ATTINY20_14 Datasheet, PDF (55/219 Pages) ATMEL Corporation – 8-bit AVR Microcontroller

Table 10-8. Overriding Signals for Alternate Functions in PB[3:2]
Signal
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
PB3/RESET/PCINT11
RSTDISBL ⁽¹⁾
1
RSTDISBL⁽¹⁾
0
RSTDISBL⁽¹⁾
0
0
RSTDISBL⁽¹⁾ + (PCINT11 • PCIE1)
RSTDISBL⁽¹⁾ • PCINT11 • PCIE1
PCINT11 Input
PB2/INT0/OC0A/OC1B/MISO/CKOUT/PCINT10
CKOUT ⁽²⁾
0
CKOUT⁽²⁾ + (SPE • MSTR)
CKOUT⁽²⁾
CKOUT + OC0A_ENABLE + OC1B_ENABLE + (SPE • MSTR)
CKOUT⁽²⁾ • System Clock + CKOUT • SPE • MSTR •
SPI_SLAVE_OUT + CKOUT • (SPE + MSTR) • OC1B_ENABLE •
OC1B + CKOUT • (SPE + MSTR) • OC1B_ENABLE • OC0A
0
(PCINT10 • PCIE1) + INT0
(PCINT10 • PCIE1) + INT0
INT0 / PCINT10 / SPI Master Input
1.
RSTDISBL is 1 when the configuration bit is “0” (programmed)
2.
CKOUT is 1 when the configuration bit is “0” (programmed)
ATtiny20 [DATASHEET] 55
Atmel-8235F-AVR-ATtiny20-Datasheet_09/2014