I2C_CTR_REG
| SDA_FORCE_OUT | reg_sda_force_out |
| SCL_FORCE_OUT | reg_scl_force_out |
| SAMPLE_SCL_LEVEL | reg_sample_scl_level |
| RX_FULL_ACK_LEVEL | reg_rx_full_ack_level |
| MS_MODE | reg_ms_mode |
| TRANS_START | reg_trans_start |
| TX_LSB_FIRST | reg_tx_lsb_first |
| RX_LSB_FIRST | reg_rx_lsb_first |
| CLK_EN | reg_clk_en |
| ARBITRATION_EN | reg_arbitration_en |
| FSM_RST | reg_fsm_rst |
| CONF_UPGATE | reg_conf_upgate |
| SLV_TX_AUTO_START_EN | reg_slv_tx_auto_start_en |
| ADDR_10BIT_RW_CHECK_EN | reg_addr_10bit_rw_check_en |
| ADDR_BROADCASTING_EN | reg_addr_broadcasting_en |