
MB90820 Series
27
(Continued)
Meaning of abbreviations used for reading and writing
R/W: Read and write enabled
R
: Read-only
W
: Write-only
Explanation of initial values
0
: The bit is initialized to 0.
1
: The bit is initialized to 1.
X
: The initial value of the bit is undefined.
Address
Abbreviation
Register
Byte
access
Word
access
Resource name
Initial
value
0000C0H
PWCSL0
PWC control status register
CH0
R/W
PWC timer (CH0)
00000000 B
0000C1H
PWCSH0
R/W
00000000 B
0000C2H
PWC0
PWC data buffer register CH0
R/W
XXXXXXXXB
0000C3H
XXXXXXXXB
0000C4H
DIV0
Divide ratio control register CH0
R/W
XXXXXX00B
0000C5H
ADER0
A/D input enable register 0
R/W
Port 6, A/D
1 1 1 1 1 1 1 1 B
0000C6H
ADCS0
A/D control status register 0
R/W
8/10-bit A/D converter
000XXXX0B
0000C7H
ADCS1
A/D control status register 1
R/W
0 0 0 0 0 0 0 X B
0000C8H
ADCR0
A/D data register 0
R
0 0 0 0 0 0 0 0 B
0000C9H
ADCR1
A/D data register 1
R/W
XXXXXX00B
0000CAH
ADSR0
A/D setting register 0
R/W
0 0 0 0 0 0 0 0 B
0000CBH
ADSR1
A/D setting register 1
R/W
0 0 0 0 0 0 0 0 B
0000CCH
DAT0
D/A data register 0
R/W
8-bit D/A converter
XXXXXXXXB
0000CDH
DAT1
D/A data register 1
R/W
XXXXXXXXB
0000CEH
DACR0
D/A control register 0
R/W
XXXXXXX0B
0000CFH
DACR1
D/A control register 1
R/W
XXXXXXX0B
0000D0H
ADER1
A/D input enable register 1
R/W
Port 7, A/D
1 1 1 1 1 1 1 1 B
0000D1Hto
0000EFH
Prohibited area
0000F0H to
0000FFH
External area
001FF0H
PADRL0
Program address detection
register 0 (lower)
R/W
Address match
detection
XXXXXXXXB
001FF1H
PADRM0
Program address detection
register 0 (middle)
R/W
XXXXXXXXB
001FF2H
PADRH0
Program address detection
register 0 (higher)
R/W
XXXXXXXXB
001FF3H
PADRL1
Program address detection
register 1 (lower)
R/W
XXXXXXXXB
001FF4H
PADRM1
Program address detection
register 1 (middle)
R/W
XXXXXXXXB
001FF5H
PADRH1
Program address detection
register 1 (higher)
R/W
XXXXXXXXB