Section 21 Ethernet Controller Direct Memory Access Controller (E-DMAC)
Rev. 1.00 Mar. 12, 2008 Page 792 of 1178
REJ09B0403-0100
Transmit
FIFO
Receive
FIFO
Transmit
descriptor
Transmit
buffer
Receive
buffer
Receive
descriptor
Internal bus
Internal
bus
interface
Descriptor
information
Transmit DMAC
Receive DMAC
Descriptor
information
EtherC
E-DMAC
RAM
Figure 21.1 Configuration of E-DMAC, and Descriptors and Buffers
21.2 Register
Descriptions
The E-DMAC has the following registers.
•
E-DMAC mode register (EDMR)
•
E-DMAC transmit request register (EDTRR)
•
E-DMAC receive request register (EDRRR)
•
Transmit descriptor list address register (TDLAR)
•
Receive descriptor list address register (RDLAR)
•
EtherC/E-DMAC status register (EESR)
•
EtherC/E-DMAC status interrupt permission register (EESIPR)
•
Transmit/receive status copy enable register (TRSCER)
•
Receive missed-frame counter register (RMFCR)
•
Transmit FIFO threshold register (TFTR)
•
FIFO depth register (FDR)
•
Receiving method control register (RMCR)
Summary of Contents for H8S Family
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Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Page 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
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Page 1230: ...H8S 2472 Group H8S 2462 Group Hardware Manual...