Referring to the Comportable guideline for peripheral device functionality, the module pwrmgr has the following hardware interfaces defined
- Primary Clock:
clk_i
- Other Clocks:
clk_slow_i, clk_lc_i, clk_esc_i
- Bus Device Interfaces (TL-UL):
tl
- Bus Host Interfaces (TL-UL): none
- Peripheral Pins for Chip IO: none
| Port Name | Package::Struct | Type | Act | Width | Description |
|---|
| pwr_ast | pwrmgr_pkg::pwr_ast | req_rsp | req | 1 | |
| pwr_rst | pwrmgr_pkg::pwr_rst | req_rsp | req | 1 | |
| pwr_clk | pwrmgr_pkg::pwr_clk | req_rsp | req | 1 | |
| pwr_otp | pwrmgr_pkg::pwr_otp | req_rsp | req | 1 | |
| pwr_lc | pwrmgr_pkg::pwr_lc | req_rsp | req | 1 | |
| pwr_flash | pwrmgr_pkg::pwr_flash | uni | rcv | 1 | |
| esc_rst_tx | prim_esc_pkg::esc_tx | uni | rcv | 1 | |
| esc_rst_rx | prim_esc_pkg::esc_rx | uni | req | 1 | |
| pwr_cpu | rv_core_ibex_pkg::cpu_pwrmgr | uni | rcv | 1 | |
| wakeups | logic | uni | rcv | 6 | |
| rstreqs | logic | uni | rcv | 2 | |
| ndmreset_req | logic | uni | rcv | 1 | |
| strap | logic | uni | req | 1 | |
| low_power | logic | uni | req | 1 | |
| rom_ctrl | rom_ctrl_pkg::pwrmgr_data | uni | rcv | 1 | |
| fetch_en | lc_ctrl_pkg::lc_tx | uni | req | 1 | |
| lc_dft_en | lc_ctrl_pkg::lc_tx | uni | rcv | 1 | |
| lc_hw_debug_en | lc_ctrl_pkg::lc_tx | uni | rcv | 1 | |
| sw_rst_req | prim_mubi_pkg::mubi4 | uni | rcv | 1 | |
| tl | tlul_pkg::tl | req_rsp | rsp | 1 | |
| Interrupt Name | Type | Description |
|---|
| wakeup | Event | Wake from low power state. See wake info for more details |
| Alert Name | Description |
|---|
| fatal_fault | This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. |
| Countermeasure ID | Description |
|---|
| PWRMGR.BUS.INTEGRITY | End-to-end bus integrity scheme. |
| PWRMGR.LC_CTRL.INTERSIG.MUBI | life cycle control / debug signals are multibit. |
| PWRMGR.ROM_CTRL.INTERSIG.MUBI | rom control done/good signals are multibit. |
| PWRMGR.RSTMGR.INTERSIG.MUBI | reset manager software request is multibit. |
| PWRMGR.ESC_RX.CLK.BKGN_CHK | Escalation receiver has a background timeout check |
| PWRMGR.ESC_RX.CLK.LOCAL_ESC | Escalation receiver clock timeout has a local reset escalation |
| PWRMGR.FSM.SPARSE | Sparse encoding for slow and fast state machines. |
| PWRMGR.FSM.TERMINAL | When FSMs reach a bad state, go into a terminate state that does not recover without user or external host intervention. |
| PWRMGR.CTRL_FLOW.GLOBAL_ESC | When global escalation is received, proceed directly to reset. |
| PWRMGR.MAIN_PD.RST.LOCAL_ESC | When main power domain reset glitches, proceed directly to reset. |
| PWRMGR.CTRL.CONFIG.REGWEN | Main control protected by regwen. |
| PWRMGR.WAKEUP.CONFIG.REGWEN | Wakeup configuration protected by regwen. |
| PWRMGR.RESET.CONFIG.REGWEN | Reset configuration protected by regwen. |