Entity: SaciSlaveOld
- File: SaciSlaveOld.vhd
Diagram
Description
Title : SACI Protocol: https://confluence.slac.stanford.edu/x/YYcRDQ
Company : SLAC National Accelerator Laboratory
Description: Slave module for SACI interface. Legacy (bloated) version.
This file is part of 'SLAC Firmware Standard Library'. It is subject to the license terms in the LICENSE.txt file found in the top-level directory of this distribution and at: https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. No part of 'SLAC Firmware Standard Library', including this file, may be copied, modified, propagated, or distributed except according to
the terms contained in the LICENSE.txt file.
Generics
| Generic name | Type | Value | Description |
|---|---|---|---|
| TPD_G | time | 1 ns |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| rstL | in | sl | ASIC global reset |
| saciClk | in | sl | Serial Interface |
| saciSelL | in | sl | chipSelect |
| saciCmd | in | sl | |
| saciRsp | out | sl | |
| rstOutL | out | sl | Silly reset hack to get saciSelL |
| rstInL | in | sl | |
| exec | out | sl | Detector (Parallel) Interface |
| ack | in | sl | |
| readL | out | sl | |
| cmd | out | slv(6 downto 0) | |
| addr | out | slv(11 downto 0) | |
| wrData | out | slv(31 downto 0) | |
| rdData | in | slv(31 downto 0) |
Signals
| Name | Type | Description |
|---|---|---|
| r | RegType | |
| rin | RegType | |
| saciCmdFall | sl |
Types
| Name | Type | Description |
|---|---|---|
| StateType | (IDLE_S, SHIFT_HEADER_IN_S, SHIFT_DATA_IN_S, EXEC_S, SHIFT_HEADER_OUT_S, SHIFT_DATA_OUT_S) |
|
| RegType |
Functions
- shiftInLeft ( i : in sl;
r : in slv;
v : out slv) return ()
Processes
- fall: ( saciClk, rstInL )
Description
Clock in serial input on falling edge
- seq: ( saciClk, rstInL )
- comb: ( r, saciCmdFall, ack, rdData, saciSelL )