Referring to the Comportable guideline for peripheral device functionality, the module i3c has the following hardware interfaces defined
- Primary Clock:
clk_i
- Other Clocks:
clk_aon_i, scan_clk_i
- Bus Device Interfaces (TL-UL):
tl
- Bus Host Interfaces (TL-UL): none
| Pin name | Direction | Description |
|---|
| rstdet_scl | input | I3C SCL bus clock input to the Target Reset Detector |
| rstdet_sda | input | I3C SDA data line input to the Target Reset Detector |
| ctrl_sda_pu | output | I3C Controller data Pullup enable output |
| scl | inout | I3C SCL bus clock |
| sda | inout | I3C SDA data line |
| Port Name | Package::Struct | Type | Act | Width | Description |
|---|
| rstdet_enable | logic | uni | req | 1 | Enables the SCL/SDA inputs of the Target Reset Detector in the secondary partition; deasserted while the Target is disconnected from the bus. |
| rstdet_enable | logic | uni | rcv | 1 | Enables the SCL/SDA inputs of the Target Reset Detector; deasserted while the Target is disconnected from the bus. |
| rstdet | i3c_pkg::i3c_rstdet | req_rsp | req | 1 | Control and status interface to the Target Reset Detector in the secondary partition. |
| rstdet | i3c_pkg::i3c_rstdet | req_rsp | rsp | 1 | Control and status interface of the Target Reset Detector to the primary partition. |
| rstdet_wkup_req | logic | uni | req | 1 | Wake-up request on detection of the Target Reset Pattern. |
| rstdet_target_rst | logic | uni | req | 1 | Reset request for the I3C peripheral on detection of the Target Reset Pattern. |
| mbist_en | logic | uni | rcv | 1 | Memory built-in self-test enable (unused). |
| scl_hk_en | logic | uni | req | 1 | I3C Controller clock High-keeper enable output |
| sda_hk_en | logic | uni | req | 1 | I3C Controller data High-keeper enable output |
| ctrl_scl_pu_en | logic | uni | req | 1 | I3C Controller clock Pullup enable output |
| ram_cfg | prim_ram_1p_pkg::ram_1p_cfg | req_rsp | rsp | 1 | RAM configuration of the message buffer memory. |
| dat_cfg | prim_ram_1p_pkg::ram_1p_cfg | req_rsp | rsp | 1 | RAM configuration of the Device Address Table (DAT) memory. |
| dct_cfg | prim_ram_1p_pkg::ram_1p_cfg | req_rsp | rsp | 1 | RAM configuration of the Device Characteristics Table (DCT) memory. |
| racl_policies | top_racl_pkg::racl_policy_vec | uni | rcv | 1 | Incoming RACL policy vector from a racl_ctrl instance. The policy selection vector (parameter) selects the policy for each register. |
| racl_error | top_racl_pkg::racl_error_log | uni | req | 1 | RACL error log information of this module. |
| tl | tlul_pkg::tl | req_rsp | rsp | 1 | |
| Interrupt Name | Type | Description |
|---|
| hci | Status | HCI interrupt. |
| targ | Status | Target interrupt. |
| Alert Name | Description |
|---|
| fatal_fault | This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. |
| Countermeasure ID | Description |
|---|
| I3C.BUS.INTEGRITY | End-to-end bus integrity scheme. |