Rainbow Electronics DS2152 User Manual
Page 5

DS2152
031897 5/79
PIN LIST Table 1–1
PIN
SYMBOL
TYPE
DESCRIPTION
1
RCHBLK
O
Receive Channel Block
2
NC
–
No Connect
3
8MCLK
O
8.192 MHz Clock
4
NC
–
No Connect
5
NC
–
No Connect
6
RCL
O
Receive Carrier Loss
7
NC
–
No Connect
8
NC
–
No Connect
9
NC
–
No Connect
10
NC
–
No Connect
11
BTS
I
Bus Type Select
12
LIUC
I
Line Interface Connect
13
8XCLK
O
Eight Times Clock
14
TEST
I
Test
15
NC
–
No Connect
16
RTIP
I
Receive Analog Tip Input
17
RRING
I
Receive Analog Ring Input
18
RVDD
–
Receive Analog Positive Supply
19
RVSS
–
Receive Analog Signal Ground
20
RVSS
–
Receive Analog Signal Ground
21
MCLK
I
Master Clock Input
22
XTALD
O
Quartz Crystal Driver
23
NC
–
No Connect
24
RVSS
–
Receive Analog Signal Ground
25
INT
O
Interrupt
26
NC
–
No Connect
27
NC
–
No Connect
28
NC
–
No Connect
29
TTIP
O
Transmit Analog Tip Output
30
TVSS
–
Transmit Analog Signal Ground
31
TVDD
–
Transmit Analog Positive Supply
32
TRING
O
Transmit Analog Ring Output
33
TCHBLK
O
Transmit Channel Block
34
TLCLK
O
Transmit Link Clock