ATMEGA329P-20AN Atmel, ATMEGA329P-20AN Datasheet - Page 10

• Manufacturer Part Number: ATMEGA329P-20AN
• Description: IC MCU AVR 32K 20MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA329P-20AN

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• 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: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6. Register Summary
8021GS–AVR–03/11
Address
(0xFE)
(0xFD)
(0xFC)
(0xFB)
(0xFA)
(0xEF)
(0xEE)
(0xED)
(0xEC)
(0xEB)
(0xEA)
(0xDF)
(0xDE)
(0xDD)
(0xDC)
(0xDB)
(0xDA)
(0xD9)
(0xD8)
(0xD7)
(0xD6)
(0xD5)
(0xD4)
(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xCF)
(0xCE)
(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xFF)
(0xF9)
(0xF8)
(0xF7)
(0xF6)
(0xF5)
(0xF4)
(0xF3)
(0xF2)
(0xF1)
(0xF0)
(0xE9)
(0xE8)
(0xE7)
(0xE6)
(0xE5)
(0xE4)
(0xE3)
(0xE2)
(0xE1)
(0xE0)
LCDDR19
LCDDR18
LCDDR17
LCDDR16
LCDDR15
LCDDR14
LCDDR13
LCDDR12
LCDDR11
LCDDR10
LCDDR09
LCDDR08
LCDDR07
LCDDR06
LCDDR05
LCDDR04
LCDDR03
LCDDR02
LCDDR01
LCDDR00
Reserved
Reserved
Reserved
Reserved
LCDCCR
LCDFRR
LCDCRB
LCDCRA
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PORTJ
DDRJ
PINJ
PORTH
DDRH
PINH
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UDR0
UBRR0H
Name
LCDDC2
PORTH7
SEG339
SEG331
SEG323
SEG315
SEG307
SEG239
SEG231
SEG223
SEG215
SEG207
SEG139
SEG131
SEG123
SEG115
SEG107
SEG039
SEG031
SEG023
SEG015
SEG007
LCDCS
LCDEN
PINH7
Bit 7
DDH7
Note:
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Registers with bold type only available in ATmega3290P.
LCDDC1
LCDPS2
PORTH6
SEG338
SEG330
SEG322
SEG314
SEG306
SEG238
SEG230
SEG222
SEG214
SEG206
SEG138
SEG130
SEG122
SEG114
SEG106
SEG038
SEG030
SEG022
SEG014
SEG006
PORTJ6
LCDAB
LCD2B
Bit 6
PINH6
PINJ6
DDH6
DDJ6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
LCDMUX1
LCDDC0
LCDPS1
PORTH5
SEG337
SEG329
SEG321
SEG313
SEG305
SEG237
SEG229
SEG221
SEG213
SEG205
SEG137
SEG129
SEG121
SEG113
SEG105
SEG037
SEG029
SEG021
SEG013
SEG005
PORTJ5
Bit 5
PINH5
PINJ5
DDH5
DDJ5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
LCDMUX0
LCDMDT
PORTH4
LCDPS0
PORTJ4
SEG336
SEG328
SEG320
SEG312
SEG304
SEG236
SEG228
SEG220
SEG212
SEG204
SEG136
SEG128
SEG120
SEG112
SEG104
SEG036
SEG028
SEG020
SEG012
SEG004
Bit 4
LCDIF
PINH4
PINJ4
DDH4
DDJ4
USART0 Data Register
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
LCDCC3
LCDPM3
PORTH3
SEG327
SEG319
SEG311
SEG303
SEG227
SEG219
SEG211
SEG203
SEG127
SEG119
SEG111
SEG103
SEG027
SEG019
SEG011
SEG003
PORTJ3
SEG335
SEG235
SEG135
SEG035
Bit 3
LCDIE
PINH3
PINJ3
DDH3
DDJ3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USART0 Baud Rate Register High
LCDCC2
LCDCD2
LCDPM2
PORTH2
SEG334
SEG326
SEG318
SEG310
SEG302
SEG234
SEG226
SEG218
SEG210
SEG202
SEG134
SEG126
SEG118
SEG110
SEG102
SEG034
SEG026
SEG018
SEG010
SEG002
PORTJ2
LCDBD
Bit 2
PINJ2
PINH2
DDH2
DDJ2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ATmega329P/3290P
LCDCCD
LCDCC1
LCDCD1
LCDPM1
PORTH1
SEG333
SEG325
SEG317
SEG309
SEG301
SEG233
SEG225
SEG217
SEG209
SEG201
SEG133
SEG125
SEG117
SEG109
SEG101
SEG033
SEG025
SEG017
SEG009
SEG001
PORTJ1
PINH1
Bit 1
PINJ1
DDJ1
DDH1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
LCDCC0
LCDCD0
LCDPM0
PORTH0
SEG332
SEG324
SEG316
SEG308
SEG300
SEG232
SEG224
SEG216
SEG208
SEG200
SEG132
SEG124
SEG116
SEG108
SEG100
SEG032
SEG024
SEG016
SEG008
SEG000
PORTJ0
LCDBL
PINH0
Bit 0
PINJ0
DDH0
DDJ0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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241
189
193
93
93
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