参数资料
型号: MC33884
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: Switch Monitor Interface(开关监控器接口)
中文描述: 开关显示器接口(开关监控器接口)
文件页数: 15/20页
文件大小: 331K
代理商: MC33884
15
MOTOROLA TSG IC DEVICE DATA
DESCRIPTION (Continued)
Metallic Command
This command enables the pulsed wetting current for an external metallic switch and disables it for an external non–metallic
switch. This command does not change the mode of operation (e.g., a Metallic command received while in Polling mode leaves
the part in that mode). Note that the Run register values are unknown after exiting the Sleep mode.
MSB
Bit
LSB
Bit
Command
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Metallic
0
1
0
1
MG6
MG5
MG4
MG3
MG2
MG1
MP4
MP3
MP2
MP1
MB2
MB1
RESET VALUES:
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 Metallic command.
MG[6:1] — Metallic Switch–to–Ground
MB[2:1] — Metallic Switch–to–Battery
MP[4:1] — Metallic Programmable Switch
Metallic Switch Bit Definition
MGx, MBx, MPx
Accepted Switch Type:
0
Non–metallic
1
Metallic (enable wetting current pulse)
Test Mode
Bit 16 is reserved for placing the device into a special IC Test mode. It is used to confirm various internal functions.
MSB
Bit
LSB
Bit
Command
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC Test Mode
1
X
X
X
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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