XR82C684JTR/44-F Exar Corporation, XR82C684JTR/44-F Datasheet - Page 36

• Manufacturer Part Number: XR82C684JTR/44-F
• Description: Quad Channel UART
• Manufacturer: Exar Corporation

Specifications of XR82C684JTR/44-F

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

XR82C684
8080A CPU
XR82C684
QUART
8228
Bi-directional
Bus Driver
SN74LS244
Figure 11. Circuit Schematic depicting approach to Interface the XR82C684 QUART to the 8080A CPU, for
“External” Vectored Interrupt Processing (Interrupt Service Routine resides at 0020 in Memory)
Figure 11
Table 7
C.6.2.4 8085 Microprocessor