參數(shù)資料
型號： AD7877ACPZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 32/45頁
文件大小： 0K
描述： IC ADC 12BIT TOUCHSCREEN 32LFCSP
標(biāo)準(zhǔn)包裝： 5,000
類型： 電阻
觸摸面板接口： 4 線
輸入數(shù)/鍵： 1 TSC
分辨率（位）： 12 b
評估套件： 可供
數(shù)據(jù)接口： 串行，SPI?
數(shù)據(jù)速率/采樣率 (SPS，BPS)： 125k
電壓基準(zhǔn)： 外部，內(nèi)部
電源電壓： 2.7 V ~ 5.25 V
電流 - 電源： 1µA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 32-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 32-LFCSP-VQ
包裝： 帶卷 (TR)
配用： EVAL-AD7877EBZ-ND - BOARD EVALUATION FOR AD7877
Data Sheet
AD7877
Rev. D | Page 37 of 44
Register Name: Alert Status/Enable Register
Write Address: 0011
Read Address:
00011
Default Value:
0x000
Type:
Read/write
Table 18.
Bit
Name
Read/Write
Description
0
AUX1LO
R/W
When this bit is 1, the AUX1 channel is below its low limit
1
BAT1LO
R/W
When this bit is 1, the BAT1 channel is below its low limit
2
BAT2LO
R/W
When this bit is 1, the BAT2 channel is below its low limit
3
TEMP1LO
R/W
When this bit is 1, the TEMP1 channel is above its low limit
4
AUX1HI
R/W
When this bit is 1, the AUX1 channel is above its high limit
5
BAT1HI
R/W
When this bit is 1, the BAT1 channel is above its high limit
6
BAT2HI
R/W
When this bit is 1, the BAT2 channel is above its high limit
7
TEMP1HI
R/W
When this bit is 1, the TEMP1 channel is below its high limit
8
AUX1EN
R/W
Setting this bit enables AUX1 as an interrupt source to the ALERT output
9
BAT1EN
R/W
Setting this bit enables BAT1 as an interrupt source to the ALERT output
10
BAT2EN
R/W
Setting this bit enables BAT2 as an interrupt source to the ALERT output
11
TEMP1EN
R/W
Setting this bit enables TEMP1 as an interrupt source to the ALERT output
Register Name: AUX1 High Limit
Write Address: 0100
Read Address:
00100
Default Value:
0x000
Type:
Read/write
This register contains the 12-bit high limit for Auxiliary Input 1.
Register Name: AUX1 Low Limit
Write Address: 0101
Read Address:
00101
Default Value:
0x000
Type:
Read/write
This register contains the 12-bit low limit for Auxiliary Input 1.
Register Name: BAT1 High Limit
Write Address: 0110
Read Address:
00110
Default Value:
0x000
Type:
Read/write
This register contains the 12-bit high limit for Battery
Monitoring Input 1.
Register Name: BAT1 Low Limit
Write Address: 0111
Read Address:
00111
Default Value:
0x000
Type:
Read/write
This register contains the 12-bit low limit for Battery
Monitoring Input 1.
Register Name: BAT2 High Limit
Write Address: 1000
Read Address:
01000
Default Value:
0x000
Type:
Read/write
This register contains the 12-bit high limit for Battery
Monitoring Input 2.
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