ATMEGA645P-MU Atmel, ATMEGA645P-MU Datasheet - Page 67
![IC MCU AVR 64K FLASH 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
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
- Current page: 67 of 680
- Download datasheet (37Mb)
12.2.7
8285B–AVR–03/11
PCMSK0 – Pin Change Mask Register 0
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
• Bit 7:0 – PCINT7:0: Pin Change Enable Mask 7:0
Each PCINT7:0 bit selects whether pin change interrupt is enabled on the corresponding I/O pin.
If PCINT7:0 is set and the PCIE0 bit in EIMSK is set, pin change interrupt is enabled on the cor-
responding I/O pin. If PCINT7:0 is cleared, pin change interrupt on the corresponding I/O pin is
disabled.
Bit
(0x6B)
Read/Write
Initial Value
7
PCINT7
R/W
0
6
PCINT6
R/W
0
5
PCINT5
R/W
0
4
PCINT4
R/W
0
3
PCINT3
R/W
0
2
PCINT2
R/W
0
1
PCINT1
R/W
0
0
PCINT0
R/W
0
PCMSK0
67
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