參數(shù)資料
型號: LP3958TL
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 顯示驅動器
英文描述: Lighting Management Unit with High Voltage Boost Converter
中文描述: LED DISPLAY DRIVER, PBGA25
封裝: 2.54 X 2.54 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, MICRO SMD PACKAGE-25
文件頁數(shù): 27/28頁
文件大?。?/td> 1091K
代理商: LP3958TL
LP3958 Register Bit Explanations
(Continued)
ENABLES (0BH) – ENABLES REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
NSTBY
RW - 0
EN_BOOST
RW - 0
EN_AUTOLOAD
RW - 1
R - 0
R - 0
R - 0
R - 0
R - 0
NSTBY
Bit 6
0 – LP3958 standby mode
1 – LP3958 active mode
0 – Boost converter disabled
1 – Boost converter enabled
0 – Boost active load disabled
1 – Boost active load enabled
EN_BOOST
Bit 5
EN_AUTOLOAD
Bit 2
BOOST OUTPUT (0DH) – BOOST OUTPUT VOLTAGE CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
BOOST[7:0]
RW - 0
RW - 0
RW - 0
RW - 0
RW - 1
RW - 0
RW - 0
RW - 0
BOOST output voltage adjustment
BOOST[7:0]
Typical boost output voltage (V)
0000 1000
0000 1001
0000 1010
0000 1011
0000 1100
0000 1101
0000 1110
0000 1111
0001 0000
0001 0001
0001 0010
8.00
9.00
10.00
11.00
12.00
13.00
14.00
15.00
16.00
17.00
18.00
PWM ENABLE (2BH) – EXTERNAL PWM CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
EN_EXT_K1_PWM
RW - 0
EN_EXT_K2_PWM
RW - 0
EN_EXT_K3_PWM
RW - 0
EN_MAIN_PWM
RW - 0
EN_SUB_PWM
RW - 0
R - 0
R - 0
R - 0
EN_EXT_K1_PWM
Bit 4
0 – External PWM control for KEY1 disabled
1 – External PWM control for KEY1 enabled
0 – External PWM control for KEY2 disabled
1 – External PWM control for KEY2 enabled
0 – External PWM control for KEY3 disabled
1 – External PWM control for KEY3 enabled
0 – External PWM control for MAIN disabled
1 – External PWM control for MAIN enabled
0 – External PWM control for SUB disabled
1 – External PWM control for SUB enabled
EN_EXT_K2_PWM
Bit 3
EN_EXT_K3_PWM
Bit 2
EN_EXT_MAIN_PWM
Bit 1
EN_EXT_SUB_PWM
Bit 0
L
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