參數(shù)資料
型號(hào)： M37210M3-800SP
廠商： Mitsubishi Electric Corporation
英文描述： TRANS PREBIASED PNP 200MW SOT-23
中文描述： 單芯片8位CMOS微機(jī)電壓合成與屏幕顯示控制器
文件頁(yè)數(shù)： 19/59頁(yè)
文件大?。?/td> 764K
代理商： M37210M3-800SP
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 (X
IN
) = 4MHz)
Set “2C
16
” to DA-H register
Set “28
16
” 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
Fundamental
waveform
14-bit
PWM output
8-bit
counter
0
0
1
0
1
1 0
0
bit 0
After writing of DA-L
After writing
bit 13
0
bit 0
0
0
1
0
1
1
0
0
1
0
1
0
0
1
0
0
1
0
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
t
0
t
1
t
2
t
3
t
4
t
5
t
59
t
60
t
61
t
62
t
63
(
“H”
level area of
Minimum bit
durations 0.5
μ
s
High-order 8 bit
value of DA latch
=
(
)
(
0.5
μ
s
44
0.5
μ
s
45
0.5
μ
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
μ
s
45
T = 8192
μ
s
[DA-L register]
00
τ
= 0.5
μ
s
…
…
…
…
…
…
相關(guān)PDF資料
PDF描述
M37212 SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
M37212M4 Single Chip 8 Bits Microcomputer(8位單片機(jī))
M37212M6 Single Chip 8 Bits Microcomputer(8位單片機(jī))
M37212M8 Single Chip 8 Bits Microcomputer(8位單片機(jī))
M37212EFSP Single Chip 8 Bits Microcomputer(8位單片機(jī))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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M37210M3-XXXSP 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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