Entity: otbn_scramble_ctrl

• File: otbn_scramble_ctrl.sv

Diagram

Description

Generics

Generic name	Type	Value	Description
otp_ctrl_pkg	otp_ctrl_pkg::otbn_key_t	otbn_pkg::RndCnstOtbnKeyDefault	Default seed and nonce for scrambling
otp_ctrl_pkg	otp_ctrl_pkg::otbn_nonce_t	otbn_pkg::RndCnstOtbnNonceDefault

Ports

Port name	Direction	Type	Description
clk_i	input		OTBN clock
rst_ni	input
clk_otp_i	input		OTP Clock (for key interface)
rst_otp_ni	input
otbn_otp_key_o	output		OTP key interface
otbn_otp_key_i	input
otbn_dmem_scramble_key_o	output
otbn_dmem_scramble_nonce_o	output	otbn_dmem_nonce_t
otbn_dmem_scramble_valid_o	output
otbn_dmem_scramble_key_seed_valid_o	output
otbn_imem_scramble_key_o	output
otbn_imem_scramble_nonce_o	output	otbn_imem_nonce_t
otbn_imem_scramble_valid_o	output
otbn_imem_scramble_key_seed_valid_o	output
otbn_dmem_scramble_new_req_i	input
otbn_imem_scramble_new_req_i	input

Signals

Name	Type	Description
state_q	scramble_ctrl_state_t
state_d	scramble_ctrl_state_t
dmem_key_valid_q	logic
dmem_key_valid_d	logic
imem_key_valid_q	logic
imem_key_valid_d	logic
dmem_key_seed_valid_q	logic
dmem_key_seed_valid_d	logic
imem_key_seed_valid_q	logic
imem_key_seed_valid_d	logic
dmem_scramble_req_pending_q	logic
dmem_scramble_req_pending_d	logic
imem_scramble_req_pending_q	logic
imem_scramble_req_pending_d	logic
dmem_key_nonce_en	logic
imem_key_nonce_en	logic
dmem_key_q	otp_ctrl_pkg::otbn_key_t
imem_key_q	otp_ctrl_pkg::otbn_key_t
dmem_nonce_q	otbn_dmem_nonce_t
imem_nonce_q	otbn_imem_nonce_t
otp_key_req	logic
otp_key_ack	logic
otp_key	otp_ctrl_pkg::otbn_key_t
otp_nonce	otp_ctrl_pkg::otbn_nonce_t
otp_key_seed_valid	logic
clk_i	prim_sync_reqack_data
rst_ni	prim_sync_reqack_data
clk_otp_i	prim_sync_reqack_data
rst_otp_ni	prim_sync_reqack_data
req_chk_i	prim_sync_reqack_data
otp_key_req	prim_sync_reqack_data
otp_key_ack	prim_sync_reqack_data
req	prim_sync_reqack_data
ack	prim_sync_reqack_data
key	prim_sync_reqack_data
otbn_otp_key_i	prim_sync_reqack_data
otbn_otp_key_i	prim_sync_reqack_data
otp_key	prim_sync_reqack_data
otp_nonce	prim_sync_reqack_data
otp_key_seed_valid	prim_sync_reqack_data

Types

Name	Type	Description
scramble_ctrl_state_t	enum logic [1:0] { ScrambleCtrlIdle, ScrambleCtrlDmemReq, ScrambleCtrlImemReq }

Processes

• unnamed: ( @(posedge clk_i or negedge rst_ni) )

• unnamed: ( @(posedge clk_i or negedge rst_ni) )

• unnamed: ( @(posedge clk_i or negedge rst_ni) )

• unnamed: ( )