UPD98404GJ-KEU 查看數據表（PDF） - NEC => Renesas Technology

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UPD98404GJ-KEU

ADVANCED ATM SONET FRAMER

NEC => Renesas Technology 

Serial to

parallel

Frame

synchro-

nization

(A1, A2)

Pointer processor

Descrambler

Cell

synchronization

HEC verification

HEC correction

Cell

descrambler

Rx FIFO,

7 cells

Parallel to

serial

+

Scrambler

+

Cell

scrambler

HEC

generator

Tx FIFO,

7 cells

BIP generator

(transmit side)

Transmission overhead

processor

(A1, A2, K2, Z2,

G1, H1, H2, H3)

Reception overhead

processor

(K2, Z2, G1, H1, H2, H3)

Transmission

overhead registers

(J0, Z0, C2, K2,etc.)

BIP generator

(receive side)

Transmission

timing generator

OAM controller

(performance register, etc.)

Reception

overhead registers

(J0, Z0, C2, K2, etc.)

Interrupt source

register

Mode register

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