XR16M752 EXAR [Exar Corporation], XR16M752 Datasheet - Page 2

• Manufacturer Part Number: XR16M752
• Description: HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

XR16M752/XR68M752
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
F
IGURE
TXRDYB#
TXRDYB#
TXRDYB#
OP2B#
OP2B#
CSA #
CSB #
OP2B#
CSA#
CSB#
RXB
RXA
TXA
TXB
RXB
RXA
TXA
TXB
D5
D6
D7
NC
RXB
RXA
CS#
D5
D6
D7
NC
TXA
TXB
D5
D6
D7
NC
A3
2. P
10
11
12
10
11
12
7
8
9
7
8
9
1
2
3
4
5
6
1
2
3
4
5
6
10
11
12
7
8
9
1
2
3
4
5
6
IN
O
UT
Intel Mode Only
A
48-pin TQFP
XR16M752
SSIGNMENT
Motorola Mode
48- pin TQFP
48- pin TQFP
XR68M 752
XR68M752
Intel Mode
36
35
34
33
32
31
30
29
28
27
26
25
RESET
A0
A1
A2
RTSA#
OP2A#
INTA
INTB
NC
DTRB#
DTRA#
RXRDYA#
36
35
34
33
32
31
30
29
28
27
26
25
36
35
34
33
32
31
30
29
28
27
26
25
GND
VCC
NC
N C
N C
A0
A1
A2
RESET
A0
A1
A2
DTRB#
DTRA#
RTSA#
OP2A#
RXRDYA #
IRQ#
DTRB#
DTRA#
RTSA#
OP2A#
RXRDYA #
INTA
INTB
RESET#
2
CSA#
CSB#
CSA#
CSB#
RXB
RXA
RXB
RXA
TXA
TXB
TXA
TXB
RXB
RXA
TXA
TXB
CS#
D6
D7
D6
D7
D6
D7
A3
1
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Intel Mode Only
Motorola Mode
32-pin QFN
32-pin QFN
XR16M752
XR68M752
Intel Mode
32-pin QFN
XR68M752
24
23
22
21
20
19
18
17
24
23
22
21
20
19
18
17
24
23
22
21
20
19
18
17
A0
A1
A2
16/68#
INTA
INTB
A0
A1
A2
RESET
RTSA#
NC
RTSA#
INTA
INTB
16/68#
RESET
RESET#
IRQ#
NC
A0
A1
A2
RTSA#
VCC
GND
REV. 1.0.2