ATMEGA645V-8AI Atmel, ATMEGA645V-8AI Datasheet - Page 359
ATMEGA645V-8AI
Manufacturer Part Number
ATMEGA645V-8AI
Description
IC AVR MCU FLASH 64K 1.8V 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA325-16MU.pdf
(362 pages)
Specifications of ATMEGA645V-8AI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
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, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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2570M–AVR–04/11
23 JTAG Interface and On-chip Debug System ..................................... 218
24 IEEE 1149.1 (JTAG) Boundary-scan ................................................... 224
25 Boot Loader Support – Read-While-Write Self-Programming ......... 251
22.4
22.5
22.6
22.7
22.8
23.1
23.2
23.3
23.4
23.5
23.6
23.7
23.8
23.9
23.10
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
25.1
25.2
25.3
25.4
25.5
25.6
25.7
25.8
25.9
Prescaling and Conversion Timing ................................................................204
Changing Channel or Reference Selection ...................................................206
ADC Noise Canceler .....................................................................................207
ADC Conversion Result .................................................................................211
Register Description ......................................................................................213
Features ........................................................................................................218
Overview ........................................................................................................218
TAP – Test Access Port ................................................................................218
TAP Controller ...............................................................................................220
Using the Boundary-scan Chain ....................................................................221
Using the On-chip Debug System .................................................................221
On-chip Debug Specific JTAG Instructions ...................................................222
Using the JTAG Programming Capabilities ...................................................223
Bibliography ...................................................................................................223
Register Description ......................................................................................223
Features ........................................................................................................224
System Overview ...........................................................................................224
Data Registers ...............................................................................................224
Boundary-scan Specific JTAG Instructions ...................................................226
Boundary-scan Related Register in I/O Memory ...........................................227
Boundary-scan Chain ....................................................................................228
Boundary-scan Order ....................................................................................237
Boundary-scan Description Language Files ..................................................250
Features ........................................................................................................251
Overview ........................................................................................................251
Application and Boot Loader Flash Sections .................................................251
Read-While-Write and No Read-While-Write Flash Sections ........................252
Boot Loader Lock Bits ...................................................................................254
Entering the Boot Loader Program ................................................................255
Addressing the Flash During Self-Programming ...........................................256
Self-Programming the Flash ..........................................................................257
Register Description ......................................................................................263
ATmega325/3250/645/6450
v
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