參數(shù)資料
型號: L9942
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動控制電子
英文描述: STEPPER MOTOR CONTROLLER, PDSO36
封裝: POWER, SO-36
文件頁數(shù): 2/21頁
文件大?。?/td> 161K
代理商: L9942
MICROCONTROLLER SECTION
The seven channels are activated in sequence as shown in fig. 4 to complete one cycle in 16ms.
The structure of one channel is shown in fig. 5.
0
1
2
3
4
5
6
Strobe
Decoder
Data Bus
SBCLK
32kHz
C0
Channel 0
C1
Channel 1
C2
Channel 2
C3
Channel 3
C4
Channel 4
C5
Channel 5
C6
Channel 6
Figure 4. Contact monitor structure and strobe signals.
CMBR
Q
D
CSR
Q
CMCR
Q
select
current
comparator
CMSR
select
Data Bus
VS
EN
Q
IF
Q
S
select
Sense 30
s
Strobe 15
s
CMIR
INT#3
INT
0
INT
1
2
3
4
5
6
Cn
Rext
Figure 5. Channel and interrupt logic structure.
L9942
10/21
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