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參數(shù)資料
| 型號： | TMC2330AG1C1 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 數(shù)字信號處理外設 |
| 英文描述： | Coordinate Transformer 16 x 16 Bit, 40 MOPS |
| 中文描述： | 32-BIT, DSP-COORDINATE TRANSFORM PROCESSOR, CPGA120 |
| 封裝： | CERAMIC, PGA-120 |
| 文件頁數(shù)： | 10/18頁 |
| 文件大?。?/td> | 164K |
| 代理商： | TMC2330AG1C1 |
PRODUCT SPECIFICATION
TMC2330A
10
REV. 1.1.8 10/31/00
Timing Diagrams
No Accumulation
Note:
OERX = OEPY = LOW
Phase Modulation
Notes:
1. OERX = OEPY = LOW
2. Carrier C and amplitude R loaded on CLK0.
3. Modulation Values I, J, K, L
…
Loaded on CLK1, CLK2, etc.
4. Output corresponding to modulation loaded at CLKi emerged tDO after CLKi + 21.
5. To modulate amplitude, vary XRIN with ENXR = 1.
CLK
00
0
1
2
3
…
…
…
…
…
…
22
f(A)
f(B)
23
tH
tD
tHO
tS
tPWH
tPWL
RTP, TCXY
ACC[1:0]
ENXR,
ENYP[1:0]
XRIN[15:0],
YPIN[31:0]
RXOUT[15:0],
PYOUT[15:0]
00
00
EN
EN
EN
A
B
C
CLK
00
01
01
01
01
0
1
2
3
…
22
23
24
25
…
…
…
…
…
RTP, TCXY
ACC[1:0]
ENXR
ENYP[1:0]
XRIN[15:0]
YPIN[31:0]
RXOUT[15:0]
PYOUT[15:0]
R
10
01
01
01
01
C
I
J
K
L
C + I
2C + J
3C + K
4C + L
Applications Discussion
Numeric Over
fl
ow
Because the TMC2330A accommodates 16-bit unsigned
radii and 16-bit signed Cartesian coordinates, Polar-To-
Rectangular conversions can overflow for incoming radii
greater than 32767= 7FFFh and will overflow for all incom-
ing radii greater than 46341=B505h. (ln signed magnitude
mode, a radius of 46340 = B504h will also overflow at all
angles.) The regions of overflow and of correct conversion
are illustrated in Figure 1.
In signed magnitude mode, overflows are circularly symmet-
rical—if a given radius overflows at an angle P, it will also
overflow at the angles
π
-P,
π
+P, and -P. This is because -X
will overflow if and only if X overflows, and -Y will over-
flow if and only if Y overflows.
In two’s complement mode, the number system’s asymmetry
complicates the overflow conditions slightly. An input vector
with an X component of -32768=8000h will not overflow,
whereas one with an X component of +32768 will.
Table 3
summarizes several simple cases of overflow and near-over-
flow.
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相關(guān)代理商/技術(shù)參數(shù) |
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| TMC2330AH5C | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:Coordinate Transformer 16 x 16 Bit, 40 MOPS |
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| TMC2330AH6C | 功能描述:視頻 IC Coord. Transformer RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2330AH6C1 | 功能描述:視頻 IC Coord. Transformer RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2330AKEC | 功能描述:視頻 IC Coord. Transformer RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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