Rainbow Electronics ATtiny43U - Manual (Page 76)

76
8048B–AVR–03/09
ATtiny43U
Table 11-9 on page 76 to Table 11-12 on page 77 relate the alternate functions of Port B to the
overriding signals shown in Figure 11-5 on page 68 .
Table 11-9. Overriding Signals for Alternate Functions in PB7..PB6
Signal
Name
PB7/INT0/PCINT15 PB6/PCINT14
PUOE 0 0
PUOV 0 0
DDOE 0 USIWM1
DDOV 0 USI_SCL_HOLD + PORTB6
PVOE 0 USIWM1
PVOV 0 0
PTOE 0 USIPTOE
DIEOE (PCINT15 • PCIE1) + INT0 (PCINT14 • PCIE1) + USISIE
DIEOV (PCINT15 • PCIE1) + INT0 (PCINT14 • PCIE1) + USISIE
DI INT0/PCINT15 PCINT14/USCK/SCL
AIO
Table 11-10. Overriding Signals for Alternate Functions in PB5..PB4
Signal
Name
PB5/OC1B/PCINT13 PB4/OC1A/PCINT10
PUOE 0 0
PUOV 0 0
DDOE 0 USIWM1
DDOV 0 (SDA + PORTB4) • DDRB4
PVOE OC1B Enable + (USIWM1 • USIWM0) OC1A Enable + (USIWM1 • DDRB4)
PVOV
OC1B • (~USIWM1• USIWM0) + USIWM1
• USIWM0 • DO
OC1A • (USIWM1• DDRB4)
PTOE 0 0
DIEOE PCINT13 • PCIE1 PCINT10 • PCIE1 + USISIE
DIEOV PCINT13 • PCIE1 PCINT10 • PCIE1 + USISIE
DI PCINT13 PCINT10/DI/SDA
AIO