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參數(shù)資料
| 型號： | MAX6957 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander |
| 中文描述： | 4線接口、2.5V至5.5V、20端口或28端口LED顯示驅動器及輸入/輸出擴展器 |
| 文件頁數(shù)： | 16/23頁 |
| 文件大小： | 333K |
| 代理商： | MAX6957 |
M
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port LED Display Driver and I/O Expander
16
______________________________________________________________________________________
Table 5. Configuration Register Format
REGISTER DATA
D4
X
FUNCTION
ADDRESS CODE
(HEX)
D7
M
D6
I
D5
X
D3
X
D2
X
D1
X
D0
S
Configuration Register
X = Don’t care bit.
0x04
Table 6. Shutdown Control (S Data Bit D0) Format
REGISTER DATA
D4
X
X
FUNCTION
ADDRESS CODE
(HEX)
D7
M
M
D6
I
I
D5
X
X
D3
X
X
D2
X
X
D1
X
X
D0
0
1
Shutdown
Normal Operation
X = Don’t care bit.
0x04
0x04
REGISTER DATA
D4
FUNCTION
ADDRESS
CODE (HEX)
D7
D6
D5
D3
D2
D1
D0
Global
Constant-current limits for all digits are
controlled by one setting in the Global Current
register, 0x02
0x04
M
0
X
X
X
X
X
S
Individual Segment
Constant-current limit for each digit is
individually controlled by the settings in the
Current054 through Current1FE registers
X = Don’t care bit.
0x04
M
1
X
X
X
X
X
S
Table 7. Global Current Control (I Data Bit D6) Format
Table 8. Transition Detection Control (M-Data Bit D7) Format
REGISTER DATA
D4
X
X
FUNCTION
ADDRESS CODE
(HEX)
D7
0
1
D6
I
I
D5
X
X
D3
X
X
D2
X
X
D1
X
X
D0
S
S
Disabled
Enabled
0x04
0x04
Table 9. Global Segment Current Register Format
LED DRIVE
FRACTION
TYPICAL SEGMENT
CURRENT (mA)
ADDRESS
CODE (HEX)
D7
D6
D5
D4
D3
D2
D1
D0
HEX CODE
1/16
2/16
3/16
4/16
5/16
1.5
3
4.5
6
7.5
0x02
0x02
0x02
0x02
0x02
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
0xX0
0xX1
0xX2
0xX3
0xX4
X = Don’t care bit.
X = Don’t care bit.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6957AAI | 功能描述:LED顯示驅動器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX6957AAI+ | 功能描述:LED顯示驅動器 2.5-5.5V 20/28Port LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX6957AAI+T | 功能描述:LED顯示驅動器 2.5-5.5V 20/28Port LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX6957AAI-T | 功能描述:LED顯示驅動器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX6957AAX | 功能描述:LED顯示驅動器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
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