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參數(shù)資料
| 型號： | TC90A66F |
| 元件分類： | 畫面疊加 |
| 英文描述： | PICTURE-IN-PICTURE IC, PQFP144 |
| 封裝： | 26 X 26 MM, 0.65 MM PITCH, PLASTIC, QFP-144 |
| 文件頁數(shù)： | 39/39頁 |
| 文件大?。?/td> | 488K |
| 代理商： | TC90A66F |
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TC90A66F
2001-06-07
9
Pin Description
Pin Number
Pin Name
Function
2
YINS
Y-signal (S system) analog input
Input amplitude is 1 Vp-p typical.
4
IINS
I or R-Y signal (S system) analog input
Input amplitude is 1 Vp-p typical.
6
QINS
Q or B-Y signal (S system) analog input
Input amplitude is 1 Vp-p typical.
8
VRTY
High-level reference power supply pin for ADC Y signal. Sets the upper limit of the ADC dynamic
range. Fixed to 2.2 V (typ.) by internal resistance type potential division. Connect 0.1
F bypass
capacitor between the pin and GND.
9
VRBY
Low-level reference power supply voltage for ADC Y signal. Sets the lower limit of the ADC dynamic
range. Fixed to 1.1 V (typ.) by internal resistance type potential division. Connect 0.1
F bypass
capacitor between the pin and GND.
10
VRTC
High-level reference power supply pin for ADC IQ signal. Sets the upper limit of the ADC dynamic
range. Fixed to 2.2 V (typ.) by internal resistance type potential division. Connect 0.1
F bypass
capacitor between the pin and GND.
11
VRBC
Low-level reference power supply voltage for ADC IQ signal. Sets the lower limit of the ADC dynamic
range. Fixed to 1.1 V (typ.) by internal resistance type potential division. Connect 0.1
F bypass
capacitor between the pin and GND.
13
YINE
Y signal (E system) analog input
Input amplitude is 1 Vp-p typical.
15
IINE
I or R-Y signal (E system) analog input
Input amplitude is 1 Vp-p typical.
17
QINE
Q or B-Y signal (E system) analog input
Input amplitude is 1 Vp-p typical.
23
CLAMP
Clamp signal monitor output pin.
Can monitor clamp pulse start/stop position set at 24h or 25h.
Outputs signal for the last data (S or E system) transfer.
34
WVDE
(E system) vertical sync signal input pin. (It can be inverted using I
2C bus)
Inputs vertical sync signal from VCD for sub picture E. It is composing 5 V interface. For negative
polarity input, set sub address [26H: EVINV] to L (negative polarity input).
35
WHDE
(E system) horizontal sync signal input pin. (It can be inverted using I
2C bus)
Inputs horizontal sync signal from VCD for sub picture E. It is composing 5 V interface. For negative
polarity input, set sub address [26H: EHINV] to L (negative polarity input).
37
WCKE
(E system) write clock input pin. Inputs from the external PLL circuit. It is composing 5 V interface.
Inputs 2400 fH for both 4M and 2M memory mode.
38
WHREFE
(E system) PLL phase comparison output.
The HREF signal obtained by the I/N divider circuit or the phase comparison result of sub picture (E)
horizontal sync signal.
40
HRST
Unit adjustment (WS/WE/R switch able)
41
MOH
External field memory use signal output pin.
Output amplitude is 3.3 Vp-p typical.
Setting sub address [21H: MOH] to H uses TC90A66F; setting to L sets all memory output pins to Hi-Z.
42
WVDS
(S system) vertical sync signal input pin. (It can be inverted using I
2C bus)
Inputs vertical sync signal from VCD for sub picture S. It is composing 5 V interface. For negative
polarity input, set sub address [27H: WVINV] to L (negative polarity input).
43
WHDS
(S system) horizontal sync signal input pin. (It can be inverted using I
2C bus)
Inputs horizontal sync signal from VCD for sub picture S. It is composing 5 V interface. For negative
polarity input, set sub address [27H: WHINV] to L (negative polarity input).
45
WCKS
(S system) write clock input pin. Inputs from the external PLL circuit. It is composing 5 V interface.
Inputs 2400 fH for both 4M and 2M memory mode.
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