參數(shù)資料
型號(hào): MESC-PM1
廠商: Lineage Power
英文描述: Enhanced Services Controller, Performance Monitor - 127 Connections(可執(zhí)行檢測(cè)127個(gè)連接的增強(qiáng)型服務(wù)控制器)
中文描述: 增強(qiáng)服務(wù)控制器,性能監(jiān)視器- 127連接(可執(zhí)行檢測(cè)127個(gè)連接的增強(qiáng)型服務(wù)控制器)
文件頁(yè)數(shù): 14/15頁(yè)
文件大小: 503K
代理商: MESC-PM1
April 2000
MESC_PM1
MACRO
Data Sheet
Logic Design Solutions
14/14
1.8
Read cycle
The following chronogram describes the read cycle :
All the Cpu signals are re-synchronised with the Ck50 (APC esclk signal clock) clock signal.
The Rwn, Data and Address signals are only valid when the Csn signal is active low. The Csn, Rwn, Data and Address
signals should stay stable until the Rdyn signal goes low.
When the Rdyn signal goes low, it means the data can be sampled by the CPU.
The Rdyn signal stays low and the data stay valid until the Csn signal goes high again.
The Rdyn signal is in thee-state by default.
1.9
FPGA Timing
The ORCA 3T80-7-S208 respect the following timing :
-
-
-
-
FPGA Clock_to_Out = 8 ns (refer to external clock).
FPGA Input setup time = 8 ns (refer to external clock).
FPGA Hold time = 1 ns (refer to external clock).
External Frequency = 50MHz (20ns period).
Reset
Ck50
Csn
Rwn
Address
Data
Rdyn
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