參數(shù)資料
型號： MC33972EW
廠商： Motorola, Inc.
英文描述： Multiple Switch Detection Interface with Suppressed Wake-Up
中文描述： 多交換檢測接口，具有抑制喚醒
文件頁數(shù)： 17/28頁
文件大?。?/td> 506K
代理商： MC33972EW
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33972
17
SPI Command Summary
Table 10
below provides a comprehensive list of SPI
commands recognized by the 33972 and the reset state of each
register.
Table 11
and
Table 12
contain the Serial Output (SO)
data for input voltages greater or less than the threshold level.
Open switches are always indicated with a logic [0], closed
switches are indicated with logic [1].
Table 10. SPI Command Summary
MSB
Command Bits
Setting Bits
LSB
I
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Switch Status
Command
0
0
0
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Settings Command
Bat=1, Gnd=0
(Default state = 1)
0
0
0
0
0
0
0
1
X
X
X
X
X
X
X
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
Wake-Up/Interrupt Bit
Wake-Up=1
Non-Wake-Up=0
(Default state = 1)
0
0
0
0
0
0
1
0
X
X
X
X
X
X
X
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
0
0
0
0
0
1
1
X
X
SG13 SG12 SG11 SG10
SG9
SG8
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
Metallic Command
Metallic = 1
Non-metallic = 0
(Default state = 1)
0
0
0
0
0
1
0
0
X
X
X
X
X
X
X
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
0
0
0
0
1
0
1
X
X
SG13 SG12 SG11 SG10
SG9
SG8
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
Analog Command
0
0
0
0
0
1
1
0
X
X
X
X
X
X
X
X
X
16mA
0
2.0mA
0
0
0
0
0
0
Wetting Current Timer
Enable Command
Timer ON = 1
Timer OFF = 0
(Default state = 1)
0
0
0
0
0
1
1
1
X
X
X
X
X
X
X
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
0
0
0
1
0
0
0
X
X
SG13 SG12 SG11 SG10
SG9
SG8
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
Tri-State Command
Input Tri-State=1
Input Active = 0
(Default state = 1)
0
0
0
0
1
0
0
1
X
X
X
X
X
X
X
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
0
0
0
1
0
1
0
X
X
SG13 SG12 SG11 SG10
SG9
SG8
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
Calibration Command
(Default state –
uncalibrated)
0
0
0
0
1
0
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Sleep Command
(Refer to
Sleep Mode
on page 18
.)
0
0
0
0
1
1
0
0
X
X
X
X
X
X
X
X
X
X
int
timer
int
timer
int
timer
scan
timer
scan
timer
scan
timer
Reset Command
0
1
1
1
1
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SO Response Will
Always Send
them
flg
int
flg
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
SG13 SG12 SG11 SG10
SG9
SG8
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
Table 11. Serial Output (SO) Bit Data
Type of Input
Input
Programmed
Voltage on
Input Terminal
SO SPI Bit
SP
Switch to Ground
SPn < 4.0 V
1
Switch to Ground
SPn > 4.0 V
0
Switch to Battery
SPn < 4.0 V
0
Switch to Battery
SPn > 4.0 V
1
SG
N/A
SGn < 4.0 V
1
N/A
SGn > 4.0 V
0
Table 12. Serial Output (SO) Response Register
SO Response Will
Always Send
them
flg
int
flg
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
SG13 SG12 SG11 SG10
SG9
SG8
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關代理商/技術參數(shù)
參數(shù)描述
MC33972EWR2 功能描述:多路器開關 IC MSDISW RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16
MC33972TEW 功能描述:接口 - 專用 MULTI-SW DETECT W/SUPRES RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59
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MC33975ATEK 功能描述:接口 - 專用 ENHANCED MULTI SW DETECT RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59
MC33975ATEKR2 功能描述:接口 - 專用 ENHANCED MULTI SW DETECT RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59
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