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labs:uart_rx [2019/04/08 18:11] kenmcg Pass Off changes |
labs:uart_rx [2019/04/09 11:47] (current) djlee |
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| * Connect the tx_out output of your tx module to the top_level tx_debug output | * Connect the tx_out output of your tx module to the top_level tx_debug output | ||
| * Connect an unused signal to the 'Sent' signal of your tx module ('Sent' will not be used in this circuit) | * Connect an unused signal to the 'Sent' signal of your tx module ('Sent' will not be used in this circuit) | ||
| - | * Connect the 8 switches to the 'din' input of your tx module | + | * Connect the 8 switches to the 'Din' input of your tx module |
| * Connect the top-level clock to the clk input of your tx module | * Connect the top-level clock to the clk input of your tx module | ||
| - | * Drive the tx "send" signal with the same circuit you used in the top-level of your previous lab (attach to btnc, use a synchronizer and debouncer). | + | * Drive the tx "Send" signal with the same circuit you used in the top-level of your previous lab (attach to btnc, use a synchronizer and debouncer). |
| - | * Drive the tx "reset" signal the same way (attach to btnd, use a synchronizer and debouncer). | + | * Drive the tx "Reset" signal the same way (attach to btnd, use a synchronizer and debouncer). |
| After instancing your tx circuit, instance your rx circuit and connect it to your rx module. | After instancing your tx circuit, instance your rx circuit and connect it to your rx module. | ||
| Line 104: | Line 104: | ||
| * Attach the 8 switches to the lower 8-bits of the data in of the seven-segment controller (bottom two digits) | * Attach the 8 switches to the lower 8-bits of the data in of the seven-segment controller (bottom two digits) | ||
| - | * Attach the 8-bit signal "rx_data" to bits 23-16 of the data going to the seven segment controller (digits 5 and 4) | + | * Attach the 8-bit signal "rx_in" to bits 23-16 of the data going to the seven segment controller (digits 5 and 4) |
| * Only display the bottom two digits and digits 5 and 4 of the seven segment display | * Only display the bottom two digits and digits 5 and 4 of the seven segment display | ||
| * Do not use any of the digit points | * Do not use any of the digit points | ||
| * Attach the anode and segment signals of the controller to the top-level outputs of the top-level module | * Attach the anode and segment signals of the controller to the top-level outputs of the top-level module | ||
| + | |||
| + | The following diagram illustrates the interconnections of different modules. | ||
| + | |||
| + | {{ :labs:UART_tx_rx.png |}} | ||
| <color red>Include a copy of your top-level module in your laboratory report</color> | <color red>Include a copy of your top-level module in your laboratory report</color> | ||
| **Exercise 3 Pass-off:** Show a TA your top level module and explain how we will know when the rx module has received a byte.\\ \\ | **Exercise 3 Pass-off:** Show a TA your top level module and explain how we will know when the rx module has received a byte.\\ \\ | ||
| + | |||
| ==== Exercise #4 - Implementation ==== | ==== Exercise #4 - Implementation ==== | ||
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| characters). | characters). | ||
| */ | */ | ||
| - | |||
