![](http://datasheet.mmic.net.cn/330000/MB90435_datasheet_16437443/MB90435_21.png)
MB90435 Series
21
(Continued)
Address
Register
Abbreviation
Access
Resource name
Initial value
24
H
Serial mode register 1
SMR1
R/W
UART1
0 0 0 0 0 0 0 0
B
25
H
Serial control register 1
SCR1
R/W
0 0 0 0 0 1 0 0
B
26
H
Serial input data register 1/
Serial output data register 1
SIDR1/
SODR1
R/W
XXXXXXXX
B
27
H
Serial status register 1
SSR1
R/W
0 0 0 0 1_0 0
B
28
H
UART1 prescaler control register
U1CDCR
R/W
0_ _ _1 1 1 1
B
29
H
Serial Edge select register
SES1
R/W
_ _ _ _ _ _ _0
B
2A
H
Prohibited
2B
H
Serial I/O prescaler
SCDCR
R/W
Extended I/O
Serial Interface
0_ _ _1 1 1 1
B
2C
H
Serial mode control register
SMCS
R/W
_ _ _ _0 0 0 0
B
2D
H
Serial mode control register
SMCS
R/W
0 0 0 0 0 0 1 0
B
2E
H
Serial data register
SDR
R/W
XXXXXXXX
B
2F
H
Serial Edge select register
SES2
R/W
_ _ _ _ _ _ _0
B
30
H
External interrupt enable register
ENIR
R/W
External Interrupt
0 0 0 0 0 0 0 0
B
31
H
External interrupt request register
EIRR
R/W
XXXXXXXX
B
32
H
External interrupt level register
ELVR
R/W
0 0 0 0 0 0 0 0
B
33
H
External interrupt level register
ELVR
R/W
0 0 0 0 0 0 0 0
B
34
H
A/D control status register 0
ADCS0
R/W
A/D Converter
0 0 0 0 0 0 0 0
B
35
H
A/D control status register 1
ADCS1
R/W
0 0 0 0 0 0 0 0
B
36
H
A/D data register 0
ADCR0
R
XXXXXXXX
B
37
H
A/D data register 1
ADCR1
R/W
0 0 0 0 1 _ XX
B
38
H
PPG0 operation mode control register
PPGC0
R/W
16-bit Programmable
Pulse
Generator 0/1
0 _ 0 0 0 _ _ 1
B
39
H
PPG1 operation mode control register
PPGC1
R/W
0 _ 0 0 0 0 0 1
B
3A
H
PPG0/1 clock selection register
PPG01
R/W
0 0 0 0 0 0 _ _
B
3B
H
Prohibited
3C
H
PPG2 operation mode control register
PPGC2
R/W
16-bit Programmable
Pulse
Generator 2/3
0 _ 0 0 0 _ _1
B
3D
H
PPG3 operation mode control register
PPGC3
R/W
0 _ 0 0 0 0 0 1
B
3E
H
PPG2/3 Clock Selection Register
PPG23
R/W
0 0 0 0 0 0 _ _
B
3F
H
Prohibited
40
H
PPG4 operation mode control register
PPGC4
R/W
16-bit Programmable
Pulse
Generator 4/5
0 _ 0 0 0 _ _ 1
B
41
H
PPG5 operation mode control register
PPGC5
R/W
0 _ 0 0 0 0 0 1
B
42
H
PPG4/5 clock selection register
PPG45
R/W
0 0 0 0 0 0 _ _
B
43
H
Prohibited
44
H
PPG6 operation mode control register
PPGC6
R/W
16-bit Programmable
Pulse
Generator 6/7
0 _ 0 0 0 _ _ 1
B
45
H
PPG7 operation mode control register
PPGC7
R/W
0 _ 0 0 0 0 0 1
B
46
H
PPG6/7 clock selection register
PPG67
R/W
0 0 0 0 0 0 _ _
B