SCN2681 查看數據表（PDF） - Philips Electronics
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SCN2681 Datasheet PDF : 30 Pages
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Philips Semiconductors
Dual asynchronous receiver/transmitter (DUART)
Product specification
SCN2681
PIN CONFIGURATIONS
A0 1
IP3 2
40 VCC
39 IP4
A1 3
38 IP5
IP1 4
37 IP6
A2 5
36 IP2
A3 6
35 CEN
IP0 7
34 RESET
WRN 8
33 X2
RDN 9
32 X1/CLK
RXDB 10
31 RXDA
DIP
TXDB 11
30 TXDA
OP1 12
29 OP0
OP3 13
28 OP2
OP5 14
27 OP4
OP7 15
26 OP6
D1 16
25 D0
D3 17
24 D2
D5 18
23 D4
D7 19
22 D6
GND 20
21 INTRN
A0 1
A1 2
A2 3
28 VCC
27 IP2
26 CEN
A3 4
25 RESET
WRN 5
24 X2
RDN 6
23 X1/CLK
RXDB 7
TXDB 8
22 RXDA
DIP
21 TXDA
OP1 9
20 OP0
D1 10
19 D0
D3 11
18 D2
D5 12
17 D4
D7 13
16 D6
GND 14
15 INTRN
A1 1
A2 2
A3 3
WRN 4
RDN 5
RXDB 6
TXDB 7
D1 8
D3 9
D5 10
D7 11
GND 12
24 A0
23 VCC
22 CEN
21 RESET
20 X1/CLK
19 RXDA
DIP
18 TXDA
17 D0
16 D2
15 D4
14 D6
13 INTRN
INDEX
CORNER
6
7
1
40
39
PLCC
17
18
TOP VIEW
29
28
PIN/FUNCTION
1 NC
2 A0
3 IP3
4 A1
5 IP1
6 A2
7 A3
8 IP0
9 WRN
10 RDN
11 RXDB
12 NC
13 TXDB
14 OP1
15 OP3
16 OP5
17 OP7
18 D1
19 D3
20 D5
21 D7
22 GND
PIN/FUNCTION
23 NC
24 INTRN
25 D6
26 D4
27 D2
28 D0
29 OP6
30 OP4
31 OP2
32 OP0
33 TXDA
34 NC
35 RXDA
36 X1/CLK
37 X2
38 RESET
39 CEN
40 IP2
41 IP6
42 IP5
43 IP4
44 VCC
Figure 1. Pin Configurations
SD00084
1998 Sep 04
3
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