- 您现在的位置：买卖IC网 > PDF目录1945 > MAX7316AEE+T (Maxim Integrated Products)IC I/O EXPANDER I2C 16B 16QSOP PDF资料下载
参数资料
| 型号： | MAX7316AEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 23/24页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接口： | I²C，SM 总线 |
| 输入/输出数： | 10 |
| 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： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
MAX7316
Serial Interface
Serial Addressing
The MAX7316 operates as a slave that sends and
receives data through an I2C-compatible 2-wire inter-
face. The interface uses a serial data line (SDA) and a
serial clock line (SCL) to achieve bidirectional commu-
nication between master(s) and slave(s). A master (typ-
ically a microcontroller) initiates all data transfers to and
from the MAX7316 and generates the SCL clock that
synchronizes the data transfer (Figure 2).
The MAX7316 SDA line operates as both an input and
an open-drain output. A pullup resistor, typically 4.7k
Ω,
is required on SDA. The MAX7316 SCL line operates
only as an input. A pullup resistor, typically 4.7k
Ω, is
required on SCL if there are multiple masters on the 2-
wire interface, or if the master in a single-master system
has an open-drain SCL output.
Each transmission consists of a START condition
(Figure 3) sent by a master, followed by the MAX7316
7-bit slave address plus R/W bit, a register address
byte, one or more data bytes, and finally a STOP condi-
tion (Figure 3).
Start and Stop Conditions
Both SCL and SDA remain high when the interface is
not busy. A master signals the beginning of a transmis-
sion with a START (S) condition by transitioning SDA
from high to low while SCL is high. When the master
has finished communicating with the slave, it issues a
STOP (P) condition by transitioning SDA from low to
high while SCL is high. The bus is then free for another
transmission (Figure 3).
Bit Transfer
One data bit is transferred during each clock pulse.
The data on SDA must remain stable while SCL is high
(Figure 4).
Acknowledge
The acknowledge bit is a clocked 9th bit that the recipi-
ent uses to handshake receipt of each byte of data
(Figure 5). Thus, each byte transferred effectively
requires 9 bits. The master generates the 9th clock
pulse, and the recipient pulls down SDA during the
acknowledge clock pulse so the SDA line is stable low
during the high period of the clock pulse. When the
master is transmitting to the MAX7316, the device gen-
erates the acknowledge bit because the MAX7316 is
the recipient. When the MAX7316 is transmitting to the
master, the master generates the acknowledge bit
because the master is the recipient.
Slave Address
The MAX7316 has a 7-bit long slave address (Figure 6).
The eighth bit following the 7-bit slave address is the
R/W bit. The R/W bit is low for a write command, high
for a read command.
10-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
8
_______________________________________________________________________________________
Figure 3. Start and Stop Conditions
SDA
SCL
START
CONDITION
STOP
CONDITION
SP
Figure 4. Bit Transfer
SDA
SCL
DATA LINE STABLE;
DATA VALID
CHANGE OF DATA
ALLOWED
Figure 5. Acknowledge
SCL
SDA BY
TRANSMITTER
CLOCK PULSE
FOR ACKNOWLEDGE
START
CONDITION
SDA BY
RECEIVER
12
89
S
Figure 6. Slave Address
SDA
SCL
1
MSB
LSB
ACK
00
A6
0
A2
R/W
相关PDF资料 |
PDF描述 |
|---|---|
| MAX7317AEE+T | IC I/O EXPANDER SPI 10B 16QSOP |
| MAX7318ATG+T | IC I/O EXPANDER I2C 16B 24TQFN |
| MAX7319ATE+ | IC I/O EXPANDER I2C 8B 16TQFN-EP |
| MAX7320ATE+T | IC I/O EXPANDER I2C 8B 16TQFN-EP |
| MAX7321AEE+ | IC I/O EXPANDER I2C 8B 16QSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7316ATE | 功能描述:接口-I/O扩展器 10-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7316ATE+ | 功能描述:接口-I/O扩展器 10-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7316ATE+T | 功能描述:接口-I/O扩展器 10-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7316ATE-T | 功能描述:接口-I/O扩展器 10-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7317 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Port SPI-Interfaced I/O Expander with Overvoltage and Hot-Insertion Protection |
发布紧急采购，3分钟左右您将得到回复。