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參數(shù)資料
| 型號(hào)： | MCZ33993EW |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 英文描述： | Multiple Switch Detection Interface |
| 中文描述： | 多交換檢測(cè)接口 |
| 文件頁(yè)數(shù)： | 16/28頁(yè) |
| 文件大?。?/td> | 504K |
| 代理商： | MCZ33993EW |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
16
33993
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
SPI COMMAND SUMMARY
Table 14
below provides a comprehensive list of SPI
commands recognized by the 33993 and the reset state of
each register.
Table 15
and
Table 16
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 14. 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
Nonwake-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
SG1
3
SG1
2
SG1
1
SG1
0
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
SG1
3
SG1
2
SG1
1
SG1
0
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
16m
A
0
2.0m
A
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
SG1
3
SG1
2
SG1
1
SG1
0
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
SG1
3
SG1
2
SG1
1
SG1
0
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
(See
Sleep Mode
on page 17
)
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 SP0S3
SG1
2
SG1
1
SG1
0
SG9 SG8 SG7 SG6 SG5 SG4 SG3 SG2 SG1 SG0
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