Entity: pwm_comm
Diagram
Generics
| Generic name |
Type |
Value |
Description |
| id |
natural |
1 |
|
| COUNTER_SIZE |
natural |
32 |
|
| AXI_DATA_WIDTH |
integer |
32 |
|
Ports
| Port name |
Direction |
Type |
Description |
| reset |
in |
std_logic |
Syscon signals |
| clk |
in |
std_logic |
|
| addr_i |
in |
std_logic_vector(2 downto 0) |
axi signals |
| write_en_i |
in |
std_logic |
|
| writedata |
in |
std_logic_vector(AXI_DATA_WIDTH-1 downto 0) |
|
| read_en_i |
in |
std_logic |
|
| read_ack_o |
out |
std_logic |
|
| readdata |
out |
std_logic_vector(AXI_DATA_WIDTH-1 downto 0) |
|
| enable_o |
out |
std_logic |
out signals |
| invert_o |
out |
std_logic |
|
| prescaler_o |
out |
std_logic_vector(COUNTER_SIZE-1 downto 0) |
|
| duty_o |
out |
std_logic_vector(COUNTER_SIZE-1 downto 0) |
|
| period_o |
out |
std_logic_vector(COUNTER_SIZE-1 downto 0) |
|
Signals
| Name |
Type |
Description |
| enable_s |
std_logic |
|
| invert_s |
std_logic |
|
| duty_s |
std_logic_vector(COUNTER_SIZE-1 downto 0) |
|
| period_s |
std_logic_vector(COUNTER_SIZE-1 downto 0) |
|
| prescaler_s |
std_logic_vector(COUNTER_SIZE-1 downto 0) |
|
| readdata_s |
std_logic_vector(AXI_DATA_WIDTH-1 downto 0) |
|
| writedata_s |
std_logic_vector(COUNTER_SIZE-1 downto 0) |
|
Constants
| Name |
Type |
Value |
Description |
| REG_ID |
std_logic_vector(2 downto 0) |
"000" |
|
| REG_CTRL |
std_logic_vector(2 downto 0) |
"001" |
|
| REG_DUTY |
std_logic_vector(2 downto 0) |
"010" |
|
| REG_PERIOD |
std_logic_vector(2 downto 0) |
"011" |
|
| REG_PRESCALER |
std_logic_vector(2 downto 0) |
"100" |
|
Processes
Description
manage register
- read_bloc: ( clk, reset )