參數(shù)資料
型號(hào): TC90A67F
元件分類: 畫面疊加
英文描述: PICTURE-IN-PICTURE IC, PQFP80
封裝: 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁(yè)數(shù): 19/24頁(yè)
文件大小: 321K
代理商: TC90A67F
TC90A67F
2002-02-06
4
Terminal Function
QFP80-P-1420-0.80B
PIN
Name
I/O
Function
Condition
1
AVSS
Ground for DAC
2
BIASA
ADC bias voltage
3
VREFH
Upper limit reference voltage of ADC
normal: 2.3 V
4
AVSS
Ground for ADC
5
CVI
I
Composite video signal input
6
AVDD
Power supply for ADC
7
VREFL
Lower limit reference voltage of ADC
normal: 1.0 V
8
AVSS
Ground for ADC
9
NC
10
CKOUT
O
384fH-clock output
11
AVDD
O
Power supply for VCO
12
BIASD
DAC bias voltage
13
VREF
Lower limit reference voltage of DAC
normal: 1.8 V
14
NC
15
NC
16
AVSS
Ground for VCO
17
FILTER
O
VCO filter terminal
18
AVDD
Power supply for DAC
19
CKIN
I
384fH-clock input
20
NC
21
VSS
Ground for digital circuit
22
CKC
I
Clock input (sub-picture)
23
CKCSEL
I
Internal/external 384fH VCO select
L: internal, H: external
24
CLMP
O
Clamp level output
25
VDD
Power supply for digital circuit
26
TEST
I
Test pin
normal: H
27
VSS
Ground for crystal oscillator
28
XI
I
42 MHz crystal oscillator input
29
XO
O
42 MHz crystal oscillator output
30
NC
31
VDD
Power supply for crystal oscillator
32
NC
33
NC
34
CSTD
O
Internal signal output
35
VSS
Ground for DRAM
36
VDD
Power supply for DRAM
37
PFIELD
O
Field odd/even output (main picture)
H: even, L: odd
38
CFIELD
O
Field odd/even output (sub picture)
H: even, L: odd
39
CVREF
O
Vertical sync. output (sub picture)
40
CHREF
O
Horizontal sync. output (sub picture)
41
NC
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