Philips SC28L91 User Manual
Philips Semiconductors
Product data sheet
SC28L91
3.3 V or 5.0 V Universal Asynchronous
Receiver/Transmitter (UART)
Receiver/Transmitter (UART)
2004 Oct 21
5
PIN CONFIGURATION DIAGRAM
68XXX PIN CONFIGURATION
Pin
Function
1
A3
2
IP0
3
R/WN
4
DACKN
5
V
CC
6
No Connection
7
OP1
8
OP3
9
OP5
10
OP7
11
I/M
12
D1
13
D3
14
D5
15
D7
Pin
Function
16
GND
17
GND
18
INTRN
19
D6
20
D4
21
D2
22
D0
23
NC
24
OP6
25
OP4
26
OP2
27
OP0
28
TxDA
29
RxDA
30
x1/clk
Pin
Function
31
x2
32
RESETN
33
CEN
34
IP2
35
IACKN
36
IP5
37
IP4
38
V
CC
39
V
CC
40
A0
41
IP3
42
A1
43
IP1
44
A2
PQFP
44
34
1
11
33
23
12
22
SD00700
1
39
17
28
40
29
18
7
PLCC
6
SD00701
Pin
Function
1
NC
2
A0
3
IP3
4
A1
5
IP1
6
A2
7
A3
8
IP0
9
R/WN
10
DACKN
11
V
CC
12
I/M
13
No Connection
14
OP1
15
OP3
Pin
Function
16
OP5
17
OP7
18
D1
19
D3
20
D5
21
D7
22
V
SS
23
NC
24
INTRN
25
D6
26
D4
27
D2
28
D0
29
OP6
30
OP4
Pin
Function
31
OP2
32
OP0
33
TxDA
34
NC
35
RxDA
36
X1/CLK
37
X2
38
RESETN
39
CEN
40
IP2
41
IACKN
42
IP5
43
IP4
44
V
CC
Note: Pins marked “No Connection” must NOT be connected.