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SAA7128H PDF даташит

Спецификация SAA7128H изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «Digital video encoder».

Детали детали

Номер произв SAA7128H
Описание Digital video encoder
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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SAA7128H Даташит, Описание, Даташиты
SAA7128H; SAA7129H
Digital video encoder
Rev. 03 — 9 December 2004
Product data sheet
1. General description
The SAA7128H; SAA7129H encodes digital CR-Y-CB video data to an NTSC, PAL or
SECAM CVBS or S-video signal. Simultaneously, RGB or bypassed but interpolated
CR-Y-CB signals are available via three additional DACs. The circuit at a 54 MHz
multiplexed digital D1 input port accepts two ITU-R BT.656 compatible CR-Y-CB data
streams with 720 active pixels per line in 4 : 2 : 2 multiplexed formats, for example MPEG
decoded data with overlay and MPEG decoded data without overlay, where one data
stream is latched at the rising clock edge and the other at the falling clock edge.
It includes a sync/clock generator and on-chip DACs.
2. Features
s Monolithic CMOS 3.3 V device, 5 V I2C-bus optional
s Digital PAL/NTSC/SECAM encoder
s System pixel frequency 13.5 MHz
s 54 MHz double-speed multiplexed D1 interface capable of splitting data into two
separate channels (encoded and baseband)
s Three Digital-to-Analog Converters (DACs) for CVBS (CSYNC), VBS (CVBS) and C
(CVBS) two times oversampled with 10-bit resolution (signals in brackets optional)
s Three DACs for RED (CR), GREEN (Y) and BLUE (CB) two times oversampled with
9-bit resolution (signals in brackets optional)
s An advanced composite sync is available on the CVBS output for RGB display
centering
s Real-time control of subcarrier
s Cross-color reduction filter
s Closed captioning encoding and World Standard Teletext (WST) and North-American
Broadcast Text System (NABTS) teletext encoding including sequencer and filter
s Copy Generation Management System (CGMS) encoding (CGMS described by
standard CPR-1204 of EIAJ); 20 bits in lines 20/283 (NTSC) can be loaded via I2C-bus
s Fast I2C-bus control port (400 kHz)
s Line 23 Wide Screen Signalling (WSS) encoding
s Video Programming System (VPS) data encoding in line 16 (50/625 lines counting)
s Encoder can be master or slave
s Programmable horizontal and vertical input synchronization phase
s Programmable horizontal sync output phase
s Internal Color Bar Generator (CBG)









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SAA7128H Даташит, Описание, Даташиты
Philips Semiconductors
SAA7128H; SAA7129H
Digital video encoder
s Macrovision® Pay-per-View copy protection system rev. 7.01 and rev. 6.1 optional; this
applies to SAA7128H only. The device is protected by US patents 4631603, 4577216
and 4819098 and other intellectual property rights; use of the Macrovision anti-copy
process in the device is licensed for non-commercial home use only. Reverse
engineering or disassembly is prohibited; please contact your nearest Philips
Semiconductors sales office for more information.
s Controlled rise/fall times of output syncs and blanking
s On-chip crystal oscillator (3rd-harmonic or fundamental crystal)
s Down mode (low output voltage) or power-save mode of DACs
s QFP44 package
3. Quick reference data
Table 1: Quick reference data
VDDD = 3.0 V to 3.6 V; Tamb = 0 °C to 70 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min Typ Max
VDDA
VDDD
IDDA
IDDD
Vi
Vo(p-p)
analog supply voltage
digital supply voltage
analog supply current
digital supply current
input signal voltage levels
analog output signal voltages Y,
C and CVBS without load
(peak-to-peak value)
VDDD = 3.3 V
3.15 3.3 3.45
3.0 3.3 3.6
[1] -
130 150
[1] -
75 100
TTL compatible
1.25 1.35 1.50
RL
LElf(i)
load resistance
low frequency integral linearity
error
75 -
--
300
±3
LElf(d)
low frequency differential linearity
error
- - ±1
Tamb
ambient temperature
0-
70
[1] At maximum supply voltage with highly active input signals.
Unit
V
V
mA
mA
V
LSB
LSB
°C
4. Ordering information
Table 2: Ordering information
Type
number
Package
Name
Description
Version
SAA7128H QFP44
SAA7129H
plastic quad flat package; 44 leads (lead length 1.3 mm); SOT307-2
body 10 × 10 × 1.75 mm
9397 750 14325
Product data sheet
Rev. 03 — 9 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
2 of 55









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SAA7128H Даташит, Описание, Даташиты
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RESET_N SDA SCL
VDD(I2C)
SA
20
21
40 42 41
I2C-BUS
INTERFACE
I2C-bus control
XTALI XTALO RCV1 RCV2 TTXRQ XCLK LLC1
VDDA1 VDDA3
VDDA2 VDDA4
35 34 7 8 43 37 4
25 28 31 36
SAA7128H
SAA7129H
SYNC/CLOCK
clock and timing
I2C-bus control
I2C-bus control
I2C-bus control
MP7 to MP0
9 to 16 MPpos
SWITCH
MPneg
MPA MP
FADER
MPB
VP
Y
ENCODER
CB-CR
Y
OUTPUT
INTERFACE
C
D
44
TTX
I2C-bus control
I2C-bus
control
Y
I2C-bus control
RGB
CB-CR PROCESSOR
D
5 18 38 6 17 39 2 3
19
VSSD1 VSSD2 VSSD3 VDDD1 VDDD2 VDDD3
Fig 1. Block diagram
SP AP
RTCI
30 CVBS
(CSYNC)
27 VBS
(CVBS)
A 24 C
(CVBS)
22
VSSA1
32
VSSA2
33
VSSA3
23
RED
26
GREEN
29
A BLUE
mhb572










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