SX8722I070LF SEMTECH [Semtech Corporation], SX8722I070LF Datasheet - Page 46

• Manufacturer Part Number: SX8722I070LF
• Description: High gain acquisition for sensor interface
• Manufacturer: SEMTECH [Semtech Corporation]

11.6. I2C EEPROM
11.6.1. Overview
The SX8722 can interface a Standard I2C EEPROM. This allows:
The EE_POW pin allows the SX8722 to power the EEPROM in order to guarantee the lowest power having the EEPROM
unpowered when unused.
When no EEPROM is used, the EE_SDA pin must be tied to ground.
11.6.2. Schematic
The schematic below shows the connections using standard I2C EEPPROM.
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
Stand alone usage.
Parameters saving by save command.
Parameters restore by load command.
Differential
AR1P
AR1N
AR2P
AR2N
BIAS
AC7
AC6
AC5
AC4
AC3
AC2
AC1
AC0
October 2008
SX8722
Figure 26. EEPROM connection
PGA
POST-PROCESS
ZoomingADC
Page 46
ADC
TM
High gain acquisition for sensor interface
CONTROL
POWER
EEPROM
OSC
I
2
C
VMULT
READY
CKOUT
VBATT
ALRM1
ALRM2
RESET
SLEEP
VREG
XOUT
SHUT
GND
SDA
CAL
SCL
XIN
DATASHEET
www.semtech.com
SX8722
VBATT
SCL
SDA
GPIO
MCU