MB89670/A Series
Address
20H
21H
22H
23H
24H
25H
26H
27H
28H
29H
2AH
2BH
2CH
2DH
2EH
2FH
30H
31H
32H
33H
34H
35H
36H
37H
38H
39H
3AH
3BH
3CH
3DH
3EH
3FH
Read/write
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(W)
(W)
(R)
(W)
(R)
(W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
Register name
ADC1
ADC2
ADCH
ADCL
T2CR
T1CR
T2DR
T1DR
CNTR1
CNTR2
CNTR3
COMR2
COMR1
UDCR1
RCR1
UDCR2
RCR2
CCRA1
CCRA2
CCRB1
CCRB2
CSR1
CSR2
EIC1
EIC2
EIE2
EIF2
Register description
A/D converter control register 1
A/D converter control register 2
A/D converter data register H
A/D converter data register L
Timer 2 control register
Timer 1 control register
Timer 2 data register
Timer 1 data register
PWM timer control register 1
PWM timer control register 2
PWM timer control register 3
PWM timer compare register 2
PWM timer compare register 1
Vacancy
Vacancy
Vacancy
Up/down counter register 1
Reload compare register1
Up/down counter register 2
Reload compare register2
Counter control register A1
Counter control register A2
Counter control register B1
Counter control register B2
Counter status register 1
Counter status register 2
External interrupt 1 control register 1
External interrupt 1 control register 2
External interrupt 2 enable register
External interrupt 2 flag register
Vacancy
Vacancy
Vacancy
Vacancy
–: Unused, X: Undefined, M: Set using the mask option
Initial value
0000 0000B
X0 0 0 0 0 0 1 B
– – – – – – XXB
XXXX XXXXB
X0 0 0 XXX0 B
X0 0 0 XXX0 B
XXXX XXXXB
XXXX XXXXB
0000 0000B
0000 0000B
XXX0 0 0 0 0 B
XXXX XXXXB
XXXX XXXXB
XXXX XXXXB
XXXX XXXXB
XXXX XXXXB
XXXX XXXXB
0000 0000B
0000 0000B
0000 0000B
0000 0000B
0000 0000B
0000 0000B
0000 0000B
0000 0000B
0000 0000B
XXXX 0 0 0 0 B
(Continued)
26