參數(shù)資料
型號(hào): MC33884
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Switch Monitor Interface(開關(guān)監(jiān)控器接口)
中文描述: 開關(guān)顯示器接口(開關(guān)監(jiān)控器接口)
文件頁數(shù): 12/20頁
文件大?。?/td> 331K
代理商: MC33884
12
PROGRAMMING AND CONFIGURATION DESCRIPTION
SPI Commands from Microcontroller
Command Protocol (Data into SI)
Table 1: SPI Command Protocol
MSB
Bit
LSB
Bit
Command
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Sleep [DEFAULT]
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
Run
0
0
0
1
MOD2
MOD1
ST3
ST2
ST1
WT2
WT1
CP4
CP3
CP2
CP1
Tri–State
0
0
1
1
TG6
TG5
TG4
TG3
TG2
TG1
TP4
TP3
TP2
TP1
TB2
TB1
Metallic
0
1
0
1
MG6
MG5
MG4
MG3
MG2
MG1
MP4
MP3
MP2
MP1
MB2
MB1
IC Test Mode
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
RESET VALUES:
Run Register
U
U
U
U
U
U
U
U
U
U
U
U
Tri–State Register
0
0
0
0
0
0
0
0
0
0
0
0
Metallic Register
U
U
U
U
U
U
U
U
U
U
U
U
U: Unknown value coming out of Sleep mode; must configure with Run and Metallic commands.
NOTE: the remaining combinations of Bits [16:13] are NON–FUNCTIONAL (0010, 0100, 0110, 0111)
LABEL DEFINITIONS
MOD[2:1]
Operating Mode
ST[3:1]
Sample OFF Time
CP[4:1]
Configure Programmable Switch
WT[3:1]
Wake–Up Time
TG[6:1]
Tri–State Switch–to–Ground
MG[6:1]
Metallic Switch–to–Ground
TB[2:1]
Tri–State Switch–to–Battery
MB[2:1]
Metallic Switch–to–Battery
TP[4:1]
Tri–State Programmable Switch
MP[4:1]
Metallic Programmable Switch
Sleep Command
The Sleep command places the IC in Sleep mode and essentially turns off the part. By definition, a hardware reset sends/keeps
the IC in Sleep mode. All inputs are Tri–Stated, disabling all input blocks and all internal pull–ups/pull–downs. Only a SPI command
can take the IC out of Sleep mode. Exiting this mode requires a valid Run, Tri–State, or Metallic command.
MSB
Bit
LSB
Bit
Command
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Sleep [DEFAULT]
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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