ATMEGA32A-ANR Atmel, ATMEGA32A-ANR Datasheet - Page 350
![IC MCU AVR 32K FLASH 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA32A-ANR
Manufacturer Part Number
ATMEGA32A-ANR
Description
IC MCU AVR 32K FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA32A-MU.pdf
(353 pages)
Specifications of ATMEGA32A-ANR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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8155C–AVR–02/11
23 JTAG Interface and On-chip Debug System ..................................... 228
24 IEEE 1149.1 (JTAG) Boundary-scan ................................................... 234
25 Boot Loader Support – Read-While-Write Self-Programming ......... 253
22.5
22.6
22.7
22.8
22.9
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 ................................................................212
Changing Channel or Reference Selection ...................................................215
ADC Noise Canceler .....................................................................................217
ADC Conversion Result .................................................................................222
Register Description ......................................................................................223
Features ........................................................................................................228
Overview ........................................................................................................228
TAP – Test Access Port ................................................................................228
TAP Controller ...............................................................................................230
Using the Boundary-scan Chain ....................................................................231
Using the On-chip Debug System .................................................................231
On-chip Debug Specific JTAG Instructions ...................................................232
Using the JTAG Programming Capabilities ...................................................233
Register Description ......................................................................................233
Bibliography ...................................................................................................233
Features ........................................................................................................234
Overview ........................................................................................................234
Data Registers ...............................................................................................234
Boundary-scan Specific JTAG Instructions ...................................................236
Boundary-scan Chain ....................................................................................237
ATmega32A Boundary-scan Order ...............................................................247
Boundary-scan Description Language Files ..................................................252
Register Description ......................................................................................252
Features ........................................................................................................253
Overview ........................................................................................................253
Application and Boot Loader Flash Sections .................................................253
Read-While-Write and no Read-While-Write Flash Sections ........................254
Boot Loader Lock Bits ...................................................................................256
Entering the Boot Loader Program ................................................................257
Addressing the Flash during Self-Programming ............................................258
Self-Programming the Flash ..........................................................................259
Register Description ......................................................................................265
ATmega32A
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