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ST16C1550/51
2.97V TO 5.5V UART WITH 16-BYTE FIFO
REV. 4.2.0
FIGURE 3. ST16C1551 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
ST16C1551CQ48
RX
7
30 A0
TX
8
29 N.C.
28 A1
CS#
N.C.
N.C.
N.C.
9
10
11
12
27 A2
26 N.C.
25 N.C.
28-PDIP PACKAGES
D0
D1
D2
D3
D4
D5
D6
D7
RX
1
2
3
4
5
6
7
8
9
VCC
27 CD#
DSR#
25 CTS#
28
26
RESET
DTR#
RTS#
A0
24
23
22
21
20
28-PLCC PACKAGES
A1
TX 10
CS# 11
CLK 12
IOW# 13
GND 14
19 A2
INT
D4
D5
18
5
6
25
24
23
22
21
20
19
CTS#
17 RST
16 RI#
15 IOR#
RESET
DTR#
RTS#
A0
D6
7
D7
8
ST16C1551CJ28
RX
TX
9
A1
10
11
CS#
A2
3
EXAR [ EXAR CORPORATION ]
