XR82C684J/44-F Exar Corporation, XR82C684J/44-F Datasheet - Page 75

• Manufacturer Part Number: XR82C684J/44-F
• Description: Quad Channel UART
• Manufacturer: Exar Corporation

Specifications of XR82C684J/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

F.2 Output Port Configuration Registers (OPCR1 and OPCR2)
Output Port
Table 22
Figure 39A. Illustration of the “Clear Output Port Bit #2” Command and Its Effect on
-RTSA:
-RTSB:
TXCA_16X Output:
TXCA_1X Output:
RXCA_1X: Output:
TXCB_1X Output:
RXCB_1X Output:
C/T1_RDY:
RXRDY/-FFULL_A Output:
RXRDY/-FFULL_B Output:
-TXRDY_A Output:
-TXRDY_B Output:
-RTSC:
signal for the RTS function.
-RTSD
signal for the RTS function.
Output Port Register 2 and the State of the Output Port Pins
1
0
1
1
1
0
1
1
0
1
0
1
0
1
1
0
1
1
0
1
1
Alternate Function(s)
1
0
1
Note: This output is an Open-Drain, Active Low
Note: This output is an Open-Drain, Active Low
0
1
0
1
0
1
XR82C684
0
1
0
0
0
0
0
0
0
0