MC44BC373 MOTOROLA [Motorola, Inc], MC44BC373 Datasheet

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MC44BC373

Manufacturer Part Number
MC44BC373
Description
Multi-Standard or PAL/ NTSC Modulator with integrated antenna booster/splitter ICs
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
This document contains information on a product under development. Motorola reserves the right to change or
discontinue this product without notice. © Motorola, Inc., 2003. All rights reserved.
Technical Data
MC44BC373/374
Rev. 3.5, 7/2003
MC44BC373/374
Multi-Standard or PAL/
NTSC Modulator with
integrated antenna
booster/splitter ICs
Contents
1 Features . . . . . . . . . . . . . 2
2 Device Overview . . . . . . 3
3 Maximum Ratings . . . . . 5
4 Electrostatic Discharge 5
5 Electrical
6 I
7 I
8 Modulator High
9 Video Characteristics . 10
10 Audio Characteristics . 11
11 Antenna Booster/Splitter
12 Modulator Operation . 14
13 High-Speed I
14 Application and
Characteristics
Frequency
Characteristics
Characteristics
Compatible Bus
Case Diagrams
2
2
C Bit Mapping . . . . . . . 6
C Programming . . . . . 7
2
C
12
18
21
5
9
These modulator ICs are for use in VCRs, games, set-top boxes, and similar devices.
Figure 1 shows the pin connections.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Figure 1. MC44BC373/374 Pin Connections
SPLFLT
PREEM
AUDIO
AUXIN
XTAL
ANT1
ANT2
GND
GND
SDA
SCL
LOP
10
11
12
1
2
3
4
5
6
7
8
9
MC44BC373DTB,R2
MC44BC374DTB,R2
MC44BC373/374
24
23
22
21
20
19
18
17
16
15
14
13
Device
NOTE: For tape and reel, add R2 suffix.
GNDD
VCCD
PLLFLT
TVOVCC
TVOUT
GND
GND
VCRTU
VCRVCC
VCCA
VIDEO
VCCI
Ordering Information
TSSOP 24 Package
–10
Temp Range
o
C to +80
o
C
TSSOP24
Package

Related parts for MC44BC373

MC44BC373 Summary of contents

Page 1

... GND 5 ANT1 6 ANT2 7 8 GND 9 PREEM 10 AUDIO SPLFLT 11 AUXIN 12 Figure 1. MC44BC373/374 Pin Connections For More Information On This Product, Go to: www.freescale.com TSSOP 24 Package Ordering Information Device Temp Range Package o o TSSOP24 – +80 C NOTE: For tape and reel, add R2 suffix. GNDD ...

Page 2

... Freescale Semiconductor, Inc. Features 1 Features MC44BC373: Multi-Standard PAL/SECAM/NTSC with integrated booster splitter MC44BC374: PAL/NTSC with integrated booster splitter The channel is set by an on-chip high-speed I the modulator over the full UHF range. The modulator incorporates a sound subcarrier oscillator and uses a second PLL to derive 4.5, 5.5, 6.0, and 6.5MHz subcarrier frequencies. These frequencies are selected using the bus ...

Page 3

... Channel frequency • Sound frequency • Sound/picture carrier ratio An on-chip video test pattern generator with an audio test signal is included. The MC44BC373 operates as a multi-standard modulator and can handle the following systems using the same external circuit components: • B/G • I • ...

Page 4

... Freescale Semiconductor, Inc. Device Overview L/BG Figure 2. Simplified Block Diagram—MC44BC373/374 4 For More Information On This Product BUS BUS MC44BC373/374 Technical Data Go to: www.freescale.com BUS MOTOROLA ...

Page 5

... MC44BC373/374 Technical Data Go to: www.freescale.com Maximum Ratings Min Typ Unit 4000 6000 V , 10-step p-p Unit Notes Type V B All sections active A OSC, SO, ATT Bus Section active µS B µA A µ ...

Page 6

... Logic Output Port. PS Picture-to-Sound carrier ratio. SYSL System L enable—selects AM sound and positive video modulation (MC44BC373/ only). TPEN Test pattern enable—picture and sound. X5…X0 Test mode bits—All bits are 0 for normal operation (see Test Mode tables, page 7 & page 8). ...

Page 7

... Limited programmability and compatibility with 1 MC44353. Logic Output Port LOP 0 Pin 3 is low voltage. 1 Pin 3 is high impedance. Description MC44BC373/374 Technical Data Go to: www.freescale.com Programming UHF Oscillator Combination of 3-bits Modulator standby mode (sound and UHF oscillator, sound and 1 video modulator section bias ...

Page 8

... Y1 0 VCO out-of-range, frequency too low, only valid if OOR=1. 1 VCO out-of-range, frequency too high, only valid if OOR= High VCO is active. 1 Low VCO is active. 8 For More Information On This Product, Description Description Description Description MC44BC373/374 Technical Data Go to: www.freescale.com MOTOROLA ...

Page 9

... Typical MC44BC373/374 Technical Data Go to: www.freescale.com , 10-step grayscale. p-p Min Typ Max Unit Type 73 74.5 77 dBµ ...

Page 10

... Fre que ncy (M hz) SEC latio 100 Typical 471 521 571 621 671 721 771 821 871 MC44BC373/374 Technical Data Go to: www.freescale.com , 10-step p-p Typ Max Unit Type –0.8 — — ...

Page 11

... MOTOROLA For More Information On This Product Video Input 1V Test Conditions Audio Signal to Noise Typical Minimum specification 471 521 571 621 671 721 771 821 871 Frequency (Mhz) MC44BC373/374 Technical Data Go to: www.freescale.com Audio Characteristics , 10-step p-p Min Typ Max Unit Type ...

Page 12

... Test Conditions Typical 600 750 900 Is o latio -10 -20 Minimum specification -30 -40 -50 Typical -60 -70 600 750 900 0 150 MC44BC373/374 Technical Data Go to: www.freescale.com Min Typ Max Unit Type 40 — 860 MHz — — +1.5 – ...

Page 13

... BALUN TVOUT Pin 20 75/50 75/50 Pin 17 VCRTU MC44BC373/4 F1=100MHz and F2=110MHz F1=400MHz and F2=410MHz F1=700MHz and F2=710MHz MC44BC373/374 Technical Data Go to: www.freescale.com Maximum specification Typical 300 450 600 750 900 Fr e que ncy ( Spectrum Analyzer IMD (dBc) F1=200MHz and F2=210MHz F1=500MHz and F2=510MHz ...

Page 14

... Freescale Semiconductor, Inc. Modulator Operation 12 Modulator Operation 12.1 Power-ON Settings At power-ON, the MC44BC373 and MC44BC374 configuration is as follows: WRITE MODE Bit 7 C1—High Order Bits C0—Low Order Bits FM—High Order Bits FL—Low Order Bits Note N11 are set to have the UHF oscillator on channel 36 (591.25MHz). ...

Page 15

... SFD1 and SFD0 bits have the same definition for both bus formats (MC44353 and MC44BC373/374) and lets a sound frequency between 4.5MHz, 5MHz, 5.5MHz, and 6.5MHz be selected. Note: 5. SYSL bit has same definition for bus formats MC44353 and MC44BC373/374; either system L or B/G is selectable. Note: 6 ...

Page 16

... The audio pre-emphasis circuit is a high-pass filter with an external capacitor and an internal resistor (100kOhms). The recommended capacitor value (470pF) is for BG standard. (50µS time constant.) 16 For More Information On This Product, CAUTION: Vcc TV Out LOP pin MC44BC373/374 Technical Data Go to: www.freescale.com MOTOROLA ...

Page 17

... VHF range operation (test mode 1, states 1.b to 1.c), the UHF oscillator can be internally divided 16. MOTOROLA For More Information On This Product, 7/10 3/ TIME IN µS. F 128 × -------- - × × …… × + 1024 N10 + + MC44BC373/374 Technical Data Go to: www.freescale.com Modulator Operation 60 64 × ...

Page 18

... Tbuf Stop Start Chip Address SSDA SSCL Tsu;sto Thd;sta Tsu;dat 18 For More Information On This Product, ACK ... SDA SCL ... Thd;dat Tack:low Tsu;sta Figure 11. SSDA/SSCL Timing MC44BC373/374 Technical Data Go to: www.freescale.com o C. Min Typ Max Unit Type µA — — — — 1 3.0 — ...

Page 19

... First Data Byte (C1 or FM) ACK STO STO Chip Address FL = Frequency information, low order bits CO = Control information, low order bits MC44BC373/374 Technical Data Go to: www.freescale.com 2 High-Speed I C Compatible Bus Data Stop ACK ACK 2 C bus) is: FL STO C0 STO 19 ...

Page 20

... The incoming information consists of the read mode chip address byte. The device then answers with an ACK followed by one byte containing three bits of status information. No acknowledge is answered by the modulator after this byte. 20 For More Information On This Product, MC44BC373/374 Technical Data Go to: www.freescale.com MOTOROLA ...

Page 21

... ANT2 GND 1nF 8 17 VCRTU GND 10nF 9 16 PREEM VCRVCC 10 15 AUDIO VCCA 11 14 SPLLFLT VIDEO 100nF 12 13 AUXIN VCCI 1nF O O Auxin Vcc MC44BC373/374 Technical Data Go to: www.freescale.com Application and Case Diagrams 2.2k Note 2 22nF 47nF O TVOUT O VCRTU 10nF O Video 75 21 ...

Page 22

... Dambar can not be located 0.012 on the lower radius or the foot. Minimum space between 0.010 protrusions and adjacent lead to be 0.14 (0.006). 0.256 Figure 15. TSSOP24 Package MC44BC373/374 Technical Data Go to: www.freescale.com MOTOROLA ...

Page 23

... Freescale Semiconductor, Inc. MOTOROLA For More Information On This Product, NOTES MC44BC373/374 Technical Data Go to: www.freescale.com 23 ...

Page 24

... Motorola and the Stylized M Logo are registered in the U.S. Patent and Trademark Office. All other product or service names are the property of their respective owners. Motorola, Inc Equal Opportunity/Affirmative Action Employer. © Motorola, Inc. 2003 MC44BC373/D For More Information On This Product, Go to: www.freescale.com ...

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