B/5B Encoder (Transmit) State Diagram Of Ks8910 - Samsung KS8910 User Manual

Preliminary Spec. ver
1.4
KS8910 100/10 Mbps ETHERNET TRANSCEIVER
TR_IDLE
transmitting = 0
COL= 0
TXbits = ' i dle
START STREAM J
START STREAM K
sent_code *
!TX_EN
transmitting = 0
COL = 0
TXbits = ' e sd1
END STREAM R
transmitting = 0
COL= 0
TXbits = idle
reset !
link_status != OK
transmitting = 0
COL= 0
TXbits = idle
sent_code *
TX_EN *
TX_ERR
transmitting = 1
COL= receiving
TXbits = ' s sd1
sent_code *
TX_EN *
!TX_ERR
transmitting = 1
COL= receiving
TXbits = ' s sd1
sent_code *
TX_ERR
transmitting = 1
COL= receiving
TXbits = ' s sd2
sent_code *
!TX_ERR
transmitting = 1
COL= receiving
TXbits = ' s sd2
sent_code *
TX_EN *
TX_ERR
transmitting = 1
COL= receiving
TXbits = ' h alt
TXbits = encode(TXD)
sent_code *
transmitting = 0
sent_code *
COL= 0
TXbits = ' e sd2
Figure 4-3. 4B/5B Encoder (Transmit) State Diagram of KS8910
START ERROR J
START ERROR K
TRANSMIT
sent_code *
TX_EN *
!TX_ERR
transmitting = 1
COL= receiving
END STREAM T
100BASE-TX DIGITAL BLOCKS
sent_code *
transmitting = 1
COL= receiving
TXbits = ' s sd2
sent_code *
transmitting = 1
COL= receiving
TXbits = ' h alt
sent_code *
TX_EN *
TX_ERR
transmitting = 1
COL= receiving
TXbits = ' h alt
sent_code *
TX_EN *
!TX_ERR
transmitting = 1
COL= receiving
TXbits = encode(TXD)
sent_code *
!TX_EN
transmitting = 0
COL = 0
TXbits = ' e sd1
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