The VHDL Cookbook phần 3 pps

... Furthermore, these items shadow any things with the same names declared outside the subprogram. When the subprogram is called, the statements in the body are executed until either the end of the ... the subprogram statement body, and may not be assigned to. The actual parameter associated with incr when the procedure is called must be an expression. Given the mode of t...

Ngày tải lên: 08/08/2014, 03:20

... transactions on the signal reset, then suspends for the rest of the simulation. On the other hand, if there are references to signals in the waveform value expressions or conditions, then the wait statement ... output waveform: 4-4 The VHDL Cookbook on any of these signals (that is, the value of the signal changes), the process resumes and evaluates the condition. If...

Ngày tải lên: 08/08/2014, 03:20

... memory. 7-24 The VHDL Cookbook Control Addr Op1 Bus R Bus Op2 Bus A Bus D Bus Bus Command Bus Reply CC op r3 r1 r2 CC comp A2 A1 A3 Register File Q1 Q2 D3 A1 A2 A3 A1 A2 A3 Res PC Disp Figure7-16. DP32 ... is used to provide the address, the fetch flag is true, and the result is returned into the current instruction register. The PC register is then incremented by one using t...

Ngày tải lên: 08/08/2014, 03:20

... '1', the value of the d input is stored in the variable master_PC, but the output (if enabled) is driven from the previously stored value in slave_PC. Then when latch_en changes from 7 -34 The VHDL ... connected to the ALU inputs, and the ALU output drives the result bus. The result can be latched for writing back to the register file using port3. The pro...

Ngày tải lên: 08/08/2014, 03:20

... corresponds to the memory bus T2 cycle, during which data is returned to the processor from the memory. The controller disables the PC from the op1 bus and the ALU from the result bus, and enables the data input ... disable read dr_en instr_latch_en Figure7-27. Timing for DP32 instruction fetch. the incremented PC value on the result bus. This is then latched back into...

Ngày tải lên: 08/08/2014, 03:20

... (Exception $e) { 31 $messages[] = 'Could not insert the platform.'; 32 } 33 34 } 35 36 // Report results to user 37 if (count($messages) == 0) { 38 39 echo "<p> ;The platform ... object to the view 33 $this->view->exception = $errors->exception; 34 35 // Pass the request to the view 36 $this->view->request = $errors->request; 37 }...

Ngày tải lên: 05/07/2014, 17:20

... XX March 31 , 2002 XX April 30 , 2002 XX May 31 , 2002 XX June 30 , 2002 XX July 31 , 2002 XX August 31 , 2002 XX September 30 , 2002 XX October 31 , 2002 XX November 30 , 2002 XX December 31 , 2002 XX TOTAL 2002 ... veteran customers you are moving over to the FPA; either way, it lowers the risk even further for the customer]. Furthermore, it is understood that either party m...

Ngày tải lên: 06/08/2014, 10:20