ATMEGA645A-AU Atmel, ATMEGA645A-AU Datasheet - Page 254

• 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

254
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Table 24-5.
Bit Number
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
ATmega169A/169PA/329A/329PA/649A/649P Boundary-scan Order, 64-pin
Signal Name
PB0.Data
PB0.Control
PB0.Pull-up_Enable
PB1.Data
PB1.Control
PB1.Pull-up_Enable
PB2.Data
PB2.Control
PB2.Pull-up_Enable
PB3.Data
PB3.Control
PB3.Pull-up_Enable
PB4.Data
PB4.Control
PB4.Pull-up_Enable
PB5.Data
PB5.Control
PB5.Pull-up_Enable
PB6.Data
PB6.Control
PB6.Pull-up_Enable
PB7.Data
PB7.Control
PB7.Pull-up_Enable
PG3.Data
PG3.Control
PG3.Pull-up_Enable
PG4.Data
PG4.Control
PG4.Pull-up_Enable
PG5
RSTT
RSTHV
Module
Port B
Port G
(Observe Only)
Reset Logic (Observe-only)
8285B–AVR–03/11