XR-T6166 Datasheet, PDF (4/16 Pages) Exar Corporation – Codirectional Digital Data Processor

XR-T6166
PIN DESCRIPTION (CONT’D)
Pin #
17
18
19
20
21
22
23
24
25
26
27
28
Symbol
TX256kHz
BIT
PCMIN
TX2MHz
V_SS
CS
TS1R
TS2R
BDR
BIR
RTSEL
PCMOUT
Type
I
O
I
I
O
I
I
O
O
I
O
Description
Transmitter 256kHz Clock. Used to output 64kbps encoded data.
Transmitter Byte Insertion Flag. Active when a transmit byte is repeated. Active high.
Transmitter PCM Input. Data read from the system PCM bus.
Transmitter 2.048MHz Clock. Clocks PCM data in PCMIN.
Ground.
Clock Seek. Indicates that clock recovery circuit has loss of lock with received data. Active
high.
Receiver Time-slot 1 Input.
Receiver Time-slot 2 Input.
Receiver Byte Deletion Flag. Active when received data byte is deleted. Active high.
Receiver Byte Insertion Flag. Active when a received data byte is repeated. Active high.
Receive Time-slot Select. When high, pin 23 is selected; when low, pin 24 is selected.
Received PCM Output Data. Data sent to the system PCM bus.
Rev. 2.02
4