xr82c684 Exar Corporation, xr82c684 Datasheet - Page 38

• Manufacturer Part Number: xr82c684
• Description: Cmos Quad Channel Uart Quart
• Manufacturer: Exar Corporation

XR82C684
74LS373
XR82C684
8085 CPU
Figure 13. Schematic of the XR82C684 Interface to the 8085 CPU Module (Memory Mapped)
Figure 13
8085 CPU Module Interrupt Structure
Note that
the XR82C684 QUART, in this case, is memory mapped
(e.g., the signals -MEMR and -MEMW of the CPU module
are connected to the -RD and -WR pins of the QUART).
Table 8