pt7a6525 Pericom Technology Inc, pt7a6525 Datasheet - Page 4

• Manufacturer Part Number: pt7a6525
• Description: Pt7a6525/6525l/6526 Hdlc Controller
• Manufacturer: Pericom Technology Inc

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Block Diagram
PT0017(12/05)
Figure 1. Block Diagram
ALE/IM0
DRQRA
DACKA
DRQTA
WR/IC0
DRQRB
DACKB
DRQTB
RD/IC1
A0~A6
D0~D7
RES
INT
IM1
CS
Controller
Processor
Interface
Micro
DMA
Transmit
Transmit
Receive
Receive
FIFO
FIFO
FIFO
FIFO
PT7A6525/6525L/6526 HDLC Controller
4
Controller
Controller
Channel A
Data
Link
Data
Link
Channel B
Controller
Controller
Collision
Collision
Detector
Detector
Clock
Clock
Data Sheet
CTSA/CxDA
CTSB/CxDB
RxDA
TxDA
RTSA
RxCLKA
AxCLKA
TxCLKA
RxDB
TxDB
RTSB
RxCLKB
AxCLKB
TxCLKB
Ver:8