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参数资料
| 型号： | MAX6956AAI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/24页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER LED PORT 20/28 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 显示器类型： | LED |
| 接口： | I²C |
| 电流 - 电源： | 180µA |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
28-Port LED Display Driver and I/O Expander
START CONDITION
SCL
CLOCK PULSE FOR ACKNOWLEDGMENT
1
2
8
9
SDA
BY TRANSMITTER
S
SDA
BY RECEIVER
Figure 5. Acknowledge
SDA
1
0
0
A3
A2
A1
A0
R/W
ACK
MSB
SCL
Figure 6. Slave Address
MAX6956 is the recipient. When the MAX6956 is trans-
mitting to the master, the master generates the
acknowledge bit because the master is the recipient.
Slave Address
The MAX6956 has a 7-bit-long slave address (Figure 6).
The eighth bit following the 7-bit slave address is the
R/ W bit. It is low for a write command, high for a read
command.
The first 3 bits (MSBs) of the MAX6956 slave address
are always 100. Slave address bits A3, A2, A1, and A0
are selected by address inputs, AD1 and AD0. These
two input pins may be connected to GND, V+, SDA, or
SCL. The MAX6956 has 16 possible slave addresses
(Table 3) and therefore, a maximum of 16 MAX6956
devices may share the same interface.
Message Format for Writing
the MAX6956
A write to the MAX6956 comprises the transmission of
the MAX6956’s slave address with the R/ W bit set to
zero, followed by at least 1 byte of information. The first
LSB
byte of information is the command byte. The com-
mand byte determines which register of the MAX6956
is to be written by the next byte, if received. If a STOP
condition is detected after the command byte is
received, then the MAX6956 takes no further action
(Figure 8) beyond storing the command byte.
Any bytes received after the command byte are data
bytes. The first data byte goes into the internal register of
the MAX6956 selected by the command byte (Figure 9). If
multiple data bytes are transmitted before a STOP condi-
tion is detected, these bytes are generally stored in subse-
quent MAX6956 internal registers because the command
byte address generally autoincrements (Table 4).
Message Format for Reading
The MAX6956 is read using the MAX6956’s internally
stored command byte as address pointer, the same
way the stored command byte is used as address
pointer for a write. The pointer generally autoincre-
ments after each data byte is read using the same rules
as for a write (Table 4). Thus, a read is initiated by first
configuring the MAX6956’s command byte by perform-
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6956AAI+ | 功能描述:LED显示驱动器 2.5-5.5V 20/28Port LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6956AAI+T | 功能描述:LED显示驱动器 2.5-5.5V 20/28Port LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6956AAI-T | 功能描述:LED显示驱动器 RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6956AAX | 功能描述:LED显示驱动器 RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6956AAX/V+ | 功能描述:LED显示驱动器 2.5-5.5V 20/28Port LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
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