參數(shù)資料
型號: AMD-640
廠商: Advanced Micro Devices, Inc.
英文描述: 64-Bit Socket 7 Interface, Integrated Write back Cache Controller, System Memory Controller, and PCI Bus Controller.(64位系統(tǒng)控制器(包括高速緩沖存儲器控制器,系統(tǒng)存儲器控制器和PCI總線控制器))
中文描述: 64位Socket 7的接口,集成寫回高速緩沖存儲器控制器,系統(tǒng)內(nèi)存控制器和PCI總線控制器。(64位系統(tǒng)控制器(包括高速緩沖存儲器控制器,系統(tǒng)存儲器控制器和的PCI總線控制器))
文件頁數(shù): 107/159頁
文件大?。?/td> 1900K
代理商: AMD-640
7-10
Configuration Registers
AMD-640 System Controller Data Sheet
21090C/0—June 1997
Preliminary Information
Bits 7–3
Latency Timer Value (RW)
—This five-bit binary value specifies the Latency
Timer in units of 8 PCI bus clocks.
00000 = 32 x 8 PCI clocks
00001–11111 = (5-bit binary value) x 8 PCI clocks
Reserved (always reads 0)
Bits 2–0
Bits 7–0
PCI Header Type (RO)
—The AMD-640 system controller PCI Header Type is
00h.
Bits 7–0
Built-in Self Test Functions (RO)
—The AMD-640 system controller does not
support built-in self-test functions, so this read-only register is 00h.
7.3.10
Latency Timer
(Offset 0Dh)
Bit 7
6
5
4
3
2
1
Bit 0
Latency Timer Values
0
Reserved
0
Reset
0
0
0
0
0
0
7.3.11
Header Type
(Offset 0Eh)
Bit 7
6
5
4
3
2
1
Bit 0
Header Type
Reset
0
0
0
0
0
0
0
0
7.3.12
Built-In Self Test (BIST)
(Offset 0Fh)
Bit 7
6
5
4
3
2
1
Bit 0
Built-in Self Test Functions
0
Reset
0
0
0
0
0
0
0
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