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参数资料
| 型号： | MAX7313DATG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/26页 |
| 文件大小： | 0K |
| 描述： | IC EXPANDER 16PORT 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接口： | I²C |
| 输入/输出数： | 16 |
| 中断输出： | 是 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2 V ~ 3.6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
Compatibility with MAX7311
The MAX7313 is pin compatible and software compatible
with the standard register structure used by MAX7311,
PCA9535, and PCA9555. However, some MAX7311 func-
tions are not implemented in the MAX7313, and the
MAX7313’s PWM and blink functionality is not supported
in the MAX7311. Software compatibility is clearly not
100%, but the MAX7313 was designed so the subset
(omitted) features default to the same power-up behavior
as the MAX7311, PCA9535, and PCA9555, and superset
features do not use existing registers in a different way. In
practice, many applications can use the MAX7313 as a
drop-in replacement for the MAX7311.
Driving LED Loads
When driving LEDs, a resistor in series with the LED
must be used to limit the LED current to no more than
50mA. Choose the resistor value according to the fol-
lowing formula:
RLED = (VSUPPLY - VLED - VOL) / ILED
where:
RLED is the resistance of the resistor in series with the
LED (
).
VSUPPLY is the supply voltage used to drive the LED (V).
VLED is the forward voltage of the LED (V).
VOL is the output low voltage of the MAX7313 when
sinking ILED (V).
ILED is the desired operating current of the LED (A).
For example, to operate a 2.2V red LED at 14mA from a
5V supply, RLED = (5 - 2.2 - 0.25) / 0.014 = 182.
MAX7313
16-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
______________________________________________________________________________________________________
21
Table 13. Master, O16 Intensity Register
REGISTER DATA
REGISTER
ADDRESS
CODE
(HEX)
D7
D6
D5
D4
D3
D2
D1
D0
MSB
LSB
MSB
LSB
MASTER AND GLOBAL INTENSITY
R/
W
MASTER INTENSITY
O16 INTENSITY
Write master and global intensity
0
Read back master and global intensity
1
M3
M2
M1
M0
G3
G2
G1
G0
Master intensity duty cycle is 0/15 (off);
internal oscillator is disabled;
all outputs will be static with no PWM
—
0000
—
Master intensity duty cycle is 1/15
—
0001
—
Master intensity duty cycle is 2/15
—
0010
—
Master intensity duty cycle is 3/15
—
0011
—
————
———
Master intensity duty cycle is 13/15
—
1101
—
Master intensity duty cycle is 14/15
—
1110
—
Master intensity duty cycle is 15/15 (full)
—
1111
—
O16 intensity duty cycle is 1/16
—
0
O16 intensity duty cycle is 2/16
—
0
1
O16 intensity duty cycle is 3/16
—
0
1
0
—
————
———
O16 intensity duty cycle is 14/16
—
1
0
1
O16 intensity duty cycle is 15/16
—
1
0
O16 intensity duty cycle is 16/16
(static output, no PWM)
—
0X0E
—
———
1
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相关代理商/技术参数 |
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| MAX7313EVKIT+ | 功能描述:界面开发工具 Evaluation Kit for the MAX7313 RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
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| MAX7314AEG | 功能描述:外围驱动器与原件 - PCI 18-Port GPIO RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| MAX7314AEG+ | 功能描述:外围驱动器与原件 - PCI 18-Port GPIO RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| MAX7314AEG+T | 功能描述:外围驱动器与原件 - PCI 18-Port GPIO RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
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