Section 9 Ethernet Controller (EtherC)
Rev. 2.00 Mar 09, 2006 page 396 of 906
REJ09B0292-0200
9.2.15
CRC Error Frame Counter Register (CEFCR)
Bit:
31
30
29
. . .
19
18
17
16
—
—
—
. . .
—
—
—
—
Initial value:
0
0
0
. . .
0
0
0
0
R/W:
R
R
R
. . .
R
R
R
R
Bit:
15
14
13
12
11
10
9
8
CEFC15 CEFC14 CEFC13 CEFC12 CEFC11 CEFC10 CEFC9
CEFC8
Initial value:
0
0
0
0
0
0
0
0
R/W:
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
7
6
5
4
3
2
1
0
CEFC7
CEFC6
CEFC5
CEFC4
CEFC3
CEFC2
CEFC1
CEFC0
Initial value:
0
0
0
0
0
0
0
0
R/W:
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
CEFCR is a 16-bit counter that indicates the number of times a frame with a CRC error was
received. When the value in this register reaches H'FFFF (65,535), the count is halted. The counter
value is cleared to 0 by a write to this register (the write value is immaterial).
Bits 31 to 16—Reserved: These bits are always read as 0. The write value should always be 0.
Bits 15 to 0—CRC Error Frame Count 15 to 0 (CEFC15 to CEFC0): These bits indicate the count
of CRC error frames received.
Note: When the Permit Receive CRC Error Frame bit (PRCEF) is set to 1 in the EtherC Mode
Register (ECMR), CEFCR is not incremented by reception of a frame with a CRC error.
Summary of Contents for SH7616
Page 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Page 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Page 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Page 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Page 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Page 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Page 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Page 935: ...SH7616 Hardware Manual ...