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Ethernet Control and Status registers
380
NS9750 Hardware Reference
Carry Register 1 Mask register
Address: A060 0738
D10 R/C C2TBC 0 Carry register 2 TBCA counter carry bit
D09 N/A Reserved N/A N/A
D08 R/C C2TDF 0 Carry register 2TDFR counter carry bit
D07 R/C C2TED 0 Carry register 2 TEDF counter carry bit
D06 R/C C2TSC 0 Carry register 2 TSCL counter carry bit
D05 R/C C2TMA 0 Carry register 2 TMCL counter carry bit
D04 R/C C2TLC 0 Carry register 2 TLCL counter carry bit
D03 R/C C2TXC 0 Carry register 2 TXCL counter carry bit
D02 R/C C2TNC 0 Carry register 2 TNCL counter carry bit
D01:00 N/A Reserved N/A N/A
Bits Access Mnemonic Reset Description
D31 R/W M164 1 Mask register 1 TR64 counter carry bit mask
D30 R/W M1127 1 Mask register 1 TR127 counter carry bit mask
D29 R/W M1255 1 Mask register 1 TR255 counter carry bit mask
D28 R/W M1511 1 Mask register 1 TR511 counter carry bit mask
D27 R/W M11K 1 Mask register 1 TR1K counter carry bit mask
D26 R/W M1MAX 1 Mask register 1 TRMAX counter carry bit mask
Table 234: Carry Register 1 Mask register
Bits Access Mnemonic Reset Description
Table 233: Carry Register 2
M1
RMC
M1
RBC
M1RXP
M1
RXC
M1
RXU
M1RAL
M1
RCD
M1
RCS
M1
RUN
M1
ROV
M1
RFR
M1
RJB
Not
used
13 12 11 10 9 8 7 6 5 4 3 2 1 015
14
M1
RPK
M1
RFC
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
M
1255
M
1511
M1
MAX
M
C11K
M1
MGV
M1
RBY
M164 M1127 Reserved
Not
used