參數(shù)資料
型號: LP3958TLX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 顯示驅(qū)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): 24/28頁
文件大?。?/td> 1091K
代理商: LP3958TLX
LP3958 Register Bit Explanations
Each register is shown with a key indicating the accessibility of the each individual bit, and the initial condition:
Register Bit Accessibility and Initial Condition
Key
Bit Accessibility
RW
Read/write
R
Read only
–0,–1
Condition after POR
CONTROL REGISTER (00H) – KEYPAD LEDS CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
KEYP_PWM
RW - 0
EN_KEYP
RW - 0
CC_SW
RW - 1
K1SW
RW - 0
K2SW
RW - 0
K3SW
RW - 0
R - 0
R - 0
KEYP_PWM
Bit 7
0 - Internal KEYPAD PWM control disabled
1 - Internal KEYPAD PWM control enabled
0 – KEYPAD outputs disabled
1 – KEYPAD outputs enabled
0 – Constant current sink mode
1 – Switch mode
0 – KEYPAD1 disabled
1 – KEYPAD1 enabled
0 – KEYPAD2 disabled
1 – KEYPAD2 enabled
0 – KEYPAD3 disabled
1 – KEYPAD3 enabled
EN_KEYP
Bit 6
CC_SW
Bit 5
K1SW
Bit 3
K2SW
Bit 2
K3SW
Bit 1
KEYPAD (01H) – KEYPAD BALANCE AND BRIGHTNESS CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
OVL
RW - 0
BALANCE[2:0]
RW - 0
BRIGHT[2:0]
RW - 0
R - 0
RW - 0
RW - 0
RW - 0
RW - 0
BALANCE[2:0]
BRIGHT[2:0]
Bits 6-4
Bits 3-1
PWM balance for KEYPAD outputs
PWM brightness control for KEYPAD outputs
0 – Overlapping mode disabled
1 – Overlapping mode enabled
OVL
Bit 0
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LP395Z 功能描述:兩極晶體管 - BJT RoHS:否 制造商:STMicroelectronics 配置: 晶體管極性:PNP 集電極—基極電壓 VCBO: 集電極—發(fā)射極最大電壓 VCEO:- 40 V 發(fā)射極 - 基極電壓 VEBO:- 6 V 集電極—射極飽和電壓: 最大直流電集電極電流: 增益帶寬產(chǎn)品fT: 直流集電極/Base Gain hfe Min:100 A 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PowerFLAT 2 x 2
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LP395Z/LFT1 功能描述:兩極晶體管 - BJT RoHS:否 制造商:STMicroelectronics 配置: 晶體管極性:PNP 集電極—基極電壓 VCBO: 集電極—發(fā)射極最大電壓 VCEO:- 40 V 發(fā)射極 - 基極電壓 VEBO:- 6 V 集電極—射極飽和電壓: 最大直流電集電極電流: 增益帶寬產(chǎn)品fT: 直流集電極/Base Gain hfe Min:100 A 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PowerFLAT 2 x 2
LP395Z/LFT2 功能描述:兩極晶體管 - BJT RoHS:否 制造商:STMicroelectronics 配置: 晶體管極性:PNP 集電極—基極電壓 VCBO: 集電極—發(fā)射極最大電壓 VCEO:- 40 V 發(fā)射極 - 基極電壓 VEBO:- 6 V 集電極—射極飽和電壓: 最大直流電集電極電流: 增益帶寬產(chǎn)品fT: 直流集電極/Base Gain hfe Min:100 A 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PowerFLAT 2 x 2