Datasheet

ENC424J600/624J600 DS39935C-page 26  2010 Microchip Technology Inc.
TABLE 3-7: ENC424J600/624J600 REGISTER FILE SUMMARY
File
Name
8-Bit
High Byte (‘H’ Register) Low Byte (‘L’ Register)
ResetBit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
16-Bit 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
EUDAST — User-Defined Area Start Pointer (EUDAST<14:8>) User-Defined Area Start Pointer (EUDAST<7:0>) 00, 00
EUDAND — User-Defined Area End Pointer (EUDAND<14:8>) User-Defined Area End Pointer (EUDAND<7:0>) 5F, FF
ESTAT INT FCIDLE RXBUSY CLKRDY r PHYDPX r PHYLNK PKTCNT7 PKTCNT6 PKTCNT5 PKTCNT4 PKTCNT3 PKTCNT2 PKTCNT1 PKTCNT0 00, 00
EIR CRYPTEN MODEXIF HASHIF AESIF LINKIF r r r r PKTIF DMAIF r TXIF TXABTIF RXABTIF PCFULIF 0A, 00
ECON1 MODEXST HASHEN HASHOP HASHLST AESST AESOP1 AESOP0 PKTDEC FCOP1 FCOP0 DMAST DMACPY DMACSSD DMANOCS TXRTS RXEN 00, 00
ETXST — TX Start Address (ETXST<14:8>) TX Start Address (ETXST<7:0>) 00, 00
ETXLEN — TX Length (ETXLEN<14:8>) TX Length (ETXLEN<7:0>) 00, 00
ERXST — RX Buffer Start Address (ERXST<14:8>) RX Buffer Start Address (ERXST<7:0>) 53, 40
ERXTAIL — RX Tail Pointer (ERXTAIL<14:8>) RX Tail Pointer (ERXTAIL<7:0>) 5F, FE
ERXHEAD — RX Head Pointer (ERXHEAD<14:8>) RX Head Pointer (ERXHEAD<7:0>) 53, 40
EDMAST — DMA Start Address (EDMAST<14:8>) DMA Start Address (EDMAST<7:0>) 00, 00
EDMALEN — DMA Length (EDMALEN<14:8>) DMA Length (EDMALEN<7:0>) 00, 00
EDMADST — DMA Destination Address (EDMADST<14:8>) DMA Destination Address (EDMADST<7:0>) 00, 00
EDMACS DMA Checksum, High Byte (EDMACS<15:8>) DMA Checksum, Low Byte (EDMACS<7:0>) 00, 00
ETXSTAT — — — r r LATECOL MAXCOL EXDEFER DEFER r r CRCBAD COLCNT3 COLCNT2 COLCNT1 COLCNT0 00, 00
ETXWIRE Transmit Byte Count on Wire (including collision bytes), High Byte (ETXWIRE<15:8>) Transmit Byte Count on Wire (including collision bytes), Low Byte (ETXWIRE<7:0>) 00, 00
EHT1 Hash Table Filter (EHT1<15:8>) Hash Table Filter (EHT1<7:0>) 00, 00
EHT2 Hash Table Filter (EHT2<31:24>) Hash Table Filter (EHT2<23:16>) 00, 00
ETH3 Hash Table Filter (EHT3<47:40>) Hash Table Filter (EHT3<39:32>) 00, 00
ETH4 Hash Table Filter (EHT4<63:56>) Hash Table Filter (EHT4<55:48>) 00, 00
EPMM1 Pattern Match Filter Mask (EPMM1<15:8>) Pattern Match Filter Mask (EPMM1<7:0>) 00, 00
EPMM2 Pattern Match Filter Mask (EPMM2<15:8>) Pattern Match Filter Mask (EPMM2<7:0>) 00, 00
EPMM3 Pattern Match Filter Mask (EPMM3<15:8>) Pattern Match Filter Mask (EPMM3<7:0>) 00, 00
EPMM4 Pattern Match Filter Mask (EPMM4<15:8>) Pattern Match Filter Mask (EPMM4<7:0>) 00, 00
EPMCS Pattern Match Filter Checksum, High Byte (EPMCS<15:8>) Pattern Match Filter Checksum, Low Byte (EPMCS<7:0>) 00, 00
ERXFCON HTEN MPEN — NOTPM PMEN3 PMEN2 PMEN1 PMEN0 CRCEEN CRCEN RUNTEEN RUNTEN UCEN NOTMEEN MCEN BCEN 00, 59
EPMO Pattern Match Filter Offset, High Byte (EPMO<15:8>) Pattern Match Filter Offset, Low Byte (EPMO<7:0>) 00, 00
MACON1 r r — — r r r r — — — LOOPBK r RXPAUS PASSALL r x0, 0D
MACON2 — DEFER BPEN NOBKOFF — — r r PADCFG2 PADCFG1 PADCFG0 TXCRCEN PHDREN HFRMEN r FULDPX 40, B2
MABBIPG — — — — — — — — — BBIPG6 BBIPG5 BBIPG4 BBIPG3 BBIPG2 BBIPG1 BBIPG0 00, 12
MAIPG — r r r r r r r — IPG6 IPG5 IPG4 IPG3 IPG2 IPG1 IPG0 0C, 12
MACLCON — — r r r r r r — — — — MAXRET3 MAXRET2 MAXRET1 MAXRET0 37, 0F
MAMXFL MAC Maximum Frame Length, High Byte (MAMXFL<15:8>) MAC Maximum Frame Length, Low Byte (MAMXFL<7:0>) 05, EE
Legend: — = unimplemented, read as ‘ 0 ’; q = unique MAC address or silicon revision nibble; r = reserved bit, do not modify; x = Reset value unknown. Reset values are shown in hexadecimal for each byte.