xr82c684 Exar Corporation, xr82c684 Datasheet - Page 36
xr82c684
Manufacturer Part Number
xr82c684
Description
Cmos Quad Channel Uart Quart
Manufacturer
Exar Corporation
Datasheet
1.XR82C684.pdf
(107 pages)
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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