XR82C684CJ-F Exar Corporation, XR82C684CJ-F Datasheet - Page 18

• Manufacturer Part Number: XR82C684CJ-F
• Description: IC UART CMOS QUAD 68PLCC
• Manufacturer: Exar Corporation
• Type: CMOS Quad Channel UARTr

Specifications of XR82C684CJ-F

• Number Of Channels: 4, QUART
• Package / Case: 68-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: 68
• 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: 1016-1326-5

Table 1
the suffix “n” is used at the end of many of the QUART
registers symbols in order to refer, generically, to any one
of the four channels
XR82C684
Bit 7
Bit 7
Bit 6
Miscellaneous Commands
Bit 6
Bit 5
Bit 4
Bit 5
Null Command:
Reset MRn Pointer:
Reset Receiver:
Reset Transmitter:
Reset Error Status:
Reset Break Change Interrupt:
Please note that
CRA, CRB, CRC, CRD
Bit 4
Table 2
B.2 Command Decoding
commands 116 through B effects only the performance of
Command Register’s Channel. However, commands C
and D effects system (or chip) level operation.
Enable/Disable Receiver
Bit 3
Description
Bit 2
Please note that the upper nibble
Enable/Disable Transmitter
Bit 1
Section G.3
Bit 0