參數(shù)資料
型號(hào): XE8000EV120
廠商: Semtech
文件頁數(shù): 22/108頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR SX8722I070TRLF
標(biāo)準(zhǔn)包裝: 1
系列: ZoomingADC™
ADC 的數(shù)量: 1
位數(shù): 16
數(shù)據(jù)接口: I²C
工作溫度: -40°C ~ 125°C
已用 IC / 零件: SX8722
已供物品: 板,CD
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: SX8722I070LFDKR-ND - IC ZOOMING ADC 10BIT 16CH 44MLPQ
SX8722I070LFCT-ND - IC ZOOMING ADC 10BIT 16CH 44MLPQ
SX8722I070LFTR-ND - IC ZOOMING ADC 10BIT 16CH 44MLPQ
其它名稱: XM8000EV120
XM8000EV120-ND
ACS - Revision 4.2
October 2008
2008 Semtech Corp.
www.semtech.com
Page 20
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
SX8722
High gain acquisition for sensor interface
6. Access the SX8722
6.1. Description
The SX8722 is configured trough register sets and general control registers.
All the accesses to the SX8722 registers are done through the I2C interface using read and write commands.
The next paragraph describes two approaches to configure the SX8722
6.2. SX8722 configuration
As it will be shown in the next chapter there are two ways to write data in the SX8722 registers:
Direct write: This command writes 8 bits to a defined address. This implies knowledge of the value to be written to this
address.
Masked write: This command can write a single bit in a byte using a mask.
7. I2C Commands
This chapter describes the commands that are coded in the SX8722.
The SX8722 commands are summarized below, detailed timing diagrams can be found “Serial Communication” chapter.
Table 4. SX8722 commands
Type
Command
Description
Byte
Data access
write_direct
Writes 8bit data to a given address
0x10
write_masked
Writes bits to given address using a given mask
0x20
read
Reads 8bit data from a given address
0x30
Power modes
sleep
Sets the SX8722 to sleep mode
0x40
shutdown
Sets the SX8722 to sleep mode
0x50
reset
Resets the SX8722
0x60
EEPROM
save_eeprom
Saves the SX8722 registers in the external EEPROM (if present)
0x70
load_eeprom
Loads the SX8722 registers in the external EEPROM (if present)
0x80
Not
Recommended
for
New
Designs
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