参数资料
型号: L9953LXP
厂商: STMICROELECTRONICS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO36
封装: ROHS COMPLAINT, SSOP-36
文件页数: 9/35页
文件大小: 505K
代理商: L9953LXP
L9953LXP
Electrical specifications
Doc ID 16185 Rev 1
Figure 3.
SPI - transfer timing diagram
Figure 4.
SPI - input timing
12
3
4
5
6
7
0
01
12
3
45
67
0
12
3
4
5
6
7
0
1
01
CSN
CLK
DI
DO
Input
Data
Register
CSN high to low: DO enabled
time
DI: data will be accepted on the rising edge of CLK signal
time
DO: data will change on the falling edge of CLK signal
fault bit
CSN low to high: actual data is
transfered to output power switches
old data
new data
23
22
21
20
19
18
23
22
21
20
19
18
23
22
21
20
19
18
X
12
3
4
5
6
7
0
01
12
3
45
67
0
12
3
4
5
6
7
0
01
12
3
45
67
0
12
3
4
5
6
7
0
1
01
CSN
CLK
DI
DO
Input
Data
Register
CSN high to low: DO enabled
time
DI: data will be accepted on the rising edge of CLK signal
time
DO: data will change on the falling edge of CLK signal
fault bit
CSN low to high: actual data is
transfered to output power switches
old data
new data
12
3
4
5
6
7
0
1
01
CSN
CLK
DI
DO
Input
Data
Register
CSN high to low: DO enabled
time
DI: data will be accepted on the rising edge of CLK signal
time
DO: data will change on the falling edge of CLK signal
fault bit
CSN low to high: actual data is
transfered to output power switches
old data
new data
23
22
21
20
19
18
23
22
21
20
19
18
23
22
21
20
19
18
X
0.8 VCC
0.2 VCC
Valid
CSN
CLK
DI
t
set CSN
t
CLKH
t
set CLK
t
CLKL
t
hold DI
t
set DI
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