pt7a6525 Pericom Technology Inc, pt7a6525 Datasheet - Page 16

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

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PT0017(12/05)
Figure 5. The Protocol Process of Transmit/Receive Frames
Note: I(X, Y) = I(N(S), N(R)), RR(X) = RR(N(R)), RNR(X) = RNR(N(R))
processor
processor
processor
Micro-
Micro-
Micro-
RSC(RNR)
XMR
RSC(RR), XPR
XPR
RME, XPR
XPR
XPR
PCE
TIN
RME, XPR
WFA
WFA
t1
t1
t1
t1
Protocol Error
Poll Cycle
Station
Station
Station
Local
Local
Local
16
PT7A6525/6525L/6526 HDLC Controller
RR(1) (P=1)
RR(1) (f=1)
RR(0)p=1
RRp=1
RRp=1
RNR(1)
RR(1)
RR(2)
I(0, 0)
I(0, 1)
RR(1)
I(1, 1)
I(1, 1)
RR(2)
I(2, 1)
I(1, 3)
RR(2)
Remote
Remote
Remote
Station
Station
Station
Data Sheet
Ver:8