參數(shù)資料
型號: L9230
廠商: 意法半導(dǎo)體
英文描述: SPI CONTROLLED H-BRIDGE
中文描述: 可控的SPI H橋
文件頁數(shù): 16/25頁
文件大?。?/td> 218K
代理商: L9230
L9230
16/25
SPI Communication
Figure 9. Reading access / 8 bit
SPI Instruction
The uppermost 2 bit of the instruction byte contains the chipadress. The individual chipadress is a mask-option
and must be defined in accordance to the SPI-Members sharing on SS line.
SPI Instruction-Format
SPI Instruction-Bytes
MSB
7
6
5
4
3
2
1
0
0
0
INSTR4
INSTR3
INSTR2
INSTR1
INSR0
INSW
Bit
Name
Description
7,6
CPAD1,0
Chip Adress (has to be ‘0’, ‘0’)
5-1
INSTR (4-0)
SPI instruction (encoding)
0
INSW
Don‘t care
SPI Instruction
Encoding
Description
bit 7,6
CPAD1,0
bit 5,4,3,2,1
INSTR(4...0)
Bit 0
RD_IDENT
00
00000
0
read identifier
RD_VERSION
00
00001
1
read version
RD_DIA
00
00100
1
read DIA_REG
all others
no function
SPI INSTRUCTION
MSB
XXXX XXXX
SS
SI
VERIFICATION BYTE
MSB
DATA/8 BIT
MSB
SO
D01AT480
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