参数资料
型号: M37221MAH-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42
封装: 0.450 INCH, 0.80 MM INCH, PLASTIC, SSOP-42
文件页数: 8/112页
文件大小: 1207K
代理商: M37221MAH-XXXFP
105
Rev. 1.0
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4H/M6H/M8H/MAH–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Address 00EF16
Addresses 00F416
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register 2 (AD2) [Address 00EF16]
B
After reset
RW
A-D Control Register 2
0
to
5
6, 7
0
Name
Functions
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
00000
0
00000
0
0000
0
111
1
11111
1
11111
1
: 3/128Vcc
: 5/128Vcc
: 123/128Vcc
: 125/128Vcc
: 127/128Vcc
: 1/128Vcc
RW
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
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