Tandberg TTC6-01¶

This is a rather high-end video codec unit for a teleconference system.

Hardware¶

Mainboard¶

The mainboard hosts:

• three microphone input sections
  • XLR input connctor
  • ADI SSM2017 (audio pre-amplifier)
  • ADI AD1849 (16-bit stereo ADC)
• dual compositve video in/out
  • Philips SAA7113H (50 Ms/s 9-bit video ADC)
  • Philips SAA7112H (video decoder/scaper)
  • HA5024IB video amplifier
• four-port ISDN BRI line interface
  • Infineon PEB 2086 (ISAC-S)
• Ethernet port
  • TDK 78Q2120-CG (10/100 Mbps Ethernet PHY)
• Control / Communications Processor
  • Motorola XPC860TZP50D4 (CPU)
  • 2x Samsung K4S643232E-TC70 (RAM)
  • 2x Intel DA28F640J5-150 (Flash)
  • Cypress CY7C09449PV-AC (dual-port SRAM with PCI bus controller)
• Video Codec Section
  • 2x unknown codec ASIC or DSP (beneath glued heatsink)
  • each 2x Samsung K4S643232E-TC70 SDRAM
• Audio Codec Section
  • 4x ADI ADSP-2189M (DSP)

Daughterboard¶

This board hosts

• 2x ISDN PRI (E1) line interfaces
  • Infineon PEB 2255H
• 2x ISDN BRI line interfaces (in addition to the 4x BRI on the mainboard)
  • Infineon PEB2086 (ISAC-S)
• VGA input and output (presumably for screen sharing of a PC)
  • Philips SAA7167 (YUV-to-RGB DAC)
  • ADI AD9884A (140Ms/s RGB ADC)
  • TI 9CAVXDK CBT16214 (multiplexer/demultiplexer)