IN16C1058 Datasheet, PDF (11/66 Pages) IK Semicon Co., Ltd – Industrial Temperature Range

IN16C1058
OCTAL UART WITH 256-BYTE FIFO
JUNE 2009 REV 1.0
Table 2: Pin Description…continued
Name
nCTS0
nCTS1
nCTS2
nCTS3
nCTS4
nCTS5
nCTS6
nCTS7
nDTR0
nDTR1
nDTR2
nDTR3
nDTR4
nDTR5
nDTR6
nDTR7
nDSR0
nDSR1
nDSR2
nDSR3
nDSR4
nDSR5
nDSR6
nDSR7
nDCD0
nDCD1
nDCD2
nDCD3
nDCD4
nDCD5
nDCD6
nDCD7
nRI0
nRI1
nRI2
nRI3
nRI4
nRI5
nRI6
nRI7
Pin
Type
Description
70
I
Clear to Send (active low). These pins indicate the modem is ready to
82
I
accept transmitted data from the UART, and affect transmit and receive
92
I
operations only when Auto-CTS function is enabled.
108
I
120
I
2
I
14
I
24
I
69
O
Data Terminal Ready (active low). These pins indicate UART is ready to
81
O
transmit or receive data.
91
O
107
O
119
O
1
O
13
O
23
O
71
I
Data Set Ready (active low). These pins indicate modem is powered-on
81
I
and is ready for data exchange with UART.
93
I
109
I
121
I
3
I
15
I
25
I
76
I
Carrier Detect (active low). These pins indicate that a carrier has been
86
I
detected by modem.
102
I
112
I
124
I
6
I
18
I
28
I
77
I
Ring Indicator (active low). These pins indicate the modem has received a
87
I
ringing signal from telephone line. A low to high transition on these input
103
I
pins generates a modem status interrupt, if enabled.
113
I
125
I
7
I
19
I
29
I
11