參數(shù)資料
型號: PE12316
廠商: Electronic Theatre Controls, Inc.
英文描述: Triple Incremental Encoder
中文描述: 三增量編碼器
文件頁數(shù): 14/29頁
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 14/29
PE12316
Pin Number
I/O
Description
68
PLCC
Ua12
Ua22
Ua13
Ua23
42
43
44
45
Input
Input
Input
Input
Measuring input signals channel 2
(Schmitt Trigger characteristics)
Measuring input signals channel 3
(Schmitt Trigger characteristics)
/Ua01
/Ua02
/Ua03
3
2
1
Input
Input
Input
Zero pulse for each channel.
When active (low), the counter in the appropriate
channel is cleared. Other logic is not affected.
(Schmitt Trigger characteristics)
CLK
68
Input
Clock. Used for internal synchronisation and control
timing. (Schmitt Trigger characteristics)
/A0
9
Input
Byte select.
A high level selects the least significant byte.
A low level selects the most significant byte.
/A1
/A2
10
11
Input
Input
Channel select. See
Table 2
/A3
6
Input
Selects Bits 16-23 of chosen channel. Internal
Pullup. For details see
Table 3 Memory Map
.
/RESET
5
Input
Device Reset.
When active (low), the mode control logic is reset to
a known state and the counter is cleared. (Schmitt
Trigger characteristics)
/WE
7
Input
Write enable.
When /WE and /CS are active (low), the data that is
on the bus is loaded into the counter addressed by
/A0, /A1, /A2 and /A3.
/DOWN1
/DOWN2
/DOWN3
47
49
51
Input
Input
Input
Cascade Input for counting down.
/UP1
/UP2
/UP3
46
48
50
Input
Input
Input
Cascade Input for counting up.
V
CC
16,22,
52,66
Power Supply voltage
GND
13,19,
25,53,
64
Ground
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