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TC90A18AF
TIME COMPRESSION LSI FOR EDTV-II WIDE-SCREEN TVs
TOSHIBA
TENTATIVE
TC90A18AF
TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC
TC90A118AF
TIME COMPRESSION LSI FOR EDTV-II WIDE-SCREEN TVs
TC90A18AF is a time-compression LSI for wide-screen TVs.
With a compression ratio of 0.5 to 2, the device can
display a 4:3 aspect ratio NTSC/PAL signal on a 16:9
aspect ratio TV screen.
Using horizontal 16-point variable compression, this LSI
can realize digital super live mode.
Among the wide range of functions offered by the LSI
are EDTV-ll broadcast detection, letterbox detection, and
caption detection.
FEATURES
Fixed ratio compression processing
. 0.5 to 1 x fixed ratio compression (64 steps)
. 1 to 1.5 x fixed ratio expansion (32 steps)
. 2 x expansion
Digital super live mode
QFP100-P-1420-0.65A
Weight : 1.6g (Typ.)
. Compression and expansion with specified ratio within a horizontal period (16 points settable)
EDTV-Il
. NR2 pattern detection
. DC offset detection
q Top and bottom blank portion detection
Letterbox detection
Caption detection
Incorporates two 8-bit ADCs for Y/V and NO inputs
Incorporates three 8-bit DACs for Y, I, and Q outputs
Incorporates 1368fHVCO
" bus control (slave address : 40H)
3.3 V single power supply
2001 -06-1 9
TOSHIBA
BLOCK DIAGRAM
TC90A18AF
EDTV2 detection
Letter box detection
D Y Output
C) I Output
C) Q Output
C) HBL
1: LineMemory
Y Input CLAMP _ _ _ 1
ADC1 Digital Filter u DAC1
Video Input MPX t J
LineMemory
C E LineMemory DAC2
I In ut LAMP
p C ADC2 Digital Filter
Q Input C MPX _t
LineMemory DAC3
1 1 I -
Timing Timing -
VBP Output
Controller 2
I C-bus -
VCO2 -
U (1) RCK (I) U U
HAFC filter SDA
2001 -06-1 9
TOSHIBA
TERMINAL CONNECTION DIAGRAM
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100 ®®®®®®®®®®®®®®®®®®®
TC90A18AF
VDDDAZ C D CD66
YOUT (a D CDG7
VSSDAZ Ci? D SDA
[OUT C D SCL
VDDDA1 C2 D VDD
QOUT G. Cii) YVS
VSSDA‘I C (ii) JPW
VREFDA C D JMT
BIASDA1 Ct D Vss
BIASDAZ D VBM
VDD D VDP
YDG7 D ISL
YDGG Z59 QSL
YDGS @ SPT
YDG4 TC90A18AF Cis) VCP
YDG3 (ii) HRF
YDG2 E1) VBL
YDG1 D YCP
YDGO Ci)) vss
vss D VDD
ACK D CCP
NRM (is) JTB
EDT Cis) TADO
RST Cir) TAD1
TBD7 Ea) Vss
TBD6 Ci) VCOVDD
T395 319 VCOGND
TBD4 D FIL2
TBD3 D VCOGND
TBD2 Cs)) VCOVDD
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y y y y
3 2001-06-19
TOSHIBA
TERMINAL FUNCTION
TC90A18AF
m: PIN NAME I/O FUNCTION OPERATING CONDITIONS
1 VDDDA2 - Analog power supply + 3.3 V
2 YOUT - Luminance signal analog output D range : VDD to VREFDA
3 VSSDAZ - Analog GND -
4 'OUT - I signal analog output D range : VDD to VREFDA
5 VDDDA1 - Analog power supply + 3.3 V
6 QOUT - Q signal analog output D range : VDD to VREFDA
7 VSSDA1 - Analog GND -
8 VREFDA - DAC reference voltage supply pin VDD - 1.5V
9 BIASDA1 - DAC bias voltage pin 1 -
10 BIASDAZ - DAC bias voltage pin 2 -
11 VDD I Digital power supply + 3.3 V
12 YDG7 I Test input (normally connect to I/SS) -
13 YDGG I Test input (normally connect to I/SS) -
14 YDGS I Test input (normally connect to I/SS) -
15 YDG4 I Test input (normally connect to I/SS) -
16 YDG3 I Test input (normally connect to I/SS) -
17 YDG2 I Test input (normally connect to I/SS) -
18 YDG1 I Test input (normally connect to l/SS) -
19 YDGO I Test input (normally connect to I/SS) -
20 I/SS - Digital GND -
21 ACK Test output -
22 NRM O Pc bus subaddress 39H : NRM contents -
output (data from microcontroller)
23 EDT C) Unmatch yt.eut of ED2 signal NRZ pattern -
(for each field, unmatch : L, match : H)
24 RST I System reset input (normal : H, reset : L) -
25 TBD7 I Test input (normally connect to I/SS) -
26 TBD6 I Test input (normally connect to I/SS) -
27 TBDS I Test input (normally connect to I/SS) -
28 TBD4 I Test input (normally connect to I/SS) -
29 TBD3 I Test input (normally connect to I/SS) -
30 TBD2 I Test input (normally connect to I/SS) -
31 TBD1 I Test input (normally connect to V55) -
32 TBDO I Test input (normally connect to V35) -
33 NDO C) Test output -
34 HBL 0 Horizontal blanking signal output -
35 VDD - Digital power supply -
36 HBP I Horizontal sync signal input -
37 VBP I Vertical sync signal input -
Test mode setting
38 TST3 I (normally connect to VDD) -
39 TST2 I Test mode setting (normally connect to V55) -
Test mode setting
40 TST1 I (normally connect to VDD) -
2001 -06-1 9
TOSHIBA
TC90A18AF
No. PIN NAME I/O FUNCTION OPERATING CONDITIONS
41 TSTO I Test mode setting -
(normally connect to VDD)
42 WCK I Test input (normally connect to I/SS) -
43 RCK I Memory read clock input (1824fH) -
44 VDD - Digital power supply +3.3V
45 VCOGND - VCO GND -
46 FIL11 - External filter pin 1 for VCO1 -
47 VCOVDD - VCO power supply +3.3V
48 VCOVDD - VCO power supply +3.3V
49 FIL12 - External filter pin 2 for VCO1 -
50 VCOGND - VCO GND -
51 VCOVDD - VCO power supply +3.3V
52 VCOGND - VCO GND -
53 FIL2 - External filter pin for VCO2 -
54 VCOGND - VCO GND -
55 VCOVDD - VCO power supply +3.3V
56 V55 - Digital GND -
57 TAD1 0 Test output -
58 TADO 0 Test output -
59 JTB 0 Timing signal for caption position -
60 CCP O IZC bus acknowledge output (active H) -
61 VDD - Digital power supply +3.3V
62 VSS - Digital GND -
63 YCP O Clamp pulse position output for luminance -
64 VBL 0 Vertical blanking signal output -
65 HRF 0 Horizontal AFC reference signal output -
66 VCP O Clamp pulse position output for video -
67 SPT 0 Side panel position output -
68 QSL O 684fH output -
69 ISL O 684fH output (QSL reverse output) -
70 VDP 0 Vertical drive pulse output -
71 VBM 0 Timing signal for vertical black masking -
72 VSS - Digital GND -
Caption detection signal
73 JMT O (caption : H, no caption : L) -
74 JPW O PWM output -
Video/luminance switching signal output
75 YVS O (22H, 285H) -
76 VDD - Digital power supply -
77 SCL I Pc bus clock input -
78 SDA I/O IZC bus data input/output -
2001 -06-1 9
TOSHIBA
TC90A18AF
No. PIN NAME I/O FUNCTION OPERATING CONDITIONS
79 CDG7 I Test input (normally connect to I/SS) -
8O CD66 I Test input (normally connect to I/SS) -
81 CDGS I Test input (normally connect to VSS) -
82 CDG4 I Test input (normally connect to l/SS) -
83 CDG3 I Test input (normally connect to I/SS) -
84 CD62 I Test input (normally connect to I/SS) -
85 CDG1 I Test input (normally connect to V55) -
86 CDGO - Test input (normally connect to I/SS) -
87 VSS - Digital GND -
88 BIASAD - ADC bias voltage pin -
89 VSSADZ - Analog GND -
90 VRTY - 1/i.de.o./,luminance ADC reference voltage 208LSB
(H side)
91 VIN - Video signal input Pedestal clamp
92 VDDAD1 - Analog power supply + 3.3 V
93 YIN - Luminance signal input Pedestal clamp
94 VRBY - 1/idte(luminance ADC reference voltage 64LSB
(L side)
95 VRTC - I/Q ADC reference voltage (H side) 208LSB
96 QIN - Q signal input -
97 VSSAD1 - Analog GND -
98 IIN - I signal input -
99 VRBC - I/Q ADC reference voltage (L side) 64LSB
100 CLMPVC - I/Q clamp pin -
2001 -06-1 9
TOSHIBA TC90A18AF
PACKAGE DIMENSIONS
QFP100-P-1420-0.65A Unit : mm
0.825TYP
nik tl! iii]
eu, co"
----.rLdou ,
0-15i0-L
0,15 $.05
l 1.2102
Weight : 1.69 (Typ.)
7 2001-06-19
TOSHIBA TC90A18AF
RESTRICTIONS ON PRODUCT USE
000707EBA
OTOSHIBA is continually working to improve the quality and reliability of its products.
Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent
electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer,
when utilizing TOSHIBA products, to comply with the standards of safety in making a safe
design for the entire system, and to avoid situations in which a malfunction or failure of such
TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please
keep in mind the precautions and conditions set forth in the "Handling Guide for
Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc..
OThe TOSHIBA products listed in this document are intended for usage in general electronics
applications (computer, personal equipment, office equipment, measuring equipment, industrial
robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor
warranted for usage in equipment that requires extraordinarily high quality and/or reliability or
a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended
Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship
instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA
products listed in this document shall be made at the customer's own risk.
0 The products described in this document are subject to the foreign exchange and foreign trade
OThe information contained herein is presented only as a guide for the applications of our
products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of
intellectual property or other rights of the third parties which may result from its use. No
license is granted by implication or otherwise under any intellectual property or other rights of
TOSHIBA CORPORATION or others.
0 The information contained herein is subject to change without notice.
8 2001-06-19
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