URL https://opencores.org/ocsvn/rs232_with_buffer_and_wb/rs232_with_buffer_and_wb/trunk

Subversion Repositories rs232_with_buffer_and_wb

[/] [rs232_with_buffer_and_wb/] [trunk/] [doc/] [RS232_text.txt] - Diff between revs 40 and 45

Rev 40	Rev 45
Line 13...	Line 13...
`76800 \|`	`76800 \|`
`115200 \| 8.68 mSec \| 434 \| 868 \| 1736 \|`	`115200 \| 8.68 mSec \| 434 \| 868 \| 1736 \|`
`230400 \| 4.34 mSec \| 217 \| 434 \| 868 \|`	`230400 \| 4.34 mSec \| 217 \| 434 \| 868 \|`




`Signal \| bit`
`------------\|----------`
`start \| 1`
`data \| 5,6,7,8`
`Partition \| 1`
`stop \| 1, 1.5, 2`


`Signals/Interrupts`	`Signals/Interrupts`
`RX Buffer empty`	`RX Buffer empty`
`RX Buffer full`	`RX Buffer full`
`TX Buffer empty`	`TX Buffer empty`
`TX Buffer full`	`TX Buffer full`
Line 35...	Line 25...
`Buffers`	`Buffers`
`RX FIFO Buffer 0-64 Word buffer`	`RX FIFO Buffer 0-64 Word buffer`
`TX FIFO Buffer 0-64 Word buffer`	`TX FIFO Buffer 0-64 Word buffer`

`After Reset`	`After Reset`
`50MHz 2400bps, 100MHz 4800bps`	`50MHz 2400bps, 100MHz 4800bps, 200MHz 9600bps`
`1 start bit, 8 data bit, 1 stop bit`	`1 start bit, 8 data bit, 1 stop bit`

`Componenter`	`Componenter`
`Main()`	`uart_top : top entity`
`RS232`	`uart_rx : rs232 complient reciever`
`uart_rx`	`uart_tx : rs232 complient tranmitter`
`uart_tx`	`uart_rx_fifo : buffer for revieved data`
`BUFFER`	`uart_tx_fifo : buffer for data to be transmitted`
`rx_fifo`	`uart_wb : WISHBONE interface`
`tx_fifo`
`WishBone`
`uart_setup`
`wb_interface`

`Addresses`	`Addresses`
`00000000 = rx_fifo(r)(rx_fifo_rst.u) / write tx_fifo(w)(tx_fifo_rst.u)`	`00000000 = rx_fifo(r)(rx_fifo_rst.u) / write tx_fifo(w)(tx_fifo_rst.u)`
`00000001 = \|xxxxxxx\|rx enable(r/w)(setup_rst.0)\|`	`00000001 = \|xxxxxxx\|rx enable(r/w)(setup_rst.0)\|`