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Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit name J1_READ Reserved Reserved Reserved Reserved Reserved Reserved Reserved
R/W R/W — ——— ———
Value 00 000 000
after
reset
ADDR=0x12D: Receive J1 Reading Control
Bit 7: J1_READ: When J1_READ transitions from 0 to 1, the HDMP-3001 will latch the 64-byte
string it received in the J1 byte and write the byte string to RX_J1[63:0].
Bits 6-0: Reserved
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit name Reserved Reserved Reserved Reserved Reserved Reserved J1_MODE Reserved
R/W —— ——— —R/W —
Value 00 000 000
after
reset
ADDR=0x12E: Receive J1 Mode Control
Bits 7-2: Reserved
Bit 1: J1_MODE: When J1_MODE = 1, the HDMP-3001 captures the 64 byte string it receives in the J1
byte position that ends with {0D,0A} and writes them to RX_J1[63:0]_[7:0]. When J1_MODE = 0,
the HDMP-3001 captures 64 consecutive J1 bytes from the specified tributary regardless of their
content and writes them to RX_J1[63:0]_[7:0].
Bit 0: Reserved