參數(shù)資料
型號(hào): μPD30181
廠商: NEC Corp.
英文描述: 64-Bit RISC Microprosessor(64位RISC微處理器)
中文描述: 64位RISC Microprosessor(64位的RISC微處理器)
文件頁(yè)數(shù): 37/68頁(yè)
文件大小: 270K
代理商: ΜPD30181
37
μ
PD30700,30700L,30710
Table 4-1. Mode Setting in Boot Time Mode (2/2)
SysAD
Mode Setting
V
R
10000
V
R
12000
14
SCCorEn: ECC error correction of secondary cache data
0: Re-access
1: Always access
15
MemEnd: Endian
0: Little endian
1: Big endian
16 : 18
SCSize: Secondary cache size
0: 512K
1: 1M bytes
2: 2M bytes
3: 4M bytes
4: 8M bytes
5: 16M bytes
6 and 7: RFU
19 : 21
SCClkDiv: Multiple of PClk in respect to SCClk
0: RFU
1:
×
1
2:
×
1.5
3:
×
2
4:
×
2.5
5:
×
3
6 and 7: RFU
SCClkDiv: Multiple of PClk in respect to SCClk
0: RFU
1:
×
1
2:
×
1.5
3:
×
2
4:
×
2.5
5:
×
3
6: RFU
7:
×
4
22 : 24
RFU
DSD
Note 1
: DSD (Delay Speculative Dirty) mode
0 to 3: RFU
4: DSD
5 to 7: RFU
25 : 28
SCClkTap: Internal secondary cache: Phase comparison of clock and SysClk (5:0), SysClk (5:0)
0: Same phase
1: SCClk leads 1/12PClk cycle
2: SCClk leads 2/12PClk cycle
3: SCClk leads 3/12PClk cycle
4: SCClk leads 4/12PClk cycle
5: SCClk leads 5/12PClk cycle
6 and 7: Undefined
8: SCClk leads 6/12PClk cycle
9: SCClk leads 7/12PClk cycle
A: SCClk leads 8/12PClk cycle
B: SCClk leads 9/12PClk cycle
C: SCClk leads 10/12PClk cycle
D: SCClk leads 11/12PClk cycle
E and F: Undefined
29
RFU
30
ODrainSys: Processing of system interface signal
Note 2
31 : 63
RFU
Notes 1.
Refer to
4.6 DSD (Delay Speculative Dirty) mode
.
2.
SysReq, SysRel, SysCmd (11:0), SysCmdPar, SysAD (63: 0), SysADChk (7:0), SysVal, SysState (2:0),
SysStatePar, SysStateVal, SysCorErr, SysUncErr
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