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参数资料
| 型号： | R5F2138CFJFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | FLASH, 20 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件页数： | 12/30页 |
| 文件大小： | 483K |
| 代理商： | R5F2138CFJFP |
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ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
14.3.2
Alternate functions of Port D
The Port D pins with alternate functions are shown in Table 14-6.
The alternate pin configuration is as follows:
INT0 – Port D, Bit 1
INT0, External Interrupt Source 0. The PD1 pin can serve as an external interrupt source to the MCU.
ICP1 – Port D, Bit 0
ICP1 – Input Capture pin1: The PD0 pin can act as an Input Capture pin for Timer/Counter1.
Table 14-5.
Overriding signals for alternate functions in PB3:PB0.
Signal name
PB3/MISO/PCINT11
PB2/MOSI/PCINT10
PB1/SCK/PCINT9
PB0/SS/PCINT8
PUOE
SPE MSTR
PUOV
PORTB3 PUD
PORTB2 PUD
PORTB1 PUD
PORTB0 PUD
DDOE
SPE MSTR
DDOV
0
PVOE
SPE MSTR
0
PVOV
SPI SLAVE OUTPUT
SPI MSTR OUTPUT
SCK OUTPUT
0
PTOE
–
DIEOE
PCINT11 PCIE1
PCINT10 PCIE1
PCINT9 PCIE1
PCINT8 PCIE1
DIEOV
1
DI
PCINT11 INPUT
SPI MSTR INPUT
PCINT10 INPUT
SPI SLAVE INPUT
PCINT9 INPUT
SCK INPUT
PCINT8 INPUT
SPI SS
AIO
–
Table 14-6.
Port D pins alternate functions.
Port pin
Alternate function
PD7
–
PD6
–
PD5
–
PD4
–
PD3
–
PD2
–
PD1
INT0 (External Interrupt0 Input)
PD0
ICP1 (Timer/Counter1 Input Capture pin)
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