ATMEGA169PA-MCU ATMEL [ATMEL Corporation], ATMEGA169PA-MCU Datasheet - Page 10
![no-image](/images/no-image-200.jpg)
ATMEGA169PA-MCU
Manufacturer Part Number
ATMEGA169PA-MCU
Description
8-bit Microcontroller with 16K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATMEGA169PA-MCU.pdf
(23 pages)
5. Register Summary
8171BS–AVR–03/10
Address
(0xFD)
(0xFC)
(0xEE)
(0xED)
(0xEC)
(0xEB)
(0xEA)
(0xDF)
(0xDE)
(0xDD)
(0xDC)
(0xDB)
(0xDA)
(0xCF)
(0xCE)
(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xFF)
(0xFE)
(0xFB)
(0xFA)
(0xF9)
(0xF8)
(0xF7)
(0xF6)
(0xF5)
(0xF4)
(0xF3)
(0xF2)
(0xF1)
(0xF0)
(0xEF)
(0xE9)
(0xE8)
(0xE7)
(0xE6)
(0xE5)
(0xE4)
(0xE3)
(0xE2)
(0xE1)
(0xE0)
(0xD9)
(0xD8)
(0xD7)
(0xD6)
(0xD5)
(0xD4)
(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xC4)
(0xC3)
(0xC2)
(0xC1)
(0xC0)
LCDDR18
LCDDR17
LCDDR16
LCDDR15
LCDDR13
LCDDR12
LCDDR11
LCDDR10
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
LCDCCR
LCDFRR
LCDCRB
LCDCRA
UBRRH0
UCSR0C
UCSR0B
UCSR0A
LCDDR8
LCDDR7
LCDDR6
LCDDR5
LCDDR3
LCDDR2
LCDDR1
LCDDR0
UBRRL0
Name
UDR0
LCDDC2
SEG323
SEG315
SEG307
SEG223
SEG215
SEG207
SEG123
SEG115
SEG107
SEG023
SEG015
SEG007
LCDCS
LCDEN
RXCIE0
Bit 7
RXC0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
LCDDC1
LCDPS2
UMSEL0
SEG322
SEG314
SEG306
SEG222
SEG214
SEG206
SEG122
SEG114
SEG106
SEG022
SEG014
SEG006
LCDAB
TXCIE0
LCD2B
Bit 6
TXC0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
LCDMUX1
LCDDC0
LCDPS1
SEG321
SEG313
SEG305
SEG221
SEG213
SEG205
SEG121
SEG113
SEG105
SEG021
SEG013
SEG005
UDRIE0
UPM01
UDRE0
Bit 5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
USART0 Baud Rate Register Low
LCDMUX0
LCDMDT
SEG304
LCDPS0
SEG320
SEG312
SEG220
SEG212
SEG204
SEG120
SEG112
SEG104
SEG020
SEG012
SEG004
USART0 I/O Data Register
UPM00
RXEN0
Bit 4
LCDIF
FE0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
LCDCC3
SEG319
SEG311
SEG303
SEG219
SEG211
SEG203
SEG119
SEG111
SEG103
SEG019
SEG011
SEG003
USBS0
TXEN0
LCDIE
Bit 3
DOR0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
USART0 Baud Rate Register High
LCDCD2
LCDPM2
LCDCC2
SEG318
SEG310
SEG302
SEG218
SEG210
SEG202
SEG118
SEG110
SEG102
SEG018
SEG010
SEG002
UCSZ01
UCSZ02
LCDBD
Bit 2
UPE0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
LCDCC1
LCDCD1
LCDPM1
LCDCCD
SEG317
SEG309
SEG301
SEG217
SEG209
SEG201
UCSZ00
SEG117
SEG109
SEG101
SEG017
SEG001
SEG09
RXB80
Bit 1
U2X0
ATmega169PA
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
LCDCC0
LCDCD0
LCDPM0
UCPOL0
SEG324
SEG316
SEG308
SEG300
SEG224
SEG216
SEG208
SEG200
SEG124
SEG116
SEG108
SEG100
SEG024
SEG016
SEG008
SEG000
MPCM0
LCDBL
TXB80
Bit 0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Page
249
249
249
249
249
249
249
249
249
249
249
249
248
246
245
244
197
197
193
249
249
249
249
193
195
194
10