1.4.1.5 - Norsk Data hardware - ND-100

Description

• The GPIB controller.
• Using 16 pieces of SRAM chip for the main memory, 4096 x 1 bit x 16 pieces (total 8 KB).
• Using 2 pieces of SRAM chip for the local memory, 1024 x 4 bits x 2 pieces (total 1 KB).
• Print: C   ECO: L
• PCB size 367 x 280 mm, 4 layers
• Release date xx. xxx. xxxx

Chipset

• 06300B
• 06400D
• 06401C
• 06500A
• 06501A
• 06502A
• 06503A
• 06600P
• 06601P
• 06602P
• AM2148 - SRAM x 2 pieces
• AM2942 - DMA address generator x 3 pieces
• AM9517 - DMA Controller x 2 pieces
• D2147 - SRAM x 16 pieces
• MK3880 - Microprocessor (Z80)
• MK3882 - CTC
• TMS9914 - GPIB Controller

LEDs

• LD6 (yellow) - System controller (syc)
• LD5 (yellow) - Remote OK
• LD4 (yellow) - DMA active
• LD3 (red) - Error
• LD2 (green) - Command FIFO empty
• LD1 (green) - Ready for transfer (rft)

Straps

• None

Switches

• TH1 - Device number
• SW1 - System controller switch (normally down)

Connectors

• (A) Single line GPIB bus
• (B) Differential line GPIB bus
• (C) Standard ND-100 system bus