s3c4510b Samsung Semiconductor, Inc., s3c4510b Datasheet - Page 284

• Manufacturer Part Number: s3c4510b
• Description: 16/32-bit Risc Microcontroller
• Manufacturer: Samsung Semiconductor, Inc.

ETHERNET CONTROLLER
Timing Parameters for MII Transactions
The timing diagrams in this section conform to the guidelines described in the "Draft Supplement to ANSI/IEEE
Std. 802.3, Section 22.3, Signal Characteristics."
7-62
TxD[3:0]
MDIO
MDC
Tx_clk
Tx_en
RxD[3:0],
Rx_DV,
Rx_clk
Rx_er
MDIO
MDC
Figure 7-25. Transmit Signal Timing Relationship at MII
Figure 7-26. Receive Signal Timing Relationship at MII
Figure 7-27. MDIO Sourced by PHY
Figure 7-28. MDIO Sourced by STA
7 Cycles
7 Cycles
10ns MIN
10ns MIN
INPUT VALID
INPUT VALID
10ns MIN
10ns MIN
0ns MIN, 25ns MAX
0ns MIN, 300ns MAX
S3C4510B