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| 型號(hào)： | MTV121 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Super On-Screen-Display for LCD Monitor |
| 中文描述： | 超級(jí)屏幕為液晶顯示器面板 |
| 文件頁(yè)數(shù)： | 13/18頁(yè) |
| 文件大小： | 220K |
| 代理商： | MTV121 |
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MTV121 Revision 5.0 06/29/1999
MTV121
MYSON
TECHNOLOGY
3.11 PWM D/A converter
There are 8 open-drain PWM D/A outputs (PWM0 to PWM7). These PWM D/A converter outputs pulse width
are programmable by writing data to Column 19 to 26 registers of Row 15 with 8-bit resolution to control the
pulse width duration from 0/256 to 255/256. And the sampling rate is selected by (PWM1, PWM0) shown as
table 5. In applications, all open-drain output pins should be pulled-up by external resistors to supply voltage
(5V to 9V) for desired output range.
PWMDA0 - PWMDA7 - Define the output pulse width of pin PWM0 to PWM7.
FIGURE 7. 8 Channel PWM Output Rising Edges Are Separated by Half PWMCK
Note: The byte is reserved for the testing. Write “ Ax ” will enter into test mode and write “ 00 ” in
normal operation.
4.0 ABSOLUTE MAXIMUM RATINGS
DC Supply Voltage(VDD)
Voltage with respect to Ground
Storage Temperature
Ambient Operating Temperature
-0.3 to +7 V
-0.3 to VDD+0.3 V
-65 to +150
o
C
0 to +70
o
C
5.0 OPERATING CONDITIONS
DC Supply Voltage(VDD)
Operating Temperature
+4.75 to +5.25 V
0 to +70
o
C
Column 23
|
Column 30
b7
b6
b5
b4
PWMDA0
|
PWMDA7
b3
b2
b1
b0
MSB
LSB
Column 31
B7
0
b6
0
b5
0
b4
0
b3
0
b2
0
b1
0
b0
0
255
0
1
2
3
255
0
1
2
3
m
m+1
PWMCK
PWM0
PWM1
PWM2
PWM6
PWM7
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相關(guān)代理商/技術(shù)參數(shù) |
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| MTV1-21PL1 | 制造商:ITT Interconnect Solutions 功能描述:MTV1-21PL1 - Bulk |
| MTV1-21PS | 制造商:ITT Interconnect Solutions 功能描述:MTV1-21PS - Bulk |
| MTV1-21SAL1 | 制造商:ITT Interconnect Solutions 功能描述:MTV1-21SAL1 - Bulk |
| MTV1-21SH001 | 制造商:ITT Interconnect Solutions 功能描述:MTV1-21SH001 - Bulk |
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