HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 275

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

11.3.13 CRC Error Frame Counter Register (CEFCR)
CEFCR is a 32-bit counter that indicates the number of times a frame with a CRC error was
received. When the value in this register reaches H'FFFFFFFF, the count is halted. The counter
value is cleared to 0 by a write to this register with any value.
11.3.14 Frame Receive Error Counter Register (FRECR)
FRECR is a 32-bit counter that indicates the number of frames input from the PHY for which a
receive error was indicated by the RX-ER pin. FRECR is incremented each time the RX-ER pin
becomes active. When the value in this register reaches H'FFFFFFFF, the count is halted. The
counter value is cleared to 0 by a write to this register with any value.
11.3.15 Too-Short Frame Receive Counter Register (TSFRCR)
TSFRCR is a 32-bit counter that indicates the number of frames of fewer than 64 bytes that have
been received. When the value in this register reaches H'FFFFFFFF, the count is halted. The
counter value is cleared to 0 by a write to this register with any value.
Bit
31 to 0 CEFC31 to
Bit
31 to 0 FREC31 to
Bit
31 to 0 TSFC31 to
Bit Name
CEFC0
Bit Name
FREC0
Bit Name
TSFC0
Initial
Value
All 0
Initial
Value
All 0
Initial
Value
All 0
R/W
R/W
R/W
R/W
R/W
R/W
Description
CRC Error Frame Count
These bits indicate the count of CRC error frames
received.
Description
Frame Receive Error Count
These bits indicate the count of errors during frame
reception.
Description
Too-Short Frame Receive Count
These bits indicate the count of frames received with
a length of less than 64 bytes.
Rev. 6.00 Jun. 12, 2007 Page 243 of 610
Section 11 Ethernet Controller (EtherC)
REJ09B0131-0600