HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 286

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 11 Ethernet Controller (EtherC)
Rev. 6.00 Jun. 12, 2007 Page 254 of 610
REJ09B0131-0600
(1)
(2) Read from PHY
(3) Write to PHY interface
(1)
(2) Write to PHY interface
(3) Write to PHY interface
Figure 11.6 (2) Bus Release Flowchart (TA in Read in Figure 11.5)
Write to PHY interface
register
MMD = 0
MDC = 1
interface register read
MMD = 0
MMC = 1
MDI is read data
register
MMD = 0
MDC = 0
Write to PHY interface
register
MMD = 0
MDC = 0
register
MMD = 0
MDC = 1
register
MMD = 0
MDC = 0
Figure 11.6 (3) 1-Bit Data Read Flowchart
MDC
MDI
MDC
MDO
Bus release timing
relationship
(1) (2)
1-bit data read timing
relationship
(1)
(2)
(3)
(3)