XR16L2751CM EXAR [Exar Corporation], XR16L2751CM Datasheet - Page 8

• Manufacturer Part Number: XR16L2751CM
• Description: 2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
• Manufacturer: EXAR [Exar Corporation]

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F
IGURE
3. XR16L2751 T
UART_RESET
UART_RESET#
UART_CSA#
UART_CSB#
UART_IRQ#
UART_CS#
UART_INTA
UART_INTB
RXRDYA#
RXRDYB#
RXRDYA#
RXRDYB#
TXRDYA#
TXRDYB#
TXRDYA#
TXRDYB#
IOW #
R/W#
IOR#
A0
A1
A2
A0
A1
A2
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
A3
YPICAL
I
NTEL
/M
Motorola Data Bus Interconnections
OTOROLA
Intel Data Bus Interconnections
2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
(no connect)
VCC
D
ATA
8
B
CSB#
CSA#
RESET#
IOW#
INTA
INTB
IOR#
IOW #
CSA#
CSB#
IOR#
RESET
TXRDYA#
RXRDYA#
TXRDYB#
RXRDYB#
US
INTA
INTB
TXRDYA#
RXRDYA#
TXRDYB#
RXRDYB#
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A0
A1
A2
I
NTERCONNECTIONS
Channel A
Channel B
Channel A
Channel B
UART
UART
UART
UART
DSRA#
DSRA#
DTRA#
RTSA#
CTSA#
DTRB#
DSRB#
DTRA#
RTSA#
CTSA#
DTRB#
DSRB#
RTSB#
CTSB#
RTSB#
CTSB#
OP2A#
OP2A#
OP2B#
OP2B#
CDA#
CDA#
CDB#
CDB#
GND
GND
RIA#
RIA#
VCC
RIB#
VCC
RIB#
TXA
RXA
TXA
RXA
TXB
RXB
TXB
RXB
VCC
VCC
(notconnect)
(no connect)
(no connect)
(no connect)
Serial Interface of
Serial Interface of
Serial Interface of
Serial Interface of
RS-232, RS-485
RS-232, RS-485
RS-232, RS-485
RS-232, RS-485
2751_mot
2750_int
XR16L2751
REV. 1.0.0