參數(shù)資料
型號: MCZ33880EG
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: Configurable Octal Serial Switch with Serial Peripheral Interface I/O
中文描述: 配置八路系列開關串行外設接口的I / O
文件頁數(shù): 19/25頁
文件大?。?/td> 341K
代理商: MCZ33880EG
Analog Integrated Circuit Device Data
Freescale Semiconductor
19
33880
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
LOGIC COMMANDS AND REGISTERS
On each SPI communication, an 8-bit command word is sent to the 33880 and an 8-bit fault word is received from the 33880.
The Most Significant Bit (MSB) is sent and received first (see below).
Command Register Definition:
0 = Output Command Off
1 = Output Command On
Fault Register Definition:
0 = No fault
1 = Fault.
MSB
LSB
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
Table 6. Fault Operation
SERIAL OUTPUT (SO) PINS REPORTS
Overtemperature
Fault reported by Serial Output (DO) pin.
Overcurrent
DO pin reports short to battery/supply or overcurrent condition.
Output ON Open Load Fault
Not reported.
Output OFF Open Load Fault
DO pin reports output OFF open load condition.
DEVICE SHUTDOWNS
Overvoltage
Total device shutdown at V
PWR
= 25 V to 30 V. Resumes normal operation with proper voltage.
All outputs assuming the previous state upon recovery from overvoltage.
Overtemperature
Only the output experiencing an overtemperature fault shuts down. Output assumes previous state
upon recovery from overtemperature.
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