MK5027 데이터 시트보기 (PDF) - STMicroelectronics

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MK5027

SS7 SIGNALLING LINK CONTROLLER

STMicroelectronics 

MK5027

Figure 4: MK5027 Buffer Management.

CSR 2, CSR3

POINTER TO

INITIALIZATI ON BLOCK

INITIALIZATI ON BLOCK

MODE

FRAME ADDRESS

FIELDS

TIMER VALUES

RX DESCRIPTOR

POINTER

TX DESCRIPTOR

POINTER

XID/TEST TRANSMIT

DESCRIPTOR POINTER

XID/TES T RECEIVE

DESCRI PTOR POINTER

STAT US

BUFFER ADDRESS

ERROR COUNTERS

STATUS BUFFER

XID /TEST

RECEIVE BUFFER

XID/T EST

TRANSMIT BUFFER

8/19

RECEI VER DESCRIPTOR RINGS

DESCRIPTOR 0

BUFFER STATUS

BUFFE R ADDRESS

BUFFER SIZE

BUFFER MSG COUNT

DESCRIPTOR 1

DESCRIPTOR M

TRANS MIT DESCRIPTOR RINGS

DESCRIPTOR 0

BUFFER STAT US

BUFFER ADDRESS

BUFFER SIZE

BUFFER MSG COUNT

DESCRIPTOR 1

DESCRIPTOR N

RECEIVE BUFFER

BUFFER

0

BUFFER

1

BUFFER

M

TRANSMIT BUFFER

BUFFER

0

BUFFER

1

BUFFER

N

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