Entity: i2c_core

• File: i2c_core.sv

Diagram

Description

Generics

Generic name	Type	Value	Description
FifoDepth	int	64

Ports

Port name	Direction	Type	Description
clk_i	input
rst_ni	input
reg2hw	input
hw2reg	output
scl_i	input
scl_o	output
sda_i	input
sda_o	output
intr_fmt_watermark_o	output
intr_rx_watermark_o	output
intr_fmt_overflow_o	output
intr_rx_overflow_o	output
intr_nak_o	output
intr_scl_interference_o	output
intr_sda_interference_o	output
intr_stretch_timeout_o	output
intr_sda_unstable_o	output
intr_trans_complete_o	output
intr_tx_empty_o	output
intr_tx_nonempty_o	output
intr_tx_overflow_o	output
intr_acq_overflow_o	output
intr_ack_stop_o	output
intr_host_timeout_o	output

Signals

Name	Type	Description
thigh	logic [15:0]
tlow	logic [15:0]
t_r	logic [15:0]
t_f	logic [15:0]
thd_sta	logic [15:0]
tsu_sta	logic [15:0]
tsu_sto	logic [15:0]
tsu_dat	logic [15:0]
thd_dat	logic [15:0]
t_buf	logic [15:0]
stretch_timeout	logic [30:0]
timeout_enable	logic
stretch_en_addr_tx	logic
stretch_en_addr_acq	logic
stretch_stop_tx	logic
stretch_stop_acq	logic
stretch_stop_tx_clr	logic
stretch_stop_acq_clr	logic
host_timeout	logic [31:0]
scl_sync	logic
sda_sync	logic
scl_out_fsm	logic
sda_out_fsm	logic
event_fmt_watermark	logic
event_rx_watermark	logic
event_fmt_overflow	logic
event_rx_overflow	logic
event_nak	logic
event_scl_interference	logic
event_sda_interference	logic
event_stretch_timeout	logic
event_sda_unstable	logic
event_trans_complete	logic
event_tx_empty	logic
event_tx_nonempty	logic
event_tx_overflow	logic
event_acq_overflow	logic
event_ack_stop	logic
event_host_timeout	logic
scl_rx_val	logic [15:0]
sda_rx_val	logic [15:0]
override	logic
fmt_fifo_wvalid	logic
fmt_fifo_wready	logic
fmt_fifo_wdata	logic [12:0]
fmt_fifo_depth	logic [6:0]
fmt_fifo_rvalid	logic
fmt_fifo_rready	logic
fmt_fifo_rdata	logic [12:0]
fmt_byte	logic [7:0]
fmt_flag_start_before	logic
fmt_flag_stop_after	logic
fmt_flag_read_bytes	logic
fmt_flag_read_continue	logic
fmt_flag_nak_ok	logic
i2c_fifo_rxrst	logic
i2c_fifo_fmtrst	logic
i2c_fifo_rxilvl	logic [2:0]
i2c_fifo_fmtilvl	logic [1:0]
rx_fifo_wvalid	logic
rx_fifo_wready	logic
rx_fifo_wdata	logic [7:0]
rx_fifo_depth	logic [6:0]
rx_fifo_rvalid	logic
rx_fifo_rready	logic
rx_fifo_rdata	logic [7:0]
fmt_watermark_d	logic
fmt_watermark_q	logic
rx_watermark_d	logic
rx_watermark_q	logic
tx_fifo_wvalid	logic
tx_fifo_wready	logic
tx_fifo_wdata	logic [7:0]
tx_fifo_depth	logic [6:0]
tx_fifo_rvalid	logic
tx_fifo_rready	logic
tx_fifo_rdata	logic [7:0]
acq_fifo_wvalid	logic
acq_fifo_wready	logic
acq_fifo_wdata	logic [9:0]
acq_fifo_depth	logic [6:0]
acq_fifo_rvalid	logic
acq_fifo_rready	logic
acq_fifo_rdata	logic [9:0]
i2c_fifo_txrst	logic
i2c_fifo_acqrst	logic
host_idle	logic
target_idle	logic
host_enable	logic
target_enable	logic
line_loopback	logic
target_address0	logic [6:0]
target_mask0	logic [6:0]
target_address1	logic [6:0]
target_mask1	logic [6:0]
unused_fifo_ctrl_rxilvl_qe	logic	Unused parts of exposed bits
unused_fifo_ctrl_fmtilvl_qe	logic
unused_rx_fifo_rdata_q	logic [7:0]
unused_acq_fifo_adata_q	logic [7:0]
unused_acq_fifo_signal_q	logic [1:0]
unused_alert_test_qe	logic
unused_alert_test_q	logic

Processes

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

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

• unnamed: ( )

• unnamed: ( )

Instantiations

• u_i2c_fmtfifo: prim_fifo_sync

• u_i2c_rxfifo: prim_fifo_sync

• u_i2c_txfifo: prim_fifo_sync

• u_i2c_acqfifo: prim_fifo_sync

• u_i2c_sync_scl: prim_flop_2sync

• u_i2c_sync_sda: prim_flop_2sync

• u_i2c_fsm: i2c_fsm

• intr_hw_fmt_watermark: prim_intr_hw

• intr_hw_rx_watermark: prim_intr_hw

• intr_hw_fmt_overflow: prim_intr_hw

• intr_hw_rx_overflow: prim_intr_hw

• intr_hw_nak: prim_intr_hw

• intr_hw_scl_interference: prim_intr_hw

• intr_hw_sda_interference: prim_intr_hw

• intr_hw_stretch_timeout: prim_intr_hw

• intr_hw_sda_unstable: prim_intr_hw

• intr_hw_trans_complete: prim_intr_hw

• intr_hw_tx_empty: prim_intr_hw

• intr_hw_tx_nonempty: prim_intr_hw

• intr_hw_tx_overflow: prim_intr_hw

• intr_hw_acq_overflow: prim_intr_hw

• intr_hw_ack_stop: prim_intr_hw

• intr_hw_host_timeout: prim_intr_hw