cx28500 Mindspeed Technologies, cx28500 Datasheet - Page 93

• Manufacturer Part Number: cx28500
• Description: Cx28500 Multichannel Synchronous Communications Controller
• Manufacturer: Mindspeed Technologies

6.2.1.2.3
Table 6-10
Table 6-10.
Table 6-11
Table 6-11.
28500-DSH-002-C
dword 0
FOOTNOTE:
(1)
GENERAL NOTE:
Dword Number
Number
Dword
All reserved bits must be written to zeros for forward compatibility.
dword 0
dword 1
dword 2
dword 3
presents the structure of CCD.
describes the CCD fields.
OPCODE
SACKIEN
Reserved
Direction
Channel
Descriptor Field
In general, reserved fields should be written to with zeros.
Channel Configuration Service Request Descriptor
Fields Description of CCD
Channel Configuration Descriptor (CCD)
OPCODE[31:27]
Bit 31
(bits)
Size
—
10
1
5
1
Mindspeed Proprietary and Confidential
Mindspeed Technologies
Value
SACKIEN[26]
—
0
3
4
5
0
1
0
1
0
NOP
CH_ACTIV
CH_DEACT
CH_JUMP
SACK interrupt disabled.
SACK interrupt enabled.
A read from this field returns all zeros. A write to this field does nothing.
The command is for the Receive channel.
The command is for the Transmit channel.
Channel number. This field is interpreted as a channel number for the CH_ACT,
CH_DEACT and CH_JUMP command. The field is interpreted as reserved for the NOP
command.
Reserved[25:11]
Reserved
Reserved
Reserved
®
(1)
(1)
(1)
(1)
Description
Direction[10]
Memory Organization
Channel[9:0]
Bit 0
78