ATMEGA645P-MU Atmel, ATMEGA645P-MU Datasheet - Page 87
ATMEGA645P-MU
Manufacturer Part Number
ATMEGA645P-MU
Description
IC MCU AVR 64K FLASH 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA645P-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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13.3.7
8285B–AVR–03/11
Alternate Functions of Port J
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
Table 13-18. Overriding Signals for Alternate Functions in PH3:PH0
Port J is only present in ATmega3250A/3250PA/6450A/6450P. The alternate pin configuration is
as follows:
Table 13-19. Port J Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT30 – Port J, Bit 6
PCINT30, Pin Change Interrupt Source 30: The PE30 pin can serve as an external interrupt
source.
• PCINT29 – Port J, Bit 5
PCINT29, Pin Change Interrupt Source 29: The PE29 pin can serve as an external interrupt
source.
• PCINT28 – Port J, Bit 4
PCINT28, Pin Change Interrupt Source 28: The PE28 pin can serve as an external interrupt
source.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PH3/PCINT19
0
0
0
0
0
0
–
PCINT19 • PCIE0
0
PCINT19 INPUT
–
Alternate Function
PCINT30(Pin Change Interrupt30)
PCINT29(Pin Change Interrupt29)
PCINT28(Pin Change Interrupt28)
PCINT27(Pin Change Interrupt27)
PCINT26(Pin Change Interrupt26)
PCINT25(Pin Change Interrupt25)
PCINT24(Pin Change Interrupt26)
PH2/PCINT18
0
0
0
0
0
0
–
PCINT18 • PCIE0
0
PCINT18 INPUT
–
PH1/PCINT17
0
0
0
0
0
0
–
PCINT17 • PCIE0
0
PCINT17 INPUT
–
PH0/PCINT16
0
0
0
0
0
0
–
PCINT16 • PCIE0
0
PCINT16 INPUT
–
87
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