Rainbow Electronics DS26504 User Manual
Page 62

DS26504 T1/E1/J1/64KCC BITS Element
62 of 128
Register Name:
IMR4
Register Description:
Interrupt Mask Register 4
Register Address:
1Bh
Bit
# 7 6 5 4 3 2 1 0
Name
— RSA1 RSA0 TMF TAF RMF RCMF RAF
Default
0 0 0 0 0 0 0 0
HW
Mode
X X X X X X X X
Bit 0: Receive Align Frame Event (RAF)
0 = interrupt masked
1 = interrupt enabled
Bit 1: Receive CRC4 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: Unused, must be set = 0 for proper operation.