cx28560 Mindspeed Technologies, cx28560 Datasheet - Page 138

• Manufacturer Part Number: cx28560
• Description: Hdlc Controller
• Manufacturer: Mindspeed Technologies

The CX28560 Memory Organization
Table 5-49. TSIU Group Map
5-48
31:13
13:3
Bit
2
1
0
RSVD
TCHANNEL[10:0]
TTS_ENABLE
TMASKEN_SB
TLAST_TS
Field Name
When DS0 extraction mode is enabled, the receive group map for that group is
referred to in order to attain relevant information regarding the channel number, slot
enabled, mask enabled and first time slot bits. The format of an entry in the Group is
shown in
Value
—
0
0
1
0
1
0
1
Table
Reserved.
Logical channel number assigned to the time slot.
Time Slot Disabled.
Time Slot Enabled.
The TMASK_SB bit field (TSLP Channel Configuration Descriptor) is ignored. All the 8
bits of the time slot are processed.
Allow data mask for the specified time slot. The bits specified by TMASK_SB bit field
(TSLP Channel Configuration Descriptor) are processed.
This bit field indicates that the specified time slot is not the last time slot of the logical
channel.
This bit field indicates that the specified time slot is the last time slot of the logical
channel.
NOTE(S):
defined to operate over the serial port must have one time slot assigned to that logical
channel that is defined as the first time slot for that channel.
Mindspeed Technologies™
5-49.
If a serial port is configured to operate in channelized mode, each channel
Advance Information
Description
CX28560 Data Sheet
28560-DSH-001-B