XR82C684J-F Exar Corporation, XR82C684J-F Datasheet - Page 49
XR82C684J-F
Manufacturer Part Number
XR82C684J-F
Description
Quad Channel UART
Manufacturer
Exar Corporation
Datasheet
1.XR82C684CJ44-F.pdf
(107 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XR82C684J-F
Manufacturer:
Exar Corporation
Quantity:
10 000
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XR82C684
Most Significant Byte
Least Significant Byte
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Table 10. The Relationship Between the Contents of the Interrupt Vector Registers (of the QUART)
and the Location of the Interrupt Service Routine (Z-80 CPU)
Note: The LSB of the IVR is always set to “0” once read by the CPU. Interrupt Service Routines must begin at even addresses.
Z80 CPU
XR82C684
Figure 23. Schematic of an Approach to Interface the QUART to the Z-80 CPU (for Z-Mode Operation)
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