pt7a6527 Pericom Technology Inc, pt7a6527 Datasheet - Page 17

• Manufacturer Part Number: pt7a6527
• Description: Hdlc Controller
• Manufacturer: Pericom Technology Inc

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Figure 15 Example of Transmission Control in the Slave Mode
Figure 16 Example of Collision Detection in the Multi-Master Mode
Figure 17 I/O Connections in the Master Mode
PT0080(02/09)
Note: The CDR is evaluated
Note: The CDR is evaluated
At the falling edge of DCL, for a DCL rate equal to the data rate;
At the falling edge of DCL immediately preceding the rising edge used for transmission, for a DCL rate twice the data rate.
At the falling edge of DCL, for a DCL rate equal to the data rate;
At the falling edge of DCL immediately preceding the rising edge used for transmission, for a DCL rate twice the data rate.
Single Connection Mode:
TXD0
Quad Connection Mode:
TXDi, i=0...3
Fixed Time-Slots
TS Mode
Programmable Time-Slots (TSR)
IOM Mode
Single Connection Mode:
TXD0
Quad Connection Mode:
TXDi, i=0...3
DCL or DCL 2
CDR
÷
DCL
RXD0
TXD0
CDR
Controller B
Controller A
Controller C
Controller D
Controller
Collision
Control
HDLC
17
Time Interval for Transmission
Programmable Time-Slots (TSR)
Opening Flag
TXD1 Data OUT
TXD2 Collision
OUT
CDR Data IN
HDLC controller
Data Sheet
PT7A6527
Ver:4