SB16C1054_Data Sheet_EN

SB16C1054
QUAD UART WITH 256-BYTE FIFO
FEBRUARY 2009 REV 1.0
5
4
5. Pin Configuration
5.1 Pin Configuration for 80-Pin TQFP Package
Figure 2: 80-Pin TQFP Pin Configuration
27
9
63
CS1#
80
74
RI1# XTAL2
DSR3#
54
39
CTS1#
RXD0
VCC
DCD0#
NC - No internal connection
43
INT2
45
3
37
31
XTAL1
19
48
RXRDY1#/RXEN1
CTS3#
79
57
61
RI2#
50
INT3
76
DTR0#/TXEN0
41
RXD1
1
21
A0
59
RXRDY3#/RXEN3
13
60
64
NC
DCD3#
D2
CTS2#
67
NC
RXRDY#
75
22
78
DSR0#
30
15
68
TXRDY3#/TXEN3
8
RXRDY2#/RXEN2
RTS3#/TXEN3
RESET
IOR#
RXD3
RTS2#/TXEN2
29
56
CTS0#
TXD0
55
RTS0#/TXEN0
VCC
TXD1
D5
GND
14
72
RI3#
18
53 44
TXD3
CS2#
TXRDY2#/TXEN2
CS0#
52
10
36
TXRDY0#/TXEN0
A1
16
TXD2
62
DTR2#/TXEN2
DCD2#
17
DSR2#
51
28
46
DSR1#
NC
RXD2 A2
D6
INTSEL
INT0/GINT
D7
GND
34
RTS1#/TXEN1
33
71
11
32
4
DCD1#
NC
2
35
D0
73
38
40
DTR3#/TXEN3
49
TXRDY#
42
D4
CS3#
CLKSEL
65
70
66
RI0#
76
NC
69
26
IOW#
77
5
24
RXRDY0#/RXEN0
25
GND
VCC
23
GND
INT1
47
TXRDY1#/TXEN1
DTR1#/TXEN1
20
58
D3
12
D1