參數(shù)資料
型號: Alpha 21164
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Alpha Microprocessor(64位微處理器)
中文描述: 阿爾法微處理器(64位微處理器)
文件頁數(shù): 91/115頁
文件大小: 846K
代理商: ALPHA 21164
Electrical Data
91
AC Characteristics
Figure 17 shows sys_clk system timing.
Figure 17 sys_clk System Timing
11.4.2.3 Reference Clock-Based Systems
Systems that generate their own system clock expect the 21164 to synchronize its
sys_clk_out1_h,l
outputs to their system clock. The 21164 uses a digital phase-
locked loop (DPLL) to synchronize its
sys_clk_out1
signals to the system clock that
is applied to the
ref_clk_in_h
signal.
CPU Clock
sys_clk_out1
Relationship of CPU Clock and sys_clk_out1
LJ-03410.AI4
CPU Clock
Address/Command Out
dack
Memory Read (Pipe_Latch Mode)
Tsysd
sys_clk_out1
Data In
CPU Clock
Address/Command Out
dack
Memory Read (Non-Pipe_Latch Mode)
sys_clk_out1
Data In
Taod
Tdsu
Taoh
Tsysd
Tsysd
Tsysd
Taod
Tntacksu
Tdsu
Taoh
Tsysd
Tsysd
Tsysd
Tntackh
Ttacksu
cack
Tntcacksu
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