DS2154
PIN LIST Table 1-1
PIN
1
SYMBOL
RCHBLK
NC
TYPE
DESCRIPTION
Receive Channel Block.
O
-
2
No Connect.
3
8MCLK
NC
O
-
8.192 MHz Clock.
No Connect.
4
5
NC
-
No Connect.
6
RCL
O
-
Receive Carrier Loss.
No Connect.
7
NC
8
NC
-
No Connect.
9
NC
-
No Connect.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
NC
-
No Connect.
BTS
I
Bus Type Select.
LIUC
8XCLK
TEST
NC
I
Line Interface Connect.
Eight Times Clock.
Test.
O
I
-
No Connect.
RTIP
RRING
RVDD
RVSS
RVSS
MCLK
XTALD
NC
I
Receive Analog Tip Input.
Receive Analog Ring Input.
Receive Analog Positive Supply
Receive Analog Signal Ground.
Receive Analog Signal Ground.
Master Clock Input.
Quartz Crystal Driver.
No Connect.
I
-
-
-
I
O
-
RVSS
-
Receive Analog Signal Ground.
Interrupt.
O
INT
NC
26
27
28
29
30
31
32
33
34
35
-
-
No Connect.
NC
No Connect.
NC
-
No Connect.
TTIP
O
-
Transmit Analog Tip Output.
Transmit Analog Signal Ground.
Transmit Analog Positive Supply.
Transmit Analog Ring Output.
Transmit Channel Block.
Transmit Link Clock.
Transmit Link Data.
TVSS
TVDD
TRING
TCHBLK
TLCLK
TLINK
-
O
O
O
I
7 of 87
DALLAS [ DALLAS SEMICONDUCTOR ]
