Instruction Manual

DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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Register Name:
TR.IMR6, TR.IMR7
Register Description:
HDLC # 1 Interrupt Mask Register 6
HDLC # 2 Interrupt Mask Register 7
Register Address:
21h, 23h
Bit # 7 6 5 4 3 2 1 0
Name — TMEND RPE RPS RHWM RNE TLWM TNF
Default 0 0 0 0 0 0 0 0
Bit 6: Transmit Message-End Event (TMEND)
0 = interrupt masked
1 = interrupt enabled
Bit 5: Receive Packet-End Event (RPE)
0 = interrupt masked
1 = interrupt enabled
Bit 4: Receive Packet-Start Event (RPS)
0 = interrupt masked
1 = interrupt enabled
Bit 3: Receive FIFO Above High-Watermark Condition (RHWM)
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only
Bit 2: Receive FIFO Not Empty Condition (RNE)
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only
Bit 1: Transmit FIFO Below Low-Watermark Condition (TLWM)
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only
Bit 0: Transmit FIFO Not Full Condition (TNF)
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only