Datasheet

DS21352/DS21552
14 of 137
88 RCLKI I Receive Clock Input
89 RCLKO O Receive Clock Output
74 RD*(DS*) I Read Input(Data Strobe)
85 RDATA O Receive Data
97 RFSYNC O Receive Frame Sync
79 RLCLK O Receive Link Clock
78 RLINK O Receive Link Data
99 RLOS/LOTC O Receive Loss Of Sync/ Loss Of Transmit Clock
96 RMSYNC O Receive Multiframe Sync
87 RNEGI I Receive Negative Data Input
90 RNEGO O Receive Negative Data Output
86 RPOSI I Receive Positive Data Input
91 RPOSO O Receive Positive Data Output
17 RRING I Receive Analog Ring Input
95 RSER O Receive Serial Data
94 RSIG O Receive Signaling Output
93 RSIGF O Receive Signaling Freeze Output
98 RSYNC I/O Receive Sync
100 RSYSCLK I Receive System Clock
16 RTIP I Receive Analog Tip Input
18 RVDD – Receive Analog Positive Supply
19 RVSS – Receive Analog Signal Ground
20 RVSS – Receive Analog Signal Ground
24 RVSS – Receive Analog Signal Ground
33 TCHBLK O Transmit Channel Block
53 TCHCLK O Transmit Channel Clock
46 TCLK I Transmit Clock
40 TCLKI I Transmit Clock Input
41 TCLKO O Transmit Clock Output
50 TDATA I Transmit Data
49 TESO O Transmit Elastic Store Output
14 TEST I Test
34 TLCLK O Transmit Link Clock
35 TLINK I Transmit Link Data
39 TNEGI I Transmit Negative Data Input
42 TNEGO O Transmit Negative Data Output
38 TPOSI I Transmit Positive Data Input
43 TPOSO O Transmit Positive Data Output
32 TRING O Transmit Analog Ring Output
Table 4-1 PIN DESCRIPTION SORTED BY PIN SYMBOL (cont.)
47 TSER I Transmit Serial Data
48 TSIG I Transmit Signaling Input
52 TSSYNC I Transmit System Sync
37 TSYNC I/O Transmit Sync
51 TSYSCLK I Transmit System Clock
29 TTIP O Transmit Analog Tip Output
31 TVDD – Transmit Analog Positive Supply
30 TVSS – Transmit Analog Signal Ground
77 WR*(R/W*) I Write Input(Read/Write)
22 XTALD O Quartz Crystal Driver