Acquisition Features; Ports; Serial Access 32K Eeprom; Class Ab Stereo Headphone Driver Tda1308 - Toshiba 29VH27E Service Manual

• 3 X 4Bits RGB-DACs On-Chip
• Free Programmable Pixel Clock from 10 MHz to 32MHz
• Pixel Clock Independent from CPU Clock
• Multinorm H/V-Display Synchronization in Master or Slave Mode

10.7.Acquisition Features

• Multi-standard Digital Data Slicer
• Parallel Multi-norm Slicing (TTX, VPS, WSS, CC, G+)
• Four Different Framing Codes Available
• Data Caption only limited by available Memory
• Programmable VBI-buffer
• Full Channel Data Slicing Supported
• Fully Digital Signal Processing
• Noise Measurement and Controlled Noise Compensation
• Attenuation Measurement and Compensation
• Group Delay Measurement and Compensation
• Exact Decoding of Echo Disturbed Signals

10.8.Ports

2
• One 8-bit I/O-port with open drain output and optional I C Bus emulation support (Port0)
• Two 8-bit multifunction I/O-ports (Port1, Port3)
• One 4-bit port working as digital or analogue inputs for the ADC (Port2)
• One 2-bit I/O port with secondary function (P4.2, 4.3, 4.7)
• One 4-bit I/O-port with secondary function (P4.0, 4.1, 4.4) (Not available in P-SDIP 52)

11.SERIAL ACCESS 32K EEPROM

24LC32 is the 32Kbit electrically erasable programmable memory. The memory is compatible with the
2
I C standard, two wire serial interface, which uses a bi-directional data bus and serial clock.

12.CLASS AB STEREO HEADPHONE DRIVER TDA1308

The TDA1308 is an integrated class AB stereo headphone driver contained in a DIP8 plastic package.
The device is fabricated in a 1 mm CMOS process and has been primarily developed for portable digital
audio applications.

13.SAW FILTERS

X6966M is an 8-MHz SAW Filter which is used for pre-filtering the IF input signal of DRX 3960A. The
entire multistandard processing is performed within this filter which limits the signal bandwidth to 8 MHz
and suppresses major parts of the adjacent channels.

14.IC DESCRIPTIONS

TDA6109
27W401
24LC32
SDA5275
DRAM 4MX4
SDA9400
LM317T
DDP3310
SDA5550
TEA6415
VPC3230D
TDA1308T
MSP3411G
TL431
DRX3960A
LM7808
BDX53BFI
TDA8177F
LM1086
MC44608
TCET1102G
TDA7480L
SAA3010T
4