Filter
Top Products
569
APPENDIX A I/O Maps
000019
H
Reserved
00001A
H
Port A direction register DDRA W Port A
XXX0 0XXX
B
00001B
H
to
00001D
H
Reserved
00001E
H
Port 2 pull-up control register PUCR2 R/W Port 2
0 0 0 0 0 0 0 0
B
00001F
H
Reserved
000020
H
Serial mode register 0 SMR0 W, R/W
UART0
0 0 0 0 0 0 0 0
B
000021
H
Serial control register 0 SCR0 W, R/W
0 0 0 0 0 0 0 0
B
000022
H
Reception/transmission data register 0
RDR0/TDR0 R/W
0 0 0 0 0 0 0 0
B
000023
H
Serial status register 0 SSR0 R, R/W
0 0 0 0 1 0 0 0
B
000024
H
Extended communication control
register 0
ECCR0 R, W, R/W
0 0 0 0 0 0 XX
B
000025
H
Extended status control register0 ESCR0 R/W
0 0 0 0 0 1 0 0
B
000026
H
Baud rate generator register 00 BGR00 R/W, R
0 0 0 0 0 0 0 0
B
000027
H
Baud rate generator register 01 BGR01 R/W, R
0 0 0 0 0 0 0 0
B
000028
H
Serial mode register 1 SMR1 W, R/W
UART1
0 0 0 0 0 0 0 0
B
000029
H
Serial control register 1 SCR1 W, R/W
0 0 0 0 0 0 0 0
B
00002A
H
Reception/transmission data register 1
RDR1/TDR1 R/W
0 0 0 0 0 0 0 0
B
00002B
H
Serial status register 1 SSR1 R, R/W
0 0 0 0 1 0 0 0
B
00002C
H
Extended communication control
register1
ECCR1 R, W, R/W
0 0 0 0 0 0 XX
B
00002D
H
Extended status control register 1 ESCR1 R/W
0 0 0 0 0 1 0 0
B
00002E
H
Baud rate generator register 10 BGR10 R/W, R
0 0 0 0 0 0 0 0
B
00002F
H
Baud rate generator register 11 BGR11 R/W, R
0 0 0 0 0 0 0 0
B
000030
H
to
00003A
H
Reserved
00003B
H
Address detection control register 1 PACSR1 R/W
Address Match
Detection 1
0 0 0 0 0 0 0 0
B
00003C
H
to
000047
H
Reserved
000048
H
PPGC operation mode control register
PPGCC W, R/W
16-bit
PPGC/D
0 X 0 0 0 XX1
B
000049
H
PPGD operation mode control register
PPGCD W, R/W
0 X 0 0 0 0 0 1
B
00004A
H
PPGC /D count clock selection register
PPGCD R/W
0 0 0 0 0 0 X 0
B
Table A-1 I/O Map (2/5)
Address Register
Abbreviation
Access Peripheral Initial value