参数资料
型号: L8229
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 1.5 A, PDSO24
封装: LEAD FREE, SSO-24
文件页数: 16/42页
文件大小: 858K
代理商: L8229
Obsolete
Product(s)
- Obsolete
Product(s)
L8229
L8229_0 and L8229_1 modes
Figure 8.
SPI Operations
Bit15
Bit14
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Data latched on rising edge of SCLK
T
DHD
T
SCLK-CS
T
CS-SCLK
T
DSU
LSB
MSB
SDI
SCLK
nCS
Table 17.
SPI Timing specifications
(0°C
≤ T
j ≤ 125°C, VS = 32 V, unless otherwise specified)
Name
Description
MIN
TYP
MAX
Units
Fclk
Serial clock frequency
8
12
MHz
Tclh
SCLK high width
30
ns
Tcll
SCLK low width
30
ns
Tcs-sclk
Delay nCS falling to first SCLK rising
10
ns
Tsclk-cs
Delay last SCLK rising edge to nCS rising
10
ns
Tdsu
Data valid to SCLK set up time
10
ns
Tdhd
Data hold time
10
ns
Tcs-cs
Delay required from (n-1)CS to nCS
10
ns
Trd
SDI rise time
0
20
ns
Tfd
SDI fall time
0
20
ns
Trfc
SCLK rise/fall time
0
20
ns
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