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参数资料
| 型号： | L6285S |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 2 A, PDIP42 |
| 封装： | SDIP-42 |
| 文件页数： | 12/16页 |
| 文件大小： | 4214K |
| 代理商： | L6285S |
ELECTRICAL CHARACTERISTICS (continued)
OSCILLATOR (see Fig. 6)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
fosc
Oscillator Frequency
Pin OSC/RESET
COSC = 3.3nF; ROSC = 10K
27
41
46
KHz
Tdsc
Capacitor Discharge Time
(protect dead time)
COSC = 3.3nF; ROSC = 10K
(see Fig. 1)
0.8
1.4
2
s
Vreset
Reset Threshold Voltage
1
V
INTERFACE TIMING
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
t1
SCK Data Clock Cycle
(see Fig. 2)
200
ns
t2
SCK Data Set-upTime
30
ns
t3
SCK Data Hold Time
20
ns
t4
SCK-STB Interval Time
30
ns
t5
STB Pulse Width
100
ns
Note 1: No output loaded; all register to low condition; no reset applied; VP = 26.5V; VS = 5.5V
Note 2: The effect of the internal filter (RC Network) is not considered.
Figure 2: Interface Timing (Serial loading Mode)
Figure 1: Discharge time tdsc or Protection Time
Serial
Input Data
b15
D15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
D0
D3
D2
D1
D0
D3
D2
D1
D0
D3
D2
D1
D0
D3
D2
D1
D0
Register 4
Register 3
Register 2
Register 1
L6285
5/16
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