cx28560 Mindspeed Technologies, cx28560 Datasheet - Page 132

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

The CX28560 Memory Organization
5.8.4
Table 5-43. TBUFFC Flexiframe Memory
5-42
31:11
10:0
Bit
RSVD
TCHANNEL
Field Name
TBUFFC Flexiframe Memory
Value
The TBUFFC Flexiframe Memory provides the TBUFFC with the order in which to
service the channels – a timing scheduler. Once a channel is chosen by the Flexiframe
algorithm, if necessary a transmission report is sent to the host over the Flow
Conductor POS-PHY interface. The TBUFFC runs through the Flexiframe Memory
line by line, servicing the channel number as in the Flexiframe memory. The
Flexiframe holds a maximum of 21504 entries and a minimum of 12. The number of
entries contained in the Flexiframe is stored in the Flexiframe Control Register, and
should be an exact multiple of 4. The value 0 in the channel number represents an
empty cycle and will be treated as a NOP by the TBUFFC.
Because of the Flexiframe memory organization in lines of four registers each, access
to registers must be in multiples of four registers.
—
0
Reserved.
Logical Channel Number assigned to slot in Flexiframe.
Mindspeed Technologies™
Advance Information
Description
CX28560 Data Sheet
28560-DSH-001-B