參數(shù)資料
型號(hào): PE12316
廠商: Electronic Theatre Controls, Inc.
英文描述: Triple Incremental Encoder
中文描述: 三增量編碼器
文件頁(yè)數(shù): 13/29頁(yè)
文件大?。?/td> 1542K
代理商: PE12316
PE12316
Triple
Incremental Encoder
February 6, 2003 Preliminary (Version 1.1)
Pin Description
Pin Name
February 6, 2003 (Preliminary Version 1.1)
Page 13/29
PE12316
Pin Number
68
PLCC
12
8
I/O
Description
/CS
/RD
Input
Input
Chip Select. A low enables the device.
Read. When this and /CS are active (low), the data
from the output register will be present on the data
bus.
D0
D1
D2
D3
D4
D5
D6
D7
14
15
17
18
20
21
23
24
Input/
Output
LSB
Data Bus Buffer:
8-Bit Bi-directional Buffer with 3-state outputs
connected to the microprocessor system.
MSB
/BORROW1
/BORROW2
/BORROW3
58
56
54
Output
Counter underflow signal.
/CARRY1
/CARRY2
/CARRY3
59
57
54
Output
Counter overflow signal.
/KLI-KLO1
/KLI-KLO2
/KLI-KLO3
62
61
60
Input/
Output
(OD)
Cascade load input / cascade load output. Open
drain (OD) output with internal 75kOhm (nom) pull-
up. External pull up required for full speed
operation.
When low signal indicates to the MPU that read or
write may be completed. /READY falling edge
synchronous with CLK Open Drain output needs
external pull-up.
/READY
63
Output
(OD)
M21
M11
M01
M22
M12
M02
M23
M13
M03
29
28
27
34
32
30
37
36
35
Input
Input
Input
Input
Input
Input
Input
Input
Input
Mode Select Inputs (see
Table 1
)
Ua11
Ua21
39
41
Input
Input
Measuring input signals channel 1
(Schmitt-Trigger characteristics)
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