ATMEGA645A-AU Atmel, ATMEGA645A-AU Datasheet - Page 256

• Manufacturer Part Number: ATMEGA645A-AU
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645A-AU

• 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-TQFP
• Processor Series: ATmega
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

256
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Table 24-5.
Bit Number
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
ATmega169A/169PA/329A/329PA/649A/649P Boundary-scan Order, 64-pin
Signal Name
PG0.Data
PG0.Control
PG0.Pull-up_Enable
PG1.Data
PG1.Control
PG1.Pull-up_Enable
PC0.Data
PC0.Control
PC0.Pull-up_Enable
PC1.Data
PC1.Control
PC1.Pull-up_Enable
PC2.Data
PC2.Control
PC2.Pull-up_Enable
PC3.Data
PC3.Control
PC3.Pull-up_Enable
PC4.Data
PC4.Control
PC4.Pull-up_Enable
PC5.Data
PC5.Control
PC5.Pull-up_Enable
PC6.Data
PC6.Control
PC6.Pull-up_Enable
PC7.Data
PC7.Control
PC7.Pull-up_Enable
PG2.Data
PG2.Control
PG2.Pull-up_Enable
Module
Port G
Port C
Port G
8285B–AVR–03/11