Preliminary Information
Control and Status Registers
Master Control 1 (Page 01H)
MT9075B
Address
(A4A3A2A1A0)
Register
Names
10H (Table 13)
11H (Table 14)
Multiframe, National Bit Buffer and Data ASEL, MFSEL, NBTB & S - S
Link Selection Word
a4
a8
Mode Selection Control Word
TIU0, CRCM, RST, ARAI, AUTY, TxTRSP,
CSYN & AUTC
12H (Table 15)
13H (Table 16)
14H (Table 17)
15H (Table 18)
Non-Frame Alignment Control Word
Transmit Multiframe Alignment Signal
HDLC Selection Word
TIU1, TALM & TNU4-8
TMA1-4, X1, Y, X2 & X3
HDLC0, HDLC1, RxTRSP
Coding and Loopback Control Word
MLBK, HDB3, MFRF, DLBK, RLBK, SLBK &
PLBK
16H (Table 19)
Transmit Alarm Control Word
TAIS, TAIS0, TAIS16, TE, REFRM, 64KSEL,
DSToDE & CSToDE
17H
Reserved
Set all bits to zero for normal operation.
Unused.
18H
---
19H (Table 20)
1AH (Table 21)
National Use Bit Interrupt Mask Word
PRBSO,PRBSI,S nibI,S bitI,C8S I, S I, S I
a a a6 a6 a5
Interrupt, Signalling and BERT Control ODE, SPND, INTA, TxCCS, RPSIG, CNTCLR
Word
& MSN, 64KCCS
1BH (Table 22)
1CH (Table 23)
1DH (Table 24)
Interrupt Mask Word Zero
SYNI, RAII, AISI, AIS16I, LOSI, FERI, BPVO &
SLPI
Interrupt Mask Word One
Interrupt Mask Word Two
EBI, CRCI, CEFI, BPVI, RCR0I, RCR1I, BERI
& SIGI
EBOI, CRCOI, CALNI, FEROI, JAI, BEROI,
AUXPI & CMFOI
1EH (Table 25)
1FH (Table 26)
Interrupt Mask Word Three
Transmit Pulse Control Word
MFSYI, CSYNI, YI, 1SECI, T1I, T2I
CTXP, LL0, LL1, LL2
Table 12 - Master Control 1 (Page 01H)
29
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