URL
https://opencores.org/ocsvn/rs232_with_buffer_and_wb/rs232_with_buffer_and_wb/trunk
Subversion Repositories rs232_with_buffer_and_wb
Compare Revisions
- This comparison shows the changes necessary to convert path
/rs232_with_buffer_and_wb
- from Rev 44 to Rev 45
- ↔ Reverse comparison
Rev 44 → Rev 45
/trunk/doc/RS232_text.txt
15,16 → 15,6
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 |
RX Buffer empty |
RX Buffer full |
37,20 → 27,16
TX FIFO Buffer 0-64 Word buffer |
|
After Reset |
50MHz 2400bps, 100MHz 4800bps |
50MHz 2400bps, 100MHz 4800bps, 200MHz 9600bps |
1 start bit, 8 data bit, 1 stop bit |
|
Componenter |
Main() |
RS232 |
uart_rx |
uart_tx |
BUFFER |
rx_fifo |
tx_fifo |
WishBone |
uart_setup |
wb_interface |
uart_top : top entity |
uart_rx : rs232 complient reciever |
uart_tx : rs232 complient tranmitter |
uart_rx_fifo : buffer for revieved data |
uart_tx_fifo : buffer for data to be transmitted |
uart_wb : WISHBONE interface |
|
Addresses |
00000000 = rx_fifo(r)(rx_fifo_rst.u) / write tx_fifo(w)(tx_fifo_rst.u) |