ATMEGA645A-AU Atmel, ATMEGA645A-AU Datasheet - Page 264
![IC MCU AVR 64K FLASH 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA645A-AU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA645A-AUR
Manufacturer:
HONEYWELL
Quantity:
101
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24.7
264
Boundary-scan Description Language Files
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Table 24-6.
Notes:
Boundary-scan Description Language (BSDL) files describe Boundary-scan capable devices in
a standard format used by automated test-generation software. The order and function of bits in
the Boundary-scan Data Register are included in this description. A BSDL file for
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/6450A/6450P is available.
Bit Number
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1. PRIVATE_SIGNAL1 should always be scanned in as zero
ATmega3250A/3250PA/6450A/6450P Boundary-scan Order, 100-pin
Signal Name
PA1.Pull-up_Enable
PA0.Data
PA0.Control
PA0.Pull-up_Enable
PH4.Data
PH4.Control
PH4.Pull-up_Enable
PH5.Data
PH5.Control
PH5.Pull-up_Enable
PH6.Data
PH6.Control
PH6.Pull-up_Enable
PH7.Data
PH7.Control
PH7.Pull-up_Enable
PF3.Data
PF3.Control
PF3.Pull-up_Enable
PF2.Data
PF2.Control
PF2.Pull-up_Enable
PF1.Data
PF1.Control
PF1.Pull-up_Enable
PF0.Data
PF0.Control
PF0.Pull-up_Enable
Module
Port H
Port F
8285B–AVR–03/11
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