![](http://datasheet.mmic.net.cn/90000/M37212EFFP_datasheet_3496214/M37212EFFP_115.png)
112
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
M37212EFSP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Address 00EF16
Addresses 00F416
b7b6b5b4b3b2b1b0
A-D control register (ADC) [Address 00EF16]
B
After reset
R W
A-D Control Register
0
to
5
6, 7
0
NameFunctions
D-A converter set bits
(ADC0 to ADC5)
b0
b1
b2
b3
b4
b5
Nothing is assigned. These bits are write disable bits.
When these bits are reed out, the values are “ 0.”
1
0
0000
00000
0
0000
0
111
1
11111
1
111111
: 3/128Vcc
: 5/128Vcc
: 123/128Vcc
: 125/128Vcc
: 127/128Vcc
: 1/128Vcc
R W
R—
b7 b6 b5 b4 b3 b2 b1 b0
Timer mode register (T12M) [Address 00F416]
B
After reset
W
Timer 12 Mode Register
0
1
2
3
4
Name
Functions
Timer 1 count source
selection bit 1 (T12M0)
0: f(XIN)/16
1: f(XIN)/4096
Timer 2 count source
selection bit (T12M1)
0: Interrupt clock source
1: External clock from TIM2 pin
Timer 1 count
stop bit (T12M2)
0: Count start
1: Count stop
Timer 2 count stop bit
(T12M3)
0: Count start
1: Count stop
Timer 2 internal count
source selection bit 2
(T12M4)
R
0
W
R
W
R
W
R
W
R
W
R
0: f(XIN)/16
1: Timer 1 overflow
5
Fix this bit to “0.”
0
W
R
6, 7Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0—
R
0