XR16M2751
2
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
REV. 1.0.0
FIGURE 2. PIN OUT ASSIGNMENT
ORDERING INFORMATION
PART NUMBER
PACKAGE
OPERATING TEMPERATURE RANGE
DEVICE STATUS
XR16M2751IM48
48-Lead TQFP
-40°C to +85°C
Active
48
47
46
45
44
43
42
41
40
39
38
37
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
21
22
23
24
D5
D6
D7
RXB
RXA
TXRDYB#
TXA
TXB
OP2B#
CSA#
CSB#
PWRSAVE
XT
AL
1
XT
AL
2
IOW
#
CDB
#
GN
D
RX
RDYB
#
IO
R
#
DS
RB
#
RI
B#
RT
SB
#
CT
SB
#
1
6
/68#
RESET
DTRB#
DTRA#
RTSA#
OP2A#
RXRDYA#
INTA
INTB
A0
A1
A2
CLKSEL
D4
D3
D2
D1
D0
TX
R
D
YA#
VCC
RI
A#
CD
A
#
DS
RA
#
CT
S
A
#
XR16M2751
48-pin TQFP
in 16 (Intel) Mode
VCC
H
DCNT
L
#
RXRDYA#
48
47
46
45
44
43
42
41
40
39
38
37
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
21
22
23
24
D5
D6
D7
RXB
RXA
TXRDYB#
TXA
TXB
OP2B#
CS#
A3
PWRSAVE
XT
A
L
1
XT
A
L
2
R/
W
#
CDB#
GN
D
RXRDY
B#
NC
DS
RB#
RI
B#
RT
S
B
#
CT
S
B
#
16/68
#
RESET#
DTRB#
DTRA#
RTSA#
OP2A#
IRQ#
NC
A0
A1
A2
CLKSEL
D4
D3
D2
D1
D0
T
X
RDY
A#
VC
C
RI
A#
CDA
#
DS
RA
#
CT
SA
#
XR16M2751
48-pin TQFP
in 68 (Motorola) Mode
GND
HDCN
T
L
#