Maxim Integrated DS33Z41 - Manual (Page 88)

DS33Z41 Quad IMUX Ethernet Mapper
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Register Name:
RBCB1
Register Description: Receive Bit Count Byte 1 Register #1
Register Address: 99h
Bit
# 7 6 5 4 3 2 1 0
Name BC15 BC14 BC13 BC12 BC11 BC10 BC9 BC8
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: Bit Count (BC15 to BC8). Eight bits of a 32-bit value. Register description below.
Register Name:
RBCB2
Register Description: Receive Bit Count Byte 2 Register
Register Address: 9Ah
Bit
# 7 6 5 4 3 2 1 0
Name BC23 BC22 BC21 BC20 BC19 BC18 BC17 BC16
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: Bit Count (BC23 to BC16). Eight bits of a 32-bit value. Register description below.
Register Name:
RBCB3
Register Description: Receive Bit Count Byte 3 Register
Register Address: 9Bh
Bit
# 7 6 5 4 3 2 1 0
Name BC31 BC30 BC29 BC28 BC27 BC26 BC25 BC24
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: Bit Count (BC31 to BC24). Upper 8-bits of the register.
Bit Count (BC31 to BC0). These 32 bits indicate the number of bits in the incoming data stream. This count
stops incrementing when it reaches a count of FFFF FFFFh. The associated bit counter will not incremented
when an OOS condition exists.