xr16m680 Exar Corporation, xr16m680 Datasheet - Page 2

• Manufacturer Part Number: xr16m680
• Description: 1.62v To 3.63v High Performance Uart With 32-byte Fifo
• Manufacturer: Exar Corporation

XR16M680
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 32-BYTE FIFO
F
IGURE
DSR#
CTS#
VCC
VCC
CD#
DSR#
RI#
NC
NC
D0
D1
D2
D3
D4
VCC
CD#
2. P
RI#
D0
D1
D2
D3
VCC
37
38
39
40
41
42
43
44
45
46
47
48
IN
36 35 34 33 32 31 30 29 28 27 26 25
27
29
30
31
32
1 2
25
26
28
O
UT
3
24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8
Intel Bus Mode
4
A
48-TQFP in
32- pin QFN in
Intel Bus Mode
5
SSIGNMENT
6
7
8
9 10 11 12
F
OR
24
23
22
21
20
19
18
17
16
15
14
13
32-
13
10
16
15
14
12
11
9
PIN
NC
NC
NC
NC
NC
IOR#
GND
NC
IOW#
XTAL2
XTAL1
PwrSave
NC
NC
IOR
GND
IOW
XTAL
XTAL
PwrSave
QFN
#
#
2
1
AND
DSR#
48-
2
VCC
CD#
RI#
D0
D1
D2
D3
PIN
GND
DSR#
CTS#
VCC
CD#
TQFP P
GND
25
26
27
28
29
30
31
32
RI#
NC
NC
D0
D1
D2
D3
D4
24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8
37
38
39
40
41
42
43
44
45
46
47
48
36 35 34 33 32 31 30 29 28 27 26 25
1
ACKAGES
32-pin QFN in
Motorola Bus
2
Motorola Bus Mode
3
Mode
48-TQFP in
4
5
6
I
N
7
16
8
AND
9 10 11 12
16
15
14
13
12
11
10 XTAL 1
9
68 M
NC
NC
IOR#
GND
R/W#
XTAL 2
PwrSave
24
23
22
21
20
19
18
17
16
15
14
13
ODE
NC
NC
NC
NC
NC
IOR#
GND
NC
R/W#
XTAL2
XTAL1
PwrSave
REV. 1.0.0
VCC
VCC