Owner's manual

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