XR16L651CM EXAR [Exar Corporation], XR16L651CM Datasheet - Page 2

• Manufacturer Part Number: XR16L651CM
• Description: 2.25V TO 5.5V UART WITH 32-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

ORDERING INFORMATION
XR16L651
2.25V TO 5.5V UART WITH 32-BYTE FIFO
F
IGURE
XR16L651CM
P
XR16L651IM
ART
2. I
N
NTEL
DSR#
CTS#
GND
CD#
UMBER
VCC
RI#
D0
D1
D2
D3
D4
A9
, M
PCMODE# tied to VCC
OTOROLA AND
36 35 34 33 32 31 30 29 28 27 26 25
1 2 3 4 5 6 7 8 9 10 11 12
IM# tied to GND and
Intel Bus Mode with
in Intel Bus Mode
XR16L651
48-TQFP
48-Lead TQFP
48-Lead TQFP
P
PC
DSR#
CTS#
ACKAGE
GND
CD#
VCC
RI#
D0
D1
D2
D3
D4
A9
MODE
36 35 34 33 32 31 30 29 28 27 26 25
1 2 3 4 5 6 7 8 9 10 11 12
P
PCMODE# tied to GND
PC Mode with IM# and
IOW#
ENIR
AS#
TXRDY#
S1
IOR
IOR#
GND
IOW
XTAL2
XTAL1
DDIS#
IN
O
in PC Mode
XR16L651
48-TQFP
UT
O
2
PERATING
DSR#
CTS#
VCC
CD#
VCC
RI#
A9
D0
D1
D2
D3
D4
-40°C to +85°C
0°C to +70°C
T
EMPERATURE
36 35 34 33 32 31 30 29 28 27 26 25
XTAL2
XTAL1
AEN#
IRQC
LPT2#
S1
A3
IOR#
GND
A8
IOW#
ENIR
1 2 3 4 5 6 7 8 9 10 11 12
Motorola Bus Mode with
PCMODE# tied to VCC
Motorola Bus Mode
IM# tied to VCC and
48-TQFP in
XR16L651
R
IM#
PCMODE#
ANGE
: PIN 37
: PIN 36
ENIR
AS#
TXRDY#
S1
GND
GND
GND
GND
DDIS#
R/W#
XTAL2
XTAL1
D
áç
áç
áç
áç
EVICE
Active
Active
S
TATUS
REV. 1.3.0