ATMEGA645P-MU Atmel, ATMEGA645P-MU Datasheet - Page 88
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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ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
• PCINT27 – Port J, Bit 3
PCINT27, Pin Change Interrupt Source 27: The PE27 pin can serve as an external interrupt
source.
• PCINT26 – Port J, Bit 2
PCINT26, Pin Change Interrupt Source 26: The PE26 pin can serve as an external interrupt
source.
• PCINT25 – Port J, Bit 1
PCINT25, Pin Change Interrupt Source 25: The PE25 pin can serve as an external interrupt
source.
• PCINT24 – Port J, Bit 0
PCINT24, Pin Change Interrupt Source 24: The PE24 pin can serve as an external interrupt
source.
Table 13-20
shown in
Table 13-20. Overriding Signals for Alternate Functions in PJ7:PJ4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Figure 13-5 on page
and
PJ7
0
0
0
0
0
0
–
0
0
–
–
Table 13-21
relates the alternate functions of Port J to the overriding signals
74.
PJ6/PCINT30
0
0
0
0
0
0
–
PCINT30 • PCIE0
0
–
–
PJ5/PCINT29
0
0
0
0
0
0
–
PCINT29 • PCIE0
0
–
–
PJ4/PCINT28
0
0
0
0
0
0
–
PCINT28 • PCIE0
0
–
–
8285B–AVR–03/11
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