参数资料
型号: M37224M3-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.778 MM PITCH, SHRINK, PLASTIC, DIP-42
文件页数: 11/83页
文件大小: 901K
代理商: M37224M3-XXXSP
M37224M3-XXXSP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
19
b7 b6 b5 b4 b3 b2 b1 b0
Timer 12 mode register (T12M) [Address 00F416]
B
After reset
W
Timer 12 Mode Register
0
1
2
3
4
5
0
Name
Functions
Timer 1 count source
selection bit (T12M0)
0: f(XIN)/16
1: f(XIN)/4096
Timer 2 count source
selection bit
(T12M1)
0: Internal clock
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
(T12M4)
0: f(XIN)/16
1: Timer 1 overflow
Fix this bit to “0.”
R
0
6,7
0
Nothing is assigned. These bits are write disable
bits. When these bits are read out, the values are
“0.”
W
R
W
R
W
R
W
R
W
R
W
R
R
Fig. 16. Timer 34 Mode Register
Fig. 15. Timer 12 Mode Register
b7 b6 b5 b4 b3 b2 b1 b0
Timer 34 mode register (T34M) [Address 00F516]
B
After reset RW
Timer 34 Mode Register
0
1
2
3
6,7
0
Name
Functions
Timer 3 count source
selection bit (T34M0)
0: f(XIN)/16
1: External clock
Timer 4 internal count
source selection bit
(T34M1)
0: Timer 3 overflow
1: f(XIN)/16
Timer 3 count
stop bit (T34M2)
0: Count start
1: Count stop
Timer 4 count stop
bit (T34M3)
0: Count start
1: Count stop
Nothing is assigned. These bits are write disable
bits. When these bits are read out, the values are
“0.”
0
4
Timer 4 count source
selection bit (T34M4)
0: Internal clock
1: f(XIN)/2
0
5
Timer 3 external count
source selection bit (T34M5)
0: External clock from TIM3 pin
1: External clock from H SYNC pin
0
RW
R—
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