xr16c850im Exar Corporation, xr16c850im Datasheet - Page 2

• Manufacturer Part Number: xr16c850im
• Description: Uart With 128-byte Fifos And Infrared Irda Encoder/decoder
• Manufacturer: Exar Corporation

XR16C850
2.97V TO 5.5V UART WITH 128-BYTE FIFO
F
IGURE
2. P
-BAUDOUT
-BAUDOUT
RCLK
LPT1#
-CS2
N.C.
RCLK
CS0
CS1
N.C.
-CS2
N.C.
RX
D11
CS0
CS1
D5
D6
D7
TX
N.C.
RX
D5
D6
D7
S2
A4
TX
A5
A6
A7
D5
D6
D7
RX
TX
INOUTS
10
11
12
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
48-TQFP PACKAGE
I
N
Intel Bus Mode (SEL = VCC)
Intel Bus Mode (SEL = VCC)
I
NTEL
PC Mode (SEL = GND)
8-Bit Bus Mode Only
16-Bit Bus Mode
8-Bit Bus Mode
XR16C850CM
XR16C850CM
XR16C850CM
B
US
M
ODE
A
ND
36
35
34
33
32
31
30
29
28
27
26
25
36
35
34
33
32
31
30
29
28
27
26
25
36
35
34
33
32
31
30
29
28
27
26
25
PC M
SEL
RESET
OP1#/RS485
DTR#
RTS#
OP2#
INT
RXRDY#
A0
A1
A2
BUS 8/16
SEL
RESET
OP1#/RS485
DTR#
RTS#
OP2#
INT
RXRDY#
A0
A1
A2
BUS 8/16
SEL
RESET
OP1#/RS485
DTR#
RTS#
S3
IRQA
IRQB
A0
A1
A2
BUS 8/16
ODE
, TQFP A
2
BAUDOUT#
LPT1#
RCLK
CS2#
N.C.
CS0
CS1
RX
D5
D6
D7
TX
D5
D6
D7
RX
TX
S2
A4
A5
A6
A7
ND
10
11
12
13
14
15
16
17
10
11
12
13
14
15
16
17
7
8
9
7
8
9
PLCC P
44-PLCC PACKAGE
Intel Bus Mode (SEL = VCC)
PC Mode (SEL = GND)
8-Bit Bus Mode Only
8-Bit Bus Mode Only
ACKAGES
XR16C850CJ
XR16C850CJ
xr
39
38
37
36
35
34
33
32
31
30
29
39
38
37
36
35
34
33
32
31
30
29
RESET
OP1#/RS485
DTR#
RTS#
OP2#
INT
RXRDY#
A0
A1
A2
SEL
RESET
OP1#/RS485
DTR#
RTS#
S3
SEL
IRQA
IRQB
A0
A1
A2
REV. 2.3.1