Datasheet

DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
11 of 124
PIN NAME TYPE FUNCTION
49 TESO O Transmit Elastic Store Output
50 TDATA I Transmit Data
51 TSYSCLK I Transmit System Clock
52 TSSYNC I Transmit System Sync
53 TCHCLK O Transmit Channel Clock
54 CO O Carry Out
55 MUX I Bus Operation
56 D0/AD0 I/O Data Bus Bit0/Address/Data Bus Bit 0
57 D1/AD1 I/O Data Bus Bit1/Address/Data Bus Bit 1
58 D2/AD2 I/O Data Bus Bit 2/Address/Data Bus 2
59 D3/AD3 I/O Data Bus Bit 3/Address/Data Bus Bit 3
62 D4/AD4 I/O Data Bus Bit4/Address/Data Bus Bit 4
63 D5/AD5 I/O Data Bus Bit 5/Address/Data Bus Bit 5
64 D6/AD6 I/O Data Bus Bit 6/Address/Data Bus Bit 6
65 D7/AD7 I/O Data Bus Bit 7/Address/Data Bus Bit 7
66 A0 I Address Bus Bit 0
67 A1 I Address Bus Bit 1
68 A2 I Address Bus Bit 2
69 A3 I Address Bus Bit 3
70 A4 I Address Bus Bit 4
71 A5 I Address Bus Bit 5
72 A6 I Address Bus Bit 6
73 ALE (AS)/A7 I Address Latch Enable/Address Bus Bit 7
74
RD (DS)
I Read Input (Data Strobe), Active Low
75
CS
I Chip Select, Active Low
76
FMS
I Framer Mode Select
77
WR (R/W)
I Write Input (Read/Write), Active Low
78 RLINK O Receive Link Data
79 RLCLK O Receive Link Clock
82 RCLK O Receive Clock
85 RDATA O Receive Data
86 RPOSI I Receive Positive Data Input
87 RNEGI I Receive Negative Data Input
88 RCLKI I Receive Clock Input
89 RCLKO O Receive Clock Output
90 RNEGO O Receive Negative Data Output
91 RPOSO O Receive Positive Data Output
92 RCHCLK O Receive Channel Clock
93 RSIGF O Receive Signaling Freeze Output
94 RSIG O Receive Signaling Output
95 RSER O Receive Serial Data
96 RMSYNC O Receive Multiframe Sync
97 RFSYNC O Receive Frame Sync
98 RSYNC I/O Receive Sync
99 RLOS/LOTC O Receive Loss Of Sync/ Loss Of Transmit Clock
100 RSYSCLK I Receive System Clock