參數(shù)資料
型號: MCZ33797EK
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Four Channel Squib Driver IC
中文描述: 四通道爆管驅(qū)動IC
文件頁數(shù): 24/34頁
文件大小: 290K
代理商: MCZ33797EK
Analog Integrated Circuit Device Data
Freescale Semiconductor
24
33797
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Table 8. Command Programming and Diagnostic Bit Definitions
Hex
Code
Command
Description
Command Programming Input and Diagnostic Data Out (Available on Next Command)
(21)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
3X
Current
Measurement
Register Reset
Command for
Squib X
Current 1 = ON
0
0
1
1
SQB_2B
Data Timer
Reset
SQB_2A
Data Timer
Reset
SQB_1B
Data Timer
Reset
SQB_1A
Data Timer
Reset
DATA OUT
Squib X Current
Register Reset
Status
0
0
1
1
SQB_2B
Data Timer
Reset
SQB_2A
Data Timer
Reset
SQB_1B
Data Timer
Reset
SQB_1A
Data Timer
Reset
80
Unlock for FEN 1
Counter Registers
Programming.
1
0
0
0
0
0
0
0
Response DATA
Output: Command
Echoed
1
0
0
0
0
0
0
0
XX
Programming
Command for
FEN 1 Counter
1 = ON
FEN1 CNT
BIT 7
MSB
FEN1 CNT
BIT 6
FEN1 CNT
BIT 5
FEN1 CNT
BIT 4
FEN1 CNT
BIT 3
FEN1 CNT
BIT 2
FEN1 CNT
BIT 1
FEN1 CNT
BIT 0
LSB
Response DATA
OUT
FEN 1 Counter
Programming
Status
FEN1 CNT
BIT 7
MSB
FEN1 CNT
BIT 6
FEN1 CNT
BIT 5
FEN1 CNT
BIT 4
FEN1 CNT
BIT 3
FEN1 CNT
BIT 2
FEN1 CNT
BIT 1
FEN1 CNT
BIT 0
LSB
81
Unlock for FEN 2
Counter Registers
Programming
1
0
0
0
0
0
0
1
Response DATA
Output: Command
Echoed
1
0
0
0
0
0
0
1
Notes
21
The second byte for command programming will be treated as a NOP if any FET is firing. The programming commands have to be
sequential or they will be treated as a NOP.
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