ST16C1550/51
2.97V TO 5.5V UART WITH 16-BYTE FIFO
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REV. 4.2.0
FIGURE 2. ST16C1550 PINOUTS
48-TQFP PACKAGE
NOTE: PINOUTS NOT TO SCALE.
ACTUAL SIZE OF TQFP PACKAGE
IS SMALLER THAN PLCC PACKAGE.
1
2
36
35 N.C.
N.C.
N.C.
D4
N.C.
3
34
CTS#
D5
4
33 RESET
D6
5
32
31
DTR#
RTS#
D7
6
ST16C1550CQ48
RX
7
30 A0
TX
8
29 N.C.
28 A1
CS#
N.C.
N.C.
N.C.
9
10
11
12
27 A2
28-PDIP PACKAGES
26 N.C.
25 N.C.
D0
D1
1
2
VCC
28
27
26
25
24
23
22
CD#
DSR#
CTS#
RESET
DTR#
RTS#
D2
3
D3
4
D4
5
28-PLCC PACKAGES
D5
6
D6
7
D7
8
21 A0
20 A1
RX
9
A2
TX
10
11
12
13
14
19
18
17
16
15
D4
D5
CTS#
5
6
25
24
23
22
21
20
19
INT
CS#
XTAL1
XTAL2
IOW#
RESET
DTR#
RTS#
A0
RI#
D6
7
IOR#
GND
D7
8
ST16C1550CJ28
RX
TX
9
A1
10
11
CS#
A2
2
EXAR [ EXAR CORPORATION ]
