參數(shù)資料
型號: C3ENPA1-DS
英文描述: 5.0 or 3.3V, 256Kbit (32Kbit x 8) ZEROPOWER® SRAM
中文描述: ? - 3E的網(wǎng)絡處理器的數(shù)據(jù)資料硅修訂格A1
文件頁數(shù): 69/114頁
文件大?。?/td> 1893K
代理商: C3ENPA1-DS
JTAG Support
69
MOTOROLA GENERAL BUSINESS INFORMATION
C3ENPA1-DS/D REV 03
IDcode Register
The C-3e NP implements a standard 32bit JTAG identification register.
Table30
lists the
value of the code for full identification and its sub-components.
The concatenated 32bit value is hexidecimal 0002132d.
JTAG Instruction Register
The C-3e NP contains a 4bit instruction register.
Table 31
lists the instructions that are
supported.
Table 30
JTAG Identification Code and Its Sub-components
FIELD NAME
WIDTH
BIT POSITIONS
BINARY VALUE
Version
4
31-28
0000
Part Number
16
27-12
0000_0000_0010_0001
Manufacturer Identity
11
11-1
001_1001_0110
LSB
1
0
1
Table 31
Instruction Register Instructions
INSTRUCTION MNEMONIC SELECTED REGISTER
INSTRUCTION OPCODE
Extest
Boundary Scan
0000
Idcode
Identification Register
0001
Sample/Preload
Boundary Scan
0010
Highz
Bypass Register
0011
Clamp
Bypass Register
0100
Bypass
Bypass Register
0101
Reserved*
Bypass Register
0110
Reserved*
Bypass Register
0111
Bypass
Bypass Register
1000
Bypass
Bypass Register
1001
Bypass
Bypass Register
1010
Bypass
Bypass Register
1011
Bypass
Bypass Register
1100
Bypass
Bypass Register
1101
F
n
.
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