參數(shù)資料
型號(hào): SX8722I070TRLF
廠商: Semtech
文件頁(yè)數(shù): 90/108頁(yè)
文件大?。?/td> 0K
描述: IC ZOOMING ADC 10BIT 16CH 44MLPQ
標(biāo)準(zhǔn)包裝: 1
類型: 壓力傳感器
輸入類型: 邏輯
輸出類型: 邏輯
接口: I²C
電流 - 電源: 300µA
安裝類型: 表面貼裝
封裝/外殼: 44-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 44-MLPQ(7x7)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 585 (CN2011-ZH PDF)
配用: XE8000EV120-ND - BOARD EVAL FOR SX8722I070TRLF
其它名稱: SX8722I070LFDKR
ACS - Revision 4.2
October 2008
2008 Semtech Corp.
www.semtech.com
Page 82
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
SX8722
High gain acquisition for sensor interface
14.2. Register description
The register descriptions are presented here in ascending order of Register Address. Some registers carry several individual
data fields of various sizes; from single-bit values (e.g. flags), upwards. Some data fields are spread across multiple
registers. Unused bits are 'don't care' and writing either 0 or 1 will not affect any function of the device. After power on reset
the registers will have the values indicated in the tables "Reset" column.
14.2.1. SX8722 general configuration
Table 60. SXCtrl1 (0x00)
Table 61. SXCtrl2 (0x01)
Bit
Bit Name
Mode
Reset
Description
7
EE_D
r
x
Indicates if an EEPROM was detected at startup
6
XTAL_D
r
x
Indicates if an XTAL was detected at startup
5
CKOUT
rw
0
Enabled the clock output on CKOUT pin
4
RESERVED
rw
0
3
EE
r
0
Is set to 1 when SX8722 loaded its configuration from the
EEPROM at startup.
2
SLEEP
rw
0
When set to 1 his bit activates the Sleep mode of the SX8722.
Setting pin SLEEP to 1 has the same effect.
1
SHUT
rw
0
When set to 1 his bit activates the Shutdown mode of the
SX8722. Setting pin SHUT to 1 has the same effect.
0
CAL
r
0
This flag shows if the SX8722 clock has been successfully
calibrated.
Bit
Bit name
Mode
Reset
Description
7:4
reserved
r
x
3
AL1OnC
rw
0
Sets the logical condition for alarm 1 on (0 = OR, 1 = AND)
2
AL1OffC
rw
0
Sets the logical condition for alarm 1 off (0 = OR, 1 = AND)
1
AL2OnC
rw
0
Sets the logical condition for alarm 2 on (0 = OR, 1 = AND)
0
AL2OffC
rw
0
Sets the logical condition for alarm 2 off (0 = OR, 1 = AND)
Bit
Name
Mode
Reset
Description
7:4
reserved
r
x
3
CONF4
rw
0
Configuration 4 enabling
2
CONF3
rw
0
Configuration 3 enabling
1
CONF2
rw
0
Configuration 2 enabling
Not
Recommended
for
New
Designs
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