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参数资料
| 型号： | MCZ33972EWR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 10/32页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH DETECTION MULT 32-SOIC |
| 标准包装： | 1,000 |
| 应用： | 开关监控 |
| 接口： | SPI |
| 电源电压： | 8 V ~ 26 V |
| 封装/外壳： | 32-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 32-SOIC |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
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Analog Integrated Circuit Device Data
18
Freescale Semiconductor
33972
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
RESET
The reset command resets all registers to Power-ON
Reset (POR) state. Refer to Table 15, page 18, for POR
states or the paragraph entitled Power-ON Reset (POR) on
page 14 of this datasheet.
SPI COMMAND SUMMARY
Table 15 below provides a comprehensive list of SPI
commands recognized by the 33972 and the reset state of
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 14. Reset Command
Reset Command
Command Bits
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
X
Table 15. SPI Command Summary
MSB
Command Bits
Setting Bits
LSBI
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
X
Settings Command
Bat=1, Gnd=0
(Default state = 1)
0
1
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
Wake-Up/Interrupt Bit
Wake-Up=1
Non-Wake-Up=0
(Default state = 1)
0
1
0
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
1
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
1
0
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
1
0
1
X
SG13 SG12 SG11 SG10 SG9 SG8 SG7 SG6
SG5
SG4 SG3 SG2 SG1 SG0
Analog Command
0
1
0
X
16mA
0
2.0mA
0
Wetting Current Timer
Enable Command
Timer ON = 1
Timer OFF = 0
(Default state = 1)
0
1
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
1
0
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
1
0
1
X
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
0
1
0
1
0
X
SG13 SG12 SG11 SG10 SG9 SG8 SG7 SG6
SG5
SG4 SG3 SG2 SG1 SG0
Calibration Command
(Default state –
uncalibrated)
0
1
0
1
X
Sleep Command
(Refer to Sleep Mode
0
1
0
X
int
timer
int
timer
int
timer
scan
timer
scan
timer
scan
timer
Reset Command
0
1
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
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相关代理商/技术参数 |
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| MCZ33972TEW | 制造商:Freescale Semiconductor 功能描述:MULTI-SW DETECT W/SUPRES - Bulk |
| MCZ33972TEW/R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Multiple Switch Detection Interface with Suppressed Wake-up |
| MCZ33972TEWR2 | 制造商:Freescale Semiconductor 功能描述:MULTI-SW DETECT W/SUPRES - Tape and Reel |
| MCZ33975AEK | 功能描述:输入/输出控制器接口集成电路 ENHANCED MULTI SW DETECT RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
| MCZ33975AEKR2 | 功能描述:接口 - 专用 ENHANCED MULTI SW DETECT RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
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