CN8478 Datasheet, PDF (109/221 Pages) Conexant Systems, Inc – Multichannel Synchronous Communications Controller (MUSYCC)

CN8478/CN8474A/CN8472A/CN8471A
Multichannel Synchronous Communications Controller (MUSYCC™)
5.0 Memory Organization
5.2 Descriptors
The host can read and write the Receive Time Slot Map information from
within MUSYCC; however, the host can only write Transmit Time Slot Map into
MUSYCC. The transmit maps are stored in write-only registers. Reading transmit
maps results in all 1s being returned.
Table 5-15. Time Slot Descriptor
Bit
Field
Name
Value
31:29
28:24
23:21
20:16
15:13
12:8
7:5
4:0
TSEN3[2:0]
CH3[4:0]
TSEN2[2:0]
CH2[4:0]
TSEN1[2:0]
CH1[4:0]
TSEN0[2:0]
CH0[4:0]
0
1–3
4
5
6
7
0–31
0
1–3
4
5
6
7
0–31
0
1–3
4
5
6
7
0–31
0
1–3
4
5
6
7
0–31
Description
Time Slot Disabled. Default.
Reserved.
Time Slot Enabled. 64 kbps mode.
Time Slot Enabled. 56 kbps mode.
Time Slot Enabled. Subchannel mode w/o first bit.
Time Slot Enabled. Subchannel mode w/ first bit.
Channel number assigned to this time slot.
Time Slot Disabled. Default.
Reserved.
Time Slot Enabled. 64 kbps mode.
Time Slot Enabled. 56 kbps mode.
Time Slot Enabled. Subchannel mode w/o first bit.
Time Slot Enabled. Subchannel mode w/ first bit.
Channel number assigned to this time slot.
Time Slot Disabled. Default.
Reserved.
Time Slot Enabled. 64 kbps mode.
Time Slot Enabled. 56 kbps mode.
Time Slot Enabled. Subchannel mode w/o first bit.
Time Slot Enabled. Subchannel mode w/ first bit.
Channel number assigned to this time slot.
Time Slot Disabled. Default.
Reserved.
Time Slot Enabled. 64 kbps mode.
Time Slot Enabled. 56 kbps mode.
Time Slot Enabled. Subchannel mode w/o first bit.
Time Slot Enabled. Subchannel mode w/ first bit.
Channel number assigned to this time slot.
100660E
Conexant
5-23