BT VS1 » History » Revision 5
Revision 4 (laforge, 12/10/2023 09:10 PM) → Revision 5/9 (laforge, 12/10/2023 09:11 PM)
h1. BT VS1 This is a British Telecom ISDN video phone used in the UK. {{thumbnail(20231207_185140.jpg)}} {{thumbnail(20231207_185128.jpg)}} {{thumbnail(20231207_185116.jpg)}} {{thumbnail(20231207_185239.jpg)}} It looks like it may have been originally manufactured by Tandberg, and could be a rebranded version of the _Vision 600/770_ series described at https://digitaltmuseum.no/021026869265/apparat h2. Hardware h3. Mainboard |_.Manufacturer|_.Part Nr|_.Description|_.Data Sheet| |Motorola|M68360|M68k based microcontroller|| |Samsung|M416C1200CJ-6|RAM (2x for M68k)|| |8x8|8x83105AKAB|Video Codec ASIC|| |Samsung|M416C1200CJ-6|RAM (2x for 8x8?)|| |Analog Devices|ADSP-2181|Digital Signal Processor (audio?)|| |IDT|71024|? 4x next to 8x8|| |Intel|E28F016SA|NOR flash (2x for M68k?)|| |Xilinx|XC95108|glue logic?|| |Siemens|PEB2086N ISAC-S V1.1|ISDN controller|| |Brooktree|Bt864KPF||| |?|HMP8115CN||| |Crystal|CS42150-KL|Audio ADC/DAC|| |?|?|PLCC EPROM (M68k boot rom?); Label: S0 1549E| rom?)| |IC Designs|IDC2051SC|Programmable Clock Generator|| |Linear|LT1039CSW|RS-232 driver (2x for DB-9)|| |Linear|LTC489CSW|RS-485 (2x)|| |Linear|LTC487CSW|RS-485|| h3. Power Supply TBD h3. Display TBD h3. Camera TBD