參數(shù)資料
型號: PC33975A
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Multiple Switch Detection Interface with Suppressed Wake-Up and 32mA Wetting Current
中文描述: 多交換檢測接口,具有抑制喚醒和32毫安濕電流
文件頁數(shù): 16/32頁
文件大小: 641K
代理商: PC33975A
Analog Integrated Circuit Device Data
Freescale Semiconductor
16
33975
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
TRI-STATE REGISTER
The
tri-state command
is use to set the SPn or SGn input
node as high impedance (refer to
Table 10
). By setting the
Tri-State Register bit to logic [1], the input will be high
impedance regardless of the metallic command setting. The
Table 10. Tri-State Command
comparator on each input remains active. This command
allows the use of each input as a comparator with a 4.0 V
threshold. The MCU may change or update the Tri-State
Register
via software at any time in Normal mode.
Table 9. Wetting Current Timer Enable Command
Wetting Current Timer Commands
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
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
sg1
3
sg1
2
sg1
1
sg1
0
sg9
sg8
sg7
sg6
sg5
sg4
sg3
sg2
sg1
sg0
Tri-State Commands
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
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PC33975AEK 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multiple Switch Detection Interface with Suppressed Wake-Up and 32mA Wetting Current
PC33975AR2 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multiple Switch Detection Interface with Suppressed Wake-Up and 32mA Wetting Current
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PC33984CHFKR2 制造商:Freescale Semiconductor 功能描述:
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