
23
MB90570 Series
(Continued)
Address
Abbreviated
register
name
Register name
Read/
write
Resource name
Initial value
000022H
SIDR0/
SODR0
Serial input data register 0/
serial output data register 0
R/W
UART0
(SCI)
XXXXXXXX B
000023H
SSR0
Serial status register 0
R/W
00001–00 B
000024H
SMR1
Serial mode register 1
R/W
UART1
(SCI)
00000000 B
000025H
SCR1
Serial control register 1
R/W
00000100 B
000026H
SIDR1/
SODR1
Serial input data register 1/
serial output data register 1
R/W
X XXXXXXX B
000027H
SSR1
Serial status register 1
R/W
00001–00 B
000028H
CDCR0
Communications prescaler control
register 0
R/W
Communications
prescaler
register 0
0–––1111 B
000029H
(Disabled)
00002AH
CDCR1
Communications prescaler control
register 1
R/W
Communications
prescaler
register 0
0–––1111 B
00002BH
to
00002FH
(Disabled)
000030H
ENIR
DTP/interrupt enable register
R/W
DTP/external
interrupt circuit
00000000 B
000031H
EIRR
DTP/interrupt factor register
R/W
X X X X X X X X B
000032H
ELVR
Request level setting register
R/W
00000000 B
000033H
00000000 B
000034H
(Disabled)
000035H
000036H
ADCS1
A/D control status register lower
digits
R/W
8/10-bit A/D
converter
00000000 B
000037H
ADCS2
A/D control status register upper
digits
R/W
0 0000000 B
000038H
ADCR1
A/D data register lower digits
R
X X X X X X X X B
000039H
ADCR2
A/D data register upper digits
W
0 0 0 0 1 – X X B
00003AH
DADR0
D/A converter data register ch.0
R/W
8-bit D/A
converter
XXXXXXXX B
00003BH
DADR1
D/A converter data register ch.1
R/W
X X X X X X X X B
00003CH
DACR0
D/A control register 0
R/W
–––––––0 B
00003DH
DACR1
D/A control register 1
R/W
–––––––0 B
00003EH
CLKR
Clock output enable register
R/W
Clock monitor
function
––––0000 B
00003FH
(Disabled)
000040H
PRLL0
PPG0 reload register L ch.0
R/W
8/16-bit PPG
timer 0
XXXXXXXX B
000041H
PRLH0
PPG0 reload register H ch.0
R/W
X X X X X X X X B