XR82C684JTR/44-F Exar Corporation, XR82C684JTR/44-F Datasheet - Page 76
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XR82C684JTR/44-F
Manufacturer Part Number
XR82C684JTR/44-F
Description
Quad Channel UART
Manufacturer
Exar Corporation
Datasheet
1.XR82C684CJ44-F.pdf
(107 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XR82C684JTR/44-F
Manufacturer:
Exar Corporation
Quantity:
10 000
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Note: The “shaded” Output Port pin alternate functions are only available in the 68 pin PLCC package option.
Note: the OPCRs only addresses the alternate functions for Output Port pins, OP2 - OP7 and OP10 - OP15. OP0, OP1,
OP8 and OP9 assume their RTS roles if either MR1n[7] = 1 or MR2n[5] = 1. Setting those Mode Register bits enables the
RTS function. Otherwise, these two ports will only be General Purpose Output Ports.
XR82C684
Output Port
OP15
Bit 7
Bit 7
OP7
TXCC_1X:
TXCC_16X:
RXCC_1X:
TXCD_1X:
RXCD_1X:
C/T2_RDY:
when used as the Counter/Timer Ready Output.
RXRDY/-FFULL_C:
Active-low output for the RXRDY/FFULL_C function.
RXRDY/-FFULL_D:
Active-low output for the RXRDY/FFULL_D function.
-TXRDY_C:
-TXRDY_D:
OP14
Bit 6
Bit 6
OP6
Table 22. Listing of the Alternate Functions for the Output Port
Table 23. Output Port Configuration Register 1 - OPCR1
Table 24. Output Port Configuration Register 2 - OPCR2
OP13
Bit 5
Bit 5
OP5
Alternate Function(s)
OP12
Bit 4
Bit 4
OP4
Note: This output is an Open-Drain output
Bit 3
Bit 3
Note: This is an Open-Drain,
Note: This is an Open-Drain,
OP11
OP3
Bit 2
Bit 2
Bit 1
Bit 1
OP10
OP2
Bit 0
Bit 0
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