21
MB90246A Series
(Continued)
Address
Abbreviated
register name
Register name
Read/
write
Resource
name
Initial value
000024
H
SCR2
Serial control status register 2
R/W
I/O simple serial
interface 2
1 0 0 0 0 0 0 0
B
000025
H
SSR2
Serial status register 2
R
– – – – – – – 1
B
000026
H
SDR2L
Serial data register 2 (L)
R/W
XXXXXXXX
B
000027
H
SDR2H
Serial data register 2 (H)
R/W
XXXXXXXX
B
000028
H
UMC
Mode control register
R/W
UART
0 0 0 0 0 1 0 0
B
000029
H
USR
Status register
R/W
0 0 0 1 0 0 0 0
B
00002A
H
UIDR/
UODR
Input data register/
output data register
R/W
XXXXXXXX
B
00002B
H
URD
Rate and data register
R/W
0 0 0 0 0 0 0 0
B
00002C
H
PWMC3
PWM3 operating mode control
register
R/W
8-bit PWM
timer 3
0 0 0 0 0 XX 1
B
00002D
H
(Vacancy)
00002E
H
PRLL3
PWM3 re-road register (L)
R/W
8-bit PWM
timer 3
XXXXXXXX
B
00002F
H
PRLH3
PWM3 re-road register (H)
R/W
XXXXXXXX
B
000030
H
ENIR
DTP/interrupt enable register
R/W
DTP/external
interrupt circuit
– – – – 0 0 0 0
B
000031
H
EIRR
DTP/interrupt factor register
R/W
– – – – 0 0 0 0
B
000032
H
ELVR
Request level setting register
R/W
0 0 0 0 0 0 0 0
B
000033
H
(Vacancy)
000034
H
PWMC0
PWM0 operating mode control
register
R/W
8-bit PWM
timer 0
0 0 0 0 0 XX 1
B
000035
H
(Vacancy)
000036
H
PRLL0
PWM0 re-road register (L)
R/W
8-bit PWM
timer 0
XXXXXXXX
B
000037
H
PRLH0
PWM0 re-road register (H)
R/W
XXXXXXXX
B
000038
H
PWMC1
PWM1 operating mode control
register
R/W
8-bit PWM
timer 1
0 0 0 0 0 XX 1
B
000039
H
(Vacancy)
00003A
H
PRLL1
PWM1 re-road register (L)
R/W
8-bit PWM
timer 1
XXXXXXXX
B
00003B
H
PRLH1
PWM1 re-road register (H)
R/W
XXXXXXXX
B
00003C
H
PWMC2
PWM2 operating mode control
register
R/W
8-bit PWM
timer 2
0 0 0 0 0 XX 1
B
00003D
H
(Vacancy)
00003E
H
PRLL2
PWM2 re-road register (L)
R/W
8-bit PWM
timer 2
XXXXXXXX
B
00003F
H
PRLH2
PWM2 re-road register (H)
R/W
XXXXXXXX
B
000040
H
TMCSR0
Timer control status register 0
lower digits
R/W
16-bit re-load
timer 0
0 0 0 0 0 0 0 0
B
000041
H
Timer control status register 0
upper digits
R/W
– – – – 0 0 0 0
B