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參數(shù)資料
| 型號(hào)： | LP5526TL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 4 Mbit Uniform Sector, Serial Flash Memory |
| 中文描述： | LED DISPLAY DRIVER, PBGA25 |
| 封裝： | 2.54 X 2.54 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, BGA-25 |
| 文件頁(yè)數(shù)： | 22/33頁(yè) |
| 文件大?。?/td> | 1150K |
| 代理商： | LP5526TL |
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General Purpose I/O Functionality
LP5526 has three general purpose I/O pins: GPIO[0]/PWM,
GPIO[1] and GPIO[2]. GPIO[0]/PWM can also be used as a
PWM input for the external LED PWM controlling. GPIO
bi-directional drivers are operating from the V
DDIO
supply
domain.
Registers for GPIO are as follows:
GPIO CONTROL (06H)
Bit
4
Name
Description
Enable PWM pin
0 = disable
1 = enable
GPIO pin direction
0 = input
1 = output
EN_PWM_PIN
OEN[2:0]
2:0
GPIO DATA (07H)
Bit
2:0
Name
DATA[2:0]
Description
Data bits
GPIO control register is used to set the direction of each
GPIO pin. For example, by setting OEN0 bit high the
GPIO[0]/PWM pin acts as a logic output pin with data de-
fined DATA0 in GPIO data register. Note, that the EN_PW-
M_PIN bit overrides OEN0 state by forcing GPIO[0]/PWM to
act as PWM input. GPIO[1] and GPIO[2] pins can be se-
lected to be inputs or outputs, defined by OEN1 and OEN2
bit status. PWM functionality is valid only for GPIO[0]/PWM
pin. GPIO data register contains the data of GPIO pins.
When output direction is selected to GPIO pin, then GPIO
data register defines the output pin state. When GPIO data
register is read, it contains the state of the pin despite of the
pin direction.
Logic Interface Characteristics
(V
DDIO
= 1.65V...V
DD1,2
unless otherwise noted)
Symbol
Parameter
LOGIC INPUT SCL, SDA, GPIO[0:2]
V
IL
Input Low Level
V
IH
Input High Level
I
I
Logic Input Current
f
SCL
Clock Frequency
LOGIC INPUT NRST
V
IL
Input Low Level
V
IH
Input High Level
I
I
Input Current
t
NRST
Reset Pulse Width
LOGIC OUTPUT SDA
V
OL
Output Low Level
V
OH
Output High Level
I
L
Output Leakage Current
LOGIC OUTPUT GPIO[0:2]
V
OL
Output Low Level
V
OH
Output High Level
I
L
Output Leakage Current
Conditions
Min
Typ
Max
Units
0.2xV
DDIO
V
V
μA
kHz
0.8xV
DDIO
1.0
1.0
400
0.5
V
V
μA
μs
1.2
-1.0
10
1.0
I
SDA
= 3mA
I
SDA
= -3mA
V
SDA
= 2.8V
0.3
0.5
V
V
DDIO
0.5
V
DDIO
0.3
1.0
μA
I
GPIO
= 3 mA
I
GPIO
= -3 mA
V
GPIO
= 2.8V
0.3
0.5
V
V
μA
V
DDIO
0.5
V
DDIO
0.3
1.0
L
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| LP5526TL/NOPB | 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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