ATMEGA169 ATMEL [ATMEL Corporation], ATMEGA169 Datasheet - Page 68

• Manufacturer Part Number: ATMEGA169
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Alternate Functions of Port D
68
ATmega169/V
The Port D pins with alternate functions are shown in Table 36.
Table 36. Port D Pins Alternate Functions
The alternate pin configuration is as follows:
• SEG15 - SEG20 – Port D, Bit 7:2
SEG15-SEG20, LCD front plane 15-20.
• INT0/SEG21 – Port D, Bit 1
INT0, External Interrupt Source 0. The PD1 pin can serve as an external interrupt
source to the MCU.
SEG21, LCD front plane 21.
• ICP1/SEG22 – Port D, Bit 0
ICP1 – Input Capture pin1: The PD0 pin can act as an Input Capture pin for
Timer/Counter1.
SEG22, LCD front plane 22
Port Pin
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
Alternate Function
SEG15 (LCD front plane 15)
SEG16 (LCD front plane 16)
SEG17 (LCD front plane 17)
SEG18 (LCD front plane 18)
SEG19 (LCD front plane 19)
SEG20 (LCD front plane 20)
INT0/SEG21 (External Interrupt0 Input or LCD front plane 21)
ICP1/SEG22 (Timer/Counter1 Input Capture pin or LCD front plane 22)
2514P–AVR–07/06