Entity: pinmux_strap_sampling

• File: pinmux_strap_sampling.sv

Diagram

Description

Generics

Generic name	Type	Value	Description
TargetCfg	target_cfg_t	DefaultTargetCfg	Taget-specific pinmux configuration passed down from the target-specific top-level.

Ports

Port name	Direction	Type	Description
clk_i	input
rst_ni	input
scanmode_i	input
attr_padring_o	output	[NumIOs-1:0]	To padring side
out_padring_o	output	[NumIOs-1:0]
oe_padring_o	output	[NumIOs-1:0]
in_padring_i	input	[NumIOs-1:0]
attr_core_i	input	[NumIOs-1:0]	To core side
out_core_i	input	[NumIOs-1:0]
oe_core_i	input	[NumIOs-1:0]
in_core_o	output	[NumIOs-1:0]
strap_en_i	input		Used for TAP qualification
lc_dft_en_i	input
lc_hw_debug_en_i	input
dft_strap_test_o	output	dft_strap_test_req_t	Sampled values for DFT straps
dft_hold_tap_sel_i	input		Hold tap strap select
lc_jtag_o	output		Qualified JTAG signals for TAPs
lc_jtag_i	input
rv_jtag_o	output
rv_jtag_i	input
dft_jtag_o	output
dft_jtag_i	input

Signals

Name	Type	Description
lc_hw_debug_en	lc_ctrl_pkg::lc_tx_t [1:0]	/////////////////////////////////// Life cycle signal synchronizers // ///////////////////////////////////
lc_dft_en	lc_ctrl_pkg::lc_tx_t [1:0]
scanmode	lc_ctrl_pkg::lc_tx_t [0:0]
dft_strap_valid_d	logic	//////////////////////// Strap Sampling Logic // ////////////////////////
dft_strap_valid_q	logic	//////////////////////// Strap Sampling Logic // ////////////////////////
lc_strap_sample_en	logic
rv_strap_sample_en	logic
dft_strap_sample_en	logic
tap_strap_d	logic [NTapStraps-1:0]
tap_strap_q	logic [NTapStraps-1:0]
dft_strap_d	logic [NDFTStraps-1:0]
dft_strap_q	logic [NDFTStraps-1:0]
tap_sampling_en	logic	During dft enabled states, we continously sample all straps unless told not to do so by external dft logic
dft_hold_tap_sel	logic
jtag_en	logic	///////////////////// TAP Selection Mux // /////////////////////
tap_strap	tap_strap_t
jtag_req	jtag_pkg::jtag_req_t
lc_jtag_req	jtag_pkg::jtag_req_t
rv_jtag_req	jtag_pkg::jtag_req_t
dft_jtag_req	jtag_pkg::jtag_req_t
jtag_rsp	jtag_pkg::jtag_rsp_t
lc_jtag_rsp	jtag_pkg::jtag_rsp_t
rv_jtag_rsp	jtag_pkg::jtag_rsp_t
dft_jtag_rsp	jtag_pkg::jtag_rsp_t

Processes

• p_strap_sampling: ( )

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

• p_tap_mux: ( )

Instantiations

• u_por_scanmode_sync: prim_lc_sync

• u_prim_lc_sync_rv: prim_lc_sync

• u_prim_lc_sync_dft: prim_lc_sync

• u_buf_hold_tap: prim_buf

• u_pinmux_jtag_buf_lc: pinmux_jtag_buf

• u_pinmux_jtag_buf_rv: pinmux_jtag_buf

• u_pinmux_jtag_buf_dft: pinmux_jtag_buf

• u_rst_por_aon_n_mux: prim_clock_mux2