Wiedmann BTX Modul

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BTX Adapter for Expansion Port of Schneider Joyce or CPC 6128. From german company Wiedmann.

Type: PC/HC Adapter
Country: Germany
Protocol: CEPT
Year: 6-1989
ID Number: 20110
See also - http://btxmuseum.de/Hardware/ (german)

Chipset

NEC D8251AFC - 8251 chip - usart
NEC D8253C-2 - 8253 chip - triple 16bit timer
MC1488N - Quad Line Driver
MC1489N - Quad Line Receiver
74LS138N - 3-line to 8-line decoder / demultiplexer
NE555N - General Purpose Single Bipolar Timer

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