参数资料
型号: SX8723CWLTDT
厂商: Semtech
文件页数: 32/67页
文件大小: 0K
描述: IC DAS ADC 16BIT I2C/SRL
标准包装: 1
系列: ZoomingADC™
类型: 数据采集系统(DAS)
输入类型: 差分
输出类型: 数字
接口: I²C
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
供应商设备封装: 12-MLPD-EP(4x4)
包装: 标准包装
其它名称: SX8723CWLTDTDKR
www.semtech.com/products/
Page 38
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
SX8723C
ZoomingADC for sensing data acquisition
Revision 1.01
January 2011
Semtech
9 I2C Interface
The I2C interface gives access to the chip registers. It complies with the I2C protocol specifications, restricted to the
slave side of the communication.
The device uses a Generic Fast-Mode (400 KHz) I2C Slave Interface in accordance with the I2C bus standard. Its
characteristics can be summarized as follows:
9.1 General Features
Slave only operation
Fast mode operation (up to 400 kHz)
Combined read and write mode support
General call reset support
7-bits default slave address 0x48. Can be changed by fuse and by pinout (D0 and D1).
The interface handles I2C communication at the transaction level. A read transaction is an external request to get the
content of system memory location and a write transaction is an external request to write the content of a system
memory location.
The default I2C slave address is 0x48, 1001000 in binary. This is the standard part I2C slave address. Other addresses
between 1000000 and 1001111 are available.
9.2 Other Slave Address Options
Slave address might be diffenciated (2 fuse-programmed bits + 2 LSBs given by 2 GPIO inputs):
Address bit 3 and bit 2 (100XXxx ) can be changed in production by fuse. Other values are available by special
request. Please contact Semtech Sales for more information. Otherwise, default value is “00”.
The last significant bits (100xxXX ) can be defined by the GPIO pin D0 and D1. This mode is not set by default at
startup, it must be activated in a register with a command. Default value is “00”.
100 XX XX
Fi
x
e
d
Fus
e
pro
g
ra
mme
d
Se
te
x
te
rnal
ly
(op
ti
ona
l)
0
1
2
3
4
5
6
Address bit:
Not
Recommended
for
New
Designs
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