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參數(shù)資料
| 型號(hào)： | M37211M2-XXXSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| 封裝： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-52 |
| 文件頁(yè)數(shù)： | 13/60頁(yè) |
| 文件大小： | 1009K |
| 代理商： | M37211M2-XXXSP |
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MITSUBISHI MICROCOMPUTERS
M37210M3-XXXSP/FP, M37210M4-XXXSP, M37211M2-XXXSP
M37210E4-XXXSP/FP, M37210E4SP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
19
Fig. 14 14-bit PWM output example (f (XIN) = 4MHz)
Set “2C16” to DA-H register
Set “2816” to DA-L register
[DA-H register]
[DA latch]
bit 7
These bits decide smaller intervals tm in which “H” level area
is
[“H” level area of fundamental waveform plus r]
These bits decide “H” level area
of fundamental waveform
Fundamental
waveform
14-bit
8-bit
counter
PWM output
00
1011
00
bit 0
After writing of DA-L
After writing
bit 13
bit 0
00
1011
00101
00
0
10
0
10
0
bit 0
Waveform of smaller intervals tm specified by the lower 6 bits
14-bit
PWM output
8-bit
counter
FF FE FD
D6 D5 D4 D3
02 01 00
The fundamental waveform of smaller intervals
tm which is not specified by the lower 6 bits is
not changed
14-bit PWM output
Low-order 6-bit
output of DA latch
t0
t1
t2
t3
t4
t5
t59
t60
t61
t62
t63
()
“H” level area of
fundamental waveform
Minimum bit
durations 0.5
s
High-order 8 bit
value of DA latch
=
() (
0.5
s 44
0.5
s 45
0.5
s
2C 2B 2A
03 02 01
FF FE FD
D6 D5 D4 D3
02 01 00
2C 2B 2A
03 02 01 00
)
0.5
s 45
T = 8192
s
[DA-L register]
00
τ = 0.5s
…
……
…
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37210E4-XXXSP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37212EFFP | 8-BIT, OTPROM, MICROCONTROLLER, PQFP80 |
| M37212M4-XXXSP | 8-BIT, MROM, MICROCONTROLLER, PDIP52 |
| M37212EFSP | 8-BIT, OTPROM, MICROCONTROLLER, PDIP52 |
| M37221EF-XXXSP | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37212 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER |
| M37212EFFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37212EFSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37212EFSP/FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER |
| M37212M4 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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