XR82C684CJ/44-F Exar Corporation, XR82C684CJ/44-F Datasheet - Page 49

• Manufacturer Part Number: XR82C684CJ/44-F
• Description: IC UART CMOS QUAD 44PLCC
• Manufacturer: Exar Corporation
• Type: CMOS Quad Channel UARTr

Specifications of XR82C684CJ/44-F

• Number Of Channels: 4, QUART
• Package / Case: 44-LCC (J-Lead)
• Features: *
• Fifo's: 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Data Rate: 1 Mbps
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 4.75 V
• Supply Current: 15 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 5 V
• Propagation Delay Time Ns: 400 ns
• No. Of Channels: 4
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: PLCC
• No. Of Pins: 44
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1325-5

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)