XR82C684J-F Exar Corporation, XR82C684J-F Datasheet - Page 38

• Manufacturer Part Number: XR82C684J-F
• Description: Quad Channel UART
• Manufacturer: Exar Corporation

Specifications of XR82C684J-F

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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