Rainbow Electronics DS21458 User Manual
Page 77

DS21455/DS21458 Quad T1/E1/J1 Transceivers
77 of 270
Register Name:
IMR4
Register Description:
Interrupt Mask Register 4
Register Address:
1Dh
Bit
# 7 6 5 4 3 2 1 0
Name RAIS-CI RSA1 RSA0 TMF TAF RMF RCMF RAF
Default
0
0 0 0 0 0 0 0
Bit 0/Receive Align Frame Event (RAF).
0 = interrupt masked
1 = interrupt enabled
Bit 1/Receive CRC-4 Multiframe Event (RCMF).
0 = interrupt masked
1 = interrupt enabled
Bit 2/Receive Multiframe Event (RMF).
0 = interrupt masked
1 = interrupt enabled
Bit 3/Transmit Align Frame Event (TAF).
0 = interrupt masked
1 = interrupt enabled
Bit 4/Transmit Multiframe Event (TMF).
0 = interrupt masked
1 = interrupt enabled
Bit 5/Receive Signaling All-Zeros Event (RSA0).
0 = interrupt masked
1 = interrupt enabled
Bit 6/Receive Signaling All-Ones Event (RSA1).
0 = interrupt masked
1 = interrupt enabled
Bit 7/Receive AIS-CI Event (RAIS-CI)
0 = interrupt masked
1 = interrupt enabled