digital_models4.deck

xspice所支持的更为详细和全面的仿真电路示例程序

Code Model Test: State Machine, RAM
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*** analysis type ***
.tran .01s 8s
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*** input sources ***
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vdata1 100 0 DC PWL( (0 0.0) (2 0.0) (2.0000000001 1.0) (3 1.0) 
+                    (3.5000000001 0.0) (4 0.0) ) 
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vdata2 200 0 DC PWL( (0 0.0) (1.0 0.0) (1.0000000001 1.0) (2 1.0) 
+                (2.0000000001 0.0) (3 0.0) (3.0000000001 1.0) (4 1.0) )
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vclk 300 0 DC PWL( (0 0.0) (0.5 0.0) (0.50000000001 1.0) 
+                          (1.0 1.0) (1.00000000001 0.0)
+                          (1.5 0.0) (1.50000000001 1.0)
+                          (2.0 1.0) (2.00000000001 0.0)
+                          (2.5 0.0) (2.50000000001 1.0)
+                          (3.0 1.0) (3.00000000001 0.0)
+                          (3.5 0.0) (3.50000000001 1.0) 
+                          (4.0 1.0) (4.00000000001 0.0)
+                          (4.5 0.0) (4.50000000001 1.0)
+                          (5.0 1.0) (5.00000000001 0.0)
+                          (5.5 0.0) (5.50000000001 1.0)
+                          (6.0 1.0) (6.00000000001 0.0)
+                          (6.5 0.0) (6.50000000001 1.0)
+                          (7.0 1.0) (7.00000000001 0.0)
+                          (7.5 0.0) (7.50000000001 1.0) (4.0 1.0)  )
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vaddr1 400 0 DC 0
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vaddr2 500 0 DC PWL( (0 0.0) (0.6 0.0) (0.60000000001 1.0) 
+                          (0.9 1.0) (0.90000000001 0.0)
+                          (2.6 0.0) (2.60000000001 1.0)
+                          (2.9 1.0) (2.90000000001 0.0) (3.0 0.0) )
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vselect 600 0 DC PWL( (0 0.0) (1.0 0.0) (2.0000000001 1.0) (2 1.0) ) 
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*** adc_bridge block ***
aconverter [100 200 300 400 500 600] [1 2 3 4 5 6] adc_bridge1
.model adc_bridge1 adc_bridge (in_low=0.1 in_high=0.9 
+                              rise_delay=1.0e-12 fall_delay=1.0e-12)
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*** state machine block ***
a1 [1 2] 3 4 [10 11] d_state1
.model d_state1 d_state (clk_delay=1.0e-6 reset_delay=2.0e-6 
+                        state_file=state.txt reset_state=0
+                        input_load=1.0e-12 clk_load=1.0e-12
+                        reset_load=1.0e-12)
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*** RAM block ***
a2 [1 2] [20 21] [3 4] 5 [6] d_ram1
.model d_ram1 d_ram (select_value=1 ic=0
+                    read_delay=1.0e-6 data_load=1.0e-12
+                    address_load=1.0e-12 select_load=1.0e-12
+                    enable_load=1.0e-12)
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*** resistors to ground ***
r1 100 0 10k
r2 200 0 10k
r3 300 0 10k
r4 400 0 10k
r5 500 0 10k
r6 600 0 10k
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.end