![](http://datasheet.mmic.net.cn/330000/MB90P234_datasheet_16438148/MB90P234_21.png)
21
MB90230 Series
(Continued)
Address
Register
Register
name
Access
Resouce
name
Initial value
26
H
Serial data register
SDR
R/W
Extended serial
I/O interface
XXXXXXXX
27
H
Reserved area
—
—
—
—
28
H
Cycle setting register
PCSR
W
8-bit
PPG timer
XXXXXXXX
29
H
Duty factor setting register
PDUT
W
XXXXXXXX
2A
H
Control status register
PCNTL
R/W
0 0 0 0 0 0 0 0
2B
H
PCNTH
0 0 0 0 0 0 0 –
2C
H
Reserved area
—
—
—
—
2D
H
Communication prescaler
CDCR
R/W
UART, CKOT,
I/O, serial IF
0 – – – 1 1 1 1
2E
H
Clock control register
CLKR
R/W
CKOT output
– – – – – 0 0 0
2F
H
Level comparator
LVLC
R/W
Level
comparator
XXXX0 0 0 0
30
H
Interrupt/DTP enable register
ENIR
R/W
DTP/external
interrupt
– – – – 0 0 0 0
31
H
Interrupt/DTP factor register
EIRR
R/W
– – – – 0 0 0 0
32
H
Request level setting register
ELVR
R/W
0 0 0 0 0 0 0 0
33
H
Reserved area
—
—
—
—
34
H
Analog input enable register
ADER
R/W
10-bit A/D
converter
1 1 1 1 1 1 1 1
35
H
Reserved area
—
—
—
36
H
Control status data register
ADCS0
R/W
0 0 0 0 0 0 0 0
37
H
ADCS1
0 0 0 0 0 0 0 0
38
H
Data register
ADCR0
R
XXXXXXXX
39
H
ADCR1
0 0 0 0 0 0 XX
3A
H
Reserved area
—
—
—
—
3B
H
Reserved area
—
—
—
—
3C
H
D/A converter data register 0
DAT0
R/W
8-bit D/A
converter
XXXXXXXX
3D
H
D/A converter data register 1
DAT1
R/W
0 0 0 0 0 0 0 0
3E
H
D/A control register
DACR
R/W
– – – – – – 0 0
3F
H
Reserved area
—
—
—
—
40
H
PWM data register 0
PWD0
R/W
8-bit
PWM0, 1
0 0 0 0 0 0 0 0
41
H
PWM data register 1
PWD1
R/W
0 0 0 0 0 0 0 0
42
H
Control status data register 0, 1
PWC01
R/W
0 0 0 0 0 0 0 0
43
H
Reserved area
—
—
—
—
44
H
PWM data register 2
PWD2
R/W
8-bit
PWM2, 3
0 0 0 0 0 0 0 0
45
H
PWM data register 3
PWD3
R/W
0 0 0 0 0 0 0 0
46
H
Control status register 2, 3
PWC23
R/W
0 0 0 0 0 0 0 0