ATTIny2313-16MI ATMEL Corporation, ATTIny2313-16MI Datasheet - Page 57

• Manufacturer Part Number: ATTIny2313-16MI
• Description: 8-bit AVR Microcontroller with 2K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

2543C–AVR–12/03
• T0 – Port D, Bit 4
T0: Timer/Counter0 External Counter Clock input is enabled by setting (one) the bits
CS02 and CS01 in the Timer/Counter0 Control Register (TCCR0).
• INT1 – Port D, Bit 3
INT0: External Interrupt Source 0. The PD3 pin can serve as an external interrupt
source to the MCU.
• INT0/XCK/CKOUT – Port D, Bit 2
INT1: External Interrupt Source 1. The PD2 pin can serve as en external interrupt
source to the MCU.
XCK: USART Transfer Clock used only by Synchronous Transfer mode.
CKOUT: System Clock Output
• TXD – Port D, Bit 1
TXD: UART Data Transmitter.
• RXD – Port D, Bit 0
RXD: UART Data Receiver.
Table 30 and Table 31 relates the alternate functions of Port D to the overriding signals
shown in Figure 25 on page 51.
Table 30. Overriding Signals for Alternate Functions PD7..PD4
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
PD6/ICP
0
0
0
0
0
0
0
ICP ENABLE
1
ICP INPUT
–
PD5/OC1B/T1
0
0
0
0
OC1B_PVOE
OC1B_PVOV
0
T1 ENABLE
1
T1 INPUT
–
ATtiny2313/V
PD4/T0
0
0
0
0
0
0
0
T0 ENABLE
1
T0 INPUT
AIN1
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