USI_2_WIRE &
USIPOS)
DDOV
0
{ (SPE & MSTR) ?
(USI_SCL_HOLD |
(0) :
0
PORTA5)
(USI_SHIFTOUT |
& DDRA6
PORTA4)
& DDRA4) }
PVOE
0
(SPE & MSTR) |
(SPE & MSTR) |
0
(USI_2_WIRE & USIPOS (USI_2_WIRE & USIPOS
& DDRA5)
& DDRA4)
PVOV
0
{ (SPE & MSTR) ?
{ (SPE & MSTR) ?
(SCK_OUTPUT) :
(MOSI_OUTPUT) :
0
~ (USI_2_WIRE &
~ (USI_2_WIRE &
USIPOS
USIPOS
& DDRA5) }
& DDRA4) }
PTOE
0
0
USI_PTOE & USIPOS
0
DIEOE
ADC7D |
(PCIE0 &
PCMSK07)
ADC6D |
(PCIE0 &
PCMSK06)
ADC5D |
(USISIE & USIPOS) |
(PCIE0 & PCMSK05)
ADC4D |
(USISIE & USIPOS) |
(PCIE0 & PCMSK04)
DIEOV
PCIE0 &
PCMSK07
PCIE0 &
PCMSK06
(USISIE & USIPOS) |
(PCIE0 & PCMSK05)
(USISIE & USIPOS) |
(PCIE0 & PCMSK04)
DI
PCINT7
PCINT6 -/- SS
PCINT5 -/- T1
-/- USCK -/- SCL -/- SCK
PCINT4 -/- ICP1
-/- DI -/- SDA -/- MOSI
AIO
ADC7 -/- AIN1 -/-
XREF -/- AREF
ADC6 -/- AIN0
ADC5
ADC4
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8265A–AVR–08/10