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參數(shù)資料
| 型號： | LS7166 |
| 廠商： | LSI Corporation |
| 元件分類： | 通用總線功能 |
| 英文描述： | 24-BIT QUADRATURE COUNTER |
| 中文描述： | 24位正交計數(shù)器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 79K |
| 代理商： | LS7166 |
OCCR (Output Control Register)
Initializes CNTR and output operating modes.
Accessed by
:
WRITE when C/D = 1, CS = 0.
Bit # 7 6 5 4 3 2 1 0
1 0
0
:
Binary count mode (Overridden by D3 = 1).
1
:
BCD count mode (Overridden by D3 = 1)
0
:
Normal count mode
1
:
Non-Recycle count mode. (CNTR enabled with a Load or Reset
CNTR and disabled with generation of Carry or Borrow.
In this mode no external CY or BW is generated. Instead
CYT or BWT should be used as cycle completion indicator.)
0
:
Normal count mode
1
:
Divide by N count mode (CNTR is reloaded with PR data upon
Carry or Borrow).
0
:
Binary or BCD count mode (see D0)
1
:
24 Hour Clock mode with Byte 0 = Sec, Byte 1 = Min and Byte 2 = Hr.
(Overrides BCD/Binary Modes)
0
Pin 16 = CY, Pin 17 = BW. (Active Low)
0
1
Pin 16 = CYT, Pin 17 = BWT
0
0
Pin 16 = CY, Pin 17 = BW. (Active high)
1
1
Pin 16 = COMP, Pin 17 = COMPT
1
0
Select OCCR
1
QR (Quadrature Register)
. Selects quadrature count mode (See Fig. 7)
Accessed by
:
WRITE when C/D = 1, CS = 0.
Bit # 7 6 5 4 3 2 1 0
1 1 X X X X
0 Disable quadrature mode
0
1 Enable x1 quadrature mode
0
0 Enable x2 quadrature mode
1
1 Enable x4 quadrature mode
1
1 Select QR
1
X = Don’t Care
7166-062394-4
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LS7166 | 制造商:LSI COMPUTER SYSTEMS 功能描述:24BIT MULTI MODE COUNTER 7166 DIP |
| LS7166_06 | 制造商:LSI 制造商全稱:LSI 功能描述:24-BIT QUADRATURE COUNTER |
| LS7166-DIP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| LS7166S | 制造商:LSI Corporation 功能描述: |
| LS7166-SOIC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ENCODER INTERFACE|CMOS|SOP|20PIN|PLASTIC |
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