MT9075B
Preliminary Information
Page 0FH, addresses 10H to 1FH contain the 16 bytes of transmit message buffer zero
Bit
Name
Functional Description
7 - 0
TxB0.n.7 -
TxB0.n.0
Transmit Bits 7 to 0. This byte is transmit on a time slot when selected by the
TXMSG bit of the appropriate per time slot control word. n = 0 to 15 and represents
transmit timeslot numbers 0 to 15.
Table 102 - Transmit Message Mode Buffer Zero (Page 0FH)
Page 10H, addresses 10H to 1FH contain the 16 bytes of transmit message buffer one
Bit
Name
Functional Description
7 - 0
TxB1.n.7 -
TxB1.n.0
Transmit Bits 7 to 0. This byte is transmit on a time slot when selected by the
TXMSG bit of the appropriate per time slot control word. n = 0 to 15 and represents
transmit timeslot numbers 16 to 31.
Table 103 - Transmit Message Mode Buffer One (Page 10H)
Receive Message Mode Buffer Zero and One (Pages 11H and 12H)
Pages 11H and 12H - Receive Message Buffer 0 and 1 respectively, contain 32 bytes of memory. Each byte is
updated once per frame by the equivalent PCM 30 channel from the receive data stream.
Page 0FH (Rx Message
Buffer 0) Address:
0
0
0
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
9
9
9
10 11 12 13 14 15
10 11 12 13 14 15
10 11 12 13 14 15
Equivalent PCM 30
Timeslots
Page 10H (Rx Message
Buffer 1) Address:
Equivalent PCM 30 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Timeslots
Table 104 - Pages 11H & 12H Address Mapping to CEPT Channels
Page 11H, addresses 10H to 1FH contain the 16 bytes of receive message buffer zero
Bit
Name
Functional Description
7 - 0
RxB0.n.7 -
RxB0.n.0
Receive Bits 7 to 0. Each byte is sourced from a time slot coming from the line data.
n=0 to 15 represents receive timeslots 0 to 15.
Table 105 - Receive Message Buffer Zero (Page 11H)
Page 12H, addresses 10H to 1FH contain the 16 bytes of receive message buffer one
Bit
Name
Functional Description
7 - 0
RxB1.n.7 -
RxB1.n.0
Receive Bits 7 to 0. Each byte is sourced from a time slot coming from the line data.
n=0 to 15 represents receive timeslots 16 to 31.
Table 106 - Receive Message Buffer One (Page 12H)
66
MITEL [ MITEL NETWORKS CORPORATION ]
