Datasheet

www.national.com 40
DP83848YB
RMII and Bypass Register
17h RBR Re-
served
Re- served
Re- served
Re- served
Re- served
Re- served
Re- served
Re- served
Re- served
Re- served
RMII_M
ODE
RMII_RE
V1_0
RX_OVF
_STS
RX_UNF
_STS
RX_RD_
PTR[1]
RX_RD_
PTR[0]
LED Direct Control Register
18h LEDCR Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
DRV_SP
DLED
DRV_LN
KLED
DRV_AC
TLED
SPDLED LNKLED ACTLED
PHY Control Register
19h PHYCR MDIX_E
N
FORCE_
MDIX
PAUSE_
RX
PAUSE_
TX
BIST_fe PSR_15 BIST_
STATUS
BIST_ST
ART
BP_STR
ETCH
LED_
CNFG[1]
LED_
CNFG[0]
PHY
ADDR
PHY
ADDR
PHY
ADDR
PHY
ADDR
PHY
ADDR
10Base-T Status/Control Register
1Ah 10BT_S
ERIAL
10BT_S ERIAL
REJECT
100
BASE T
ERROR
RANGE
ERROR
RANGE
SQUELC
H
SQUELC H
SQUELC
H
LOOPBA
CK_10_
DIS
LP_DIS FORC_
LINK_10
Re-
served
POLARI-
TY
Re-
served
Re-
served
HEART_
DIS
JABBER
_DIS
CD Test Control and BIST Extensions Reg- ister
1Bh CDCTRL
1
BIST_ER
ROR_C
OUNT
BIST_ER
ROR_C
OUNT
BIST_ER ROR_C OUNT
BIST_ER
ROR_C
OUNT
BIST_ER
ROR_C
OUNT
BIST_ER ROR_C OUNT
BIST_ER
ROR_C
OUNT
BIST_ER
ROR_C
OUNT
Re-
served
Re-
served
BIST_C ONT_M
ODE
CDPattE
N_10
Re-
served
10Meg_
Patt_Ga
p
CDPatt-
Sel
CDPatt-
Sel
RESERVED
1Ch Re-
served
Re- served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Energy Detect Control Register
1Dh EDCR ED_EN ED_AUT
O_UP
ED_AUT
O_DOW
N
ED_MAN ED_BUR
ST_DIS
ED_PW R_STAT E
ED_ERR
_MET
ED_DAT
A_MET
ED_ERR _COUNT
ED_ERR _COUNT
ED_ERR _COUNT
ED_ERR
_COUNT
ED_DAT
A_COUN
T
ED_DAT
A_COUN
T
ED_DAT
A_COUN
T
ED_DAT
A_COUN
T
RESERVED
1Eh-1Fh Re-
served
Re- served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Re-
served
Table 11. Register Table
Register Name Addr Tag Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0