HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 420

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

404
(1) Write to MII control
(2) Write to MII control
(3) Write to MII control
(1) Write to MII control
(2) Write to MII control
(3) Write to MII control
register
MMD = 1
MDO = write data
MDC = 0
register
MMD = 1
MDO = write data
MDC = 1
register
MMD = 1
MDO = write data
MDC = 0
register
MMD = 0
MDC = 0
register
MMD = 0
MDC = 1
register
MMD = 0
MDC = 0
Figure 9.6 (b) Bus Release Flowchart (TA in Read in Figure 9.5)
Figure 9.6 (a) 1-Bit Data Write Flowchart
MDC
MDO
MDC
MDO
1-bit data write timing
relationship
Bus release timing
relationship
(1) (2)
(1) (2)
(3)
(3)