NEC Network Controller uPD98502 - Manual (Page 291)

CHAPTER 5 ETHERNET CONTROLLER
Preliminary User’s Manual S15543EJ1V0UM 291
5.2.22 En_CAR1 (Carry Register 1)
The bits of this register indicate that an overflow event has occurred in statistics counters. Each bit corresponds to
a counter, and the bit is set to a ‘1’ when the corresponding statistics counter overflow event occurs.
Bits Field R/W Default Description
31:16 Reserved R/W 0 Reserved for future use. Write 0s.
15 C1VT R/W 0 En_RVBT counter carry bit
14 C1UT R/W 0 En_TUCA counter carry bit
13 C1BT R/W 0 En_TBCA counter carry bit
12 C1MT R/W 0 En_TMCA counter carry bit
11 C1PT R/W 0 En_TPCT counter carry bit
10 C1TB R/W 0 En_TBYT counter carry bit
9 C1MX R/W 0 En_RMAX counter carry bit
8 C11K R/W 0 En_R1K counter carry bit
7 C1FE R/W 0 En_R511 counter carry bit
6 C1TF R/W 0 En_R255 counter carry bit
5 C1OT R/W 0 En_R127 counter carry bit
4 C1SF R/W 0 En_R64 counter carry bit
3 C1BR R/W 0 En_RBCA counter carry bit
2 C1MR R/W 0 En_RMCA counter carry bit
1 C1PR R/W 0 En_RPKT counter carry bit
0 C1RB R/W 0 En_RBYT counter carry bit