ATMEGA644PV ATMEL [ATMEL Corporation], ATMEGA644PV Datasheet - Page 405
ATMEGA644PV
Manufacturer Part Number
ATMEGA644PV
Description
8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATMEGA644PV.pdf
(408 pages)
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Part Number:
ATMEGA644PV-10MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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8011D–AVR–02/07
20 AC - Analog Comparator ..................................................................... 235
21 ADC - Analog-to-digital Converter ..................................................... 238
22 JTAG Interface and On-chip Debug System ..................................... 258
23 IEEE 1149.1 (JTAG) Boundary-scan ................................................... 264
19.9 Register Description ...........................................................................................230
20.1 Overview ............................................................................................................235
20.2 Analog Comparator Multiplexed Input ................................................................235
20.3 Register Description ...........................................................................................236
21.1 Features .............................................................................................................238
21.2 Overview ............................................................................................................238
21.3 Operation ............................................................................................................239
21.4 Starting a Conversion .........................................................................................240
21.5 Prescaling and Conversion Timing .....................................................................241
21.6 Changing Channel or Reference Selection ........................................................244
21.7 ADC Noise Canceler ..........................................................................................246
21.8 ADC Conversion Result .....................................................................................251
21.9 Register Description ...........................................................................................253
22.1 Features .............................................................................................................258
22.2 Overview ............................................................................................................258
22.3 TAP – Test Access Port .....................................................................................258
22.4 TAP Controller ....................................................................................................260
22.5 Using the Boundary-scan Chain .........................................................................261
22.6 Using the On-chip Debug System ......................................................................261
22.7 On-chip Debug Specific JTAG Instructions ........................................................262
22.8 Using the JTAG Programming Capabilities ........................................................262
22.9 Bibliography ........................................................................................................263
22.10 Register Description .........................................................................................263
23.1 Features .............................................................................................................264
23.2 Overview ............................................................................................................264
23.3 Data Registers ....................................................................................................265
23.4 Boundary-scan Specific JTAG Instructions ........................................................266
23.5 Boundary-scan Chain .........................................................................................267
23.6 ATmega164P/324P/644P Boundary-scan Order ...............................................270
23.7 Boundary-scan Description Language Files .......................................................272
23.8 Register Description ...........................................................................................273
ATmega164P/324P/644P
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