XR88C681CP/40-F Exar Corporation, XR88C681CP/40-F Datasheet - Page 90

• Manufacturer Part Number: XR88C681CP/40-F
• Description: IC UART CMOS DUAL 40PDIP
• Manufacturer: Exar Corporation
• Type: CMOS Dual Channel UARTr

Specifications of XR88C681CP/40-F

• Number Of Channels: 2, DUART
• Package / Case: 40-DIP (0.600", 15.24mm)
• Features: *
• Fifo's: 1 Byte, 3 Byte
• Voltage - Supply: 5V
• With Parallel Port: Yes
• With Cmos: Yes
• Mounting Type: Through Hole
• 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: Through Hole
• 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: 0°C To +70°C
• Digital Ic Case Style: DIP
• No. Of Pins: 40
• Filter Terminals: DIP
• 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: 1016-1328-5

Input Port
Input Port
BRG Set
Delta IP3
0 = Set1
1 = Set2
Change
Change
1 = Yes
1 = Yes
1 = On
C/T(15)
Select
0 = No
0 = No
0 = Off
C/T(7)
IVR(7)
Rev. 2.11
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Delta Break
Delta Break
Delta IP2
1 = On
C/T(14)
1 = Yes
1 = Yes
0 = No
0 = No
0 = Off
C/T(6)
IVR(6)
Counter/Timer #1 Mode and Source
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
B
B
Table 39. Counter/Timer Upper Byte Register, CTUR
Table 40. Counter/Timer Lower Byte Register, CTLR
See Table 7
Table 36. Input Port Configuration Register , IPCR
Delta IP1
FFULLB
FFULLB
RXRDY/
RXRDY/
C/T(13)
1 = Yes
1 = Yes
1 = On
0 = Off
0 = No
0 = No
IVR(5)
C/T(5)
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
Table 35. Auxiliary Control Register: ACR
Table 41. Interrupt Vector Register: IVR
Table 37. Interrupt Status Register, ISR
Table 38. Interrupt Mask Register, IMR
Delta IP0
TXRDYB
TXRDYB
1 = Yes
1 = Yes
1 = On
C/T(12)
0 = Off
0 = No
0 = No
IVR(4)
C/T(4)
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
90
Counter #1
Counter #1
Delta IP3
Interrupt
1 = High
0 = OFF
0 = Low
1 = Yes
1 = On
C/T(11)
1 = ON
Ready
0 = No
Ready
0 = Off
C/T(3)
IVR(3)
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
IP3
Delta Break
Delta Break
Delta IP2
Interrupt
1 = High
0 = OFF
0 = Low
1 = On
C/T(10)
1 = Yes
1 = ON
0 = No
0 = Off
IVR(2)
C/T(2)
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
IP2
A
A
Delta IP1
Interrupt
RXRDY/
FFULLA
RXRDY/
FFULLA
0 = OFF
1 = High
0 = Low
1 = Yes
1 = On
1 = ON
0 = Off
0 = No
IVR(1)
C/T(9)
C/T(1)
Bit 1
Bit 1
Bit 1
Bit 1
Bit 1
Bit 1
Bit 1
IP1
Delta IP0
Interrupt
TXRDYA
TXRDYA
0 = OFF
1 = High
0 = Low
1 = Yes
1 = On
1 = ON
0 = No
0 = Off
C/T(8)
C/T(0)
IVR(0)
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
IP0