XR68C681J-F Exar Corporation, XR68C681J-F Datasheet - Page 63

• Manufacturer Part Number: XR68C681J-F
• Description: IC UART CMOS DUAL 44PLCC
• Manufacturer: Exar Corporation
• Type: CMOS Dual Channel UARTr

Specifications of XR68C681J-F

• Number Of Channels: 2, DUART
• Package / Case: 44-LCC (J-Lead)
• Features: *
• Fifo's: 1 Byte, 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Data Rate: 1 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current: 15 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 5 V
• Propagation Delay Time Ns: 400 ns
• No. Of Channels: 2
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: -40°C To +85°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: 1016-1324-5

Received
BRG Set
Delta IP3
Select
Break
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
OP7
Miscellaneous Commands
Framing
Delta IP2
Counter/Timer #1 Mode and Source
Error
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
OP6
Section B.2
Table 25. Output Port Configuration Register: OPCR
Parity Error
Table 27. Input Port Configuration Register , IPCR
Delta IP1
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
OP5
Table 4
Table 23. Command Registers: CRA, CRB
Table 26. Auxilliary Control Register: ACR
Table 24. Status Registers: SRA, SRB
Delta IP0
Overrun
Error
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
OP4
Delta IP3
Interrupt
TXEMT
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
IP3
Enable / Disable
Transmitter
OP3
Delta IP2
Interrupt
TXRDY
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
IP2
XR68C681
Delta IP1
Interrupt
FFULL
Bit 1
Bit 1
Bit 1
Bit 1
Bit 1
IP1
Enable / Disable
Receiver
OP2
Delta IP0
Interrupt
RXRDY
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
IP0