参数资料
型号: M7020R
厂商: 意法半导体
英文描述: 32K x 68-bit Entry NETWORK SEARCH ENGINE
中文描述: 32K的× 68位进入网络搜索引擎
文件页数: 25/150页
文件大小: 996K
代理商: M7020R
25/150
M7020R
The Information Register
Table 11. Information Register Field Descriptions
Note: 1. This field may change in future versions.
CFG
[16:9]
0000
0000
Database Configuration.
The device is internally divided into four
quadrants of 8K x 68, each of which can be configured as 8K x 68, 4K
x 136, or 2K x 272 as follows:
00: 8K x 68
01: 4K x 136
10: 2K x 272
11: Reserved
Bits [10:9] apply to configuring the 1st quadrant in the address space.
Bits [12:11] apply to configuring the 2nd quadrant in the address
space.
Bits [14:13] apply to configuring the 3rd quadrant in the address
space.
Bits [16:15] apply to configuring the 4th quadrant in the address
space.
[67:17]
0
Reserved.
Field
Range
Initial Value
Description
Field
Range
Initial Value
Description
Revision
[3:0]
0001
(1)
Revision Number.
This is the current device revision
number. Numbers start from one and increment by one
for each revision of the device.
Implementation
[6:4]
001
This is the M7020R implementation number.
Reserved
[7]
0
Reserved.
Device ID
[11:8]
0001 or 0010
This is the Device Identification Number.
Device ID
[12]
Reserved
Device ID
[15:13]
00000100
This is the Device Identification Number.
MFID
[31:16]
1101_1100_0111_1111
Manufacturer ID.
This field is the same as the
manufacturer ID and continuation bits in the TAP
controller.
[67:32]
Reserved.
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