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参数资料
| 型号： | L9230-DIE1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, UUC |
| 封装： | DIE |
| 文件页数： | 24/25页 |
| 文件大小： | 218K |
| 代理商： | L9230-DIE1 |
L9230
8/25
SPI INTERFACE
The timing of L9230 is defined as follows:
- The change at output (SO) is forced by the rising edge of the SCK signal.
- The input signal (SI) is taken over on the falling edge of the SCK signal.
- SS = active without any clocks at SCK is not allowed
- The data received during a writing access is taken over into the internal registers on the rising edge of the SS
signal, if exactly 16 SPI clocks have been counted during SS = active.
Figure 6.
ELECTRICAL CHARACTERISTCS ( continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Input SCK (SPI clock input 4.5V < DMS < 5.5V)
VSCKL
Low Level
1
V
VSCKH
High Level
2
V
VSCK Hysteresis
0.1
0.4
V
CSCK
Input Capacity
10
pF
SO
SI
MSB IN
Bit (n-4)...1 LSB IN
Bit (n-4)...1
1
4
5
6
SCK
SS
7
8
n = 16
9
10
3
2
Bit (n-3)
Bit 0; LSB
tristate
Bit (n-3)
Bit (n-2)
11
12
ELECTRICAL CHARACTERISTICS (continued)
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