SH7764 Datasheet, PDF (775/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 19 Ethernet Controller (EtherC)
19.3.11 Lost Carrier Counter Register (LCCR)
LCCR is a 32-bit counter that indicates the number of times the carrier was lost during data
transmission. When the value in this register reaches H'FFFFFFFF, count-up is halted. The
counter value is cleared to 0 by a write to this register with any value.
Bit: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCC[31:16]
Initial value: 0
0
0
0
0
0
0
0
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 R/W R/W R/W R/W R/W R/W R/W R/W
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
LCC[15:0]
Initial value: 0
0
0
0
0
0
0
0
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 R/W R/W R/W R/W R/W R/W R/W R/W
Initial
Bit
Bit Name Value R/W
31 to 0 LCC[31:0] All 0 R/W
Description
Lost Carrier Count
These bits indicate the number of times the carrier was
lost during data transmission.
Rev. 1.00 Nov. 22, 2007 Page 719 of 1692
REJ09B0360-0100