CTRL

INT_FL1

INT_EN1

FIFO_LEN

RX_CTRL0

RX_CTRL1

TX_CTRL0

TX_CTRL1

FIFO

MASTER_CTRL

CLK_LO

CLK_HI

HS_CLK

STATUS

TIMEOUT

SLAVE_ADDR

DMA

INT_FL0

INT_EN0

I2C_EN : I2C Enable.
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

MST : Master Mode Enable.
bits : 1 - 2 (2 bit)
access : read-write

Enumeration:

End of enumeration elements list.

GEN_CALL_ADDR : General Call Address Enable.
bits : 2 - 4 (3 bit)
access : read-write

Enumeration:

End of enumeration elements list.

RX_MODE : Interactive Receive Mode.
bits : 3 - 6 (4 bit)
access : read-write

Enumeration:

End of enumeration elements list.

RX_MODE_ACK : Data Acknowledge. This bit defines the acknowledge bit returned by the I2C receiver while IRXM = 1 HW forces ACK to 0 when IRXM = 0.
bits : 4 - 8 (5 bit)
access : read-write

Enumeration:

End of enumeration elements list.

SCL_OUT : SCL Output. This bits control SCL output when SWOE =1.
bits : 6 - 12 (7 bit)
access : read-write

Enumeration:

End of enumeration elements list.

SDA_OUT : SDA Output. This bits control SDA output when SWOE = 1.
bits : 7 - 14 (8 bit)
access : read-write

Enumeration:

End of enumeration elements list.

SCL : SCL status. This bit reflects the logic gate of SCL signal.
bits : 8 - 16 (9 bit)
access : read-only

SDA : SDA status. THis bit reflects the logic gate of SDA signal.
bits : 9 - 18 (10 bit)
access : read-only

SW_OUT_EN : Software Output Enable.
bits : 10 - 20 (11 bit)
access : read-write

Enumeration:

End of enumeration elements list.

READ : Read. This bit reflects the R/W bit of an address match (AMI = 1) or general call match(GCI = 1). This bit is valid 3 cycles after the relevant interrupt bit is set.
bits : 11 - 22 (12 bit)
access : read-only

Enumeration:

End of enumeration elements list.

SCL_CLK_STRECH_DIS : This bit will disable slave clock stretching when set.
bits : 12 - 24 (13 bit)
access : read-write

Enumeration:

End of enumeration elements list.

SCL_PP_MODE : SCL Push-Pull Mode. This bit controls whether SCL is operated in a the I2C standard open-drain mode, or in a non-standard push-pull mode where the Hi-Z output isreplaced with Drive-1. The non-standard mode should only be used when operating as a master and communicating with slaves that are guaranteed to never drive SCL low.
bits : 13 - 26 (14 bit)
access : read-write

Enumeration:

End of enumeration elements list.

HS_MODE : Hs-mode Enable.
bits : 15 - 15 (1 bit)

Enumeration:

End of enumeration elements list.

RX_OVERFLOW : Receiver Overflow Interrupt. When operating as a slave receiver, this bit is set when you reach the first data bit and the RX FIFO and shift register are both full.
bits : 0 - 0 (1 bit)

Enumeration:

End of enumeration elements list.

TX_UNDERFLOW : Transmit Underflow Interrupt. When operating as a slave transmitter, this bit is set when you reach the first data bit and the TX FIFO is empty and the master is still asking for more data (i.e the master hasn't sent a NACK yet).
bits : 1 - 2 (2 bit)

Enumeration:

End of enumeration elements list.

RX_OVERFLOW : Receiver Overflow Interrupt Enable.
bits : 0 - 0 (1 bit)

Enumeration:

End of enumeration elements list.

TX_UNDERFLOW : Transmit Underflow Interrupt Enable.
bits : 1 - 2 (2 bit)

Enumeration:

End of enumeration elements list.

RX_LEN : Receive FIFO Length.
bits : 0 - 7 (8 bit)
access : read-only

TX_LEN : Transmit FIFO Length.
bits : 8 - 23 (16 bit)
access : read-only

DNR : Do Not Respond.
bits : 0 - 0 (1 bit)

Enumeration:

End of enumeration elements list.

RX_FLUSH : Receive FIFO Flush. This bit is automatically cleared to 0 after the operation. Setting this bit to 1 will affect RX_FIFO status.
bits : 7 - 14 (8 bit)

Enumeration:

End of enumeration elements list.

RX_THRESH : Receive FIFO Threshold. These bits define the RX_FIFO interrupt threshold.
bits : 8 - 19 (12 bit)

RX_CNT : Receive Count Bits. These bits define the number of bytes to be received in a transaction, except for the case RXCNT = 0. RXCNT = 0 means 256 bytes to be received in a transaction.
bits : 0 - 7 (8 bit)

RX_FIFO : Receive FIFO Count. These bits reflect the number of byte in the RX_FIFO. These bits are flushed when I2CEN = 0.
bits : 8 - 19 (12 bit)
access : read-only

TX_PRELOAD : Transmit FIFO Preaload Mode. Setting this bit will allow for high speed application to preload the transmit FIFO prior to Slave Address Match.
bits : 0 - 0 (1 bit)

TX_READY_MODE : Transmit FIFO Ready Manual Mode.
bits : 1 - 2 (2 bit)

Enumeration:

End of enumeration elements list.

TX_FLUSH : Transmit FIFO Flush. This bit is automatically cleared to 0 after the operation.
bits : 7 - 14 (8 bit)

Enumeration:

End of enumeration elements list.

TX_THRESH : Transmit FIFO Threshold. These bits define the TX_FIFO interrupt threshold.
bits : 8 - 19 (12 bit)

TX_READY : Transmit FIFO Preload Ready.
bits : 0 - 0 (1 bit)

TX_LAST : Transmit Last. This bit is used in slave mod only. Do not use when preloading (cleared by hardware).
bits : 1 - 2 (2 bit)

Enumeration:

End of enumeration elements list.

TX_FIFO : Transmit FIFO Count. These bits reflect the number of bytes in the TX_FIFO.
bits : 8 - 19 (12 bit)
access : read-only

DATA : Data is read from or written to this location. Transmit and receive FIFO are separate but both are addressed at this location.
bits : 0 - 7 (8 bit)

START : Setting this bit to 1 will start a master transfer.
bits : 0 - 0 (1 bit)

RESTART : Setting this bit to 1 will generate a repeated START.
bits : 1 - 2 (2 bit)

STOP : Setting this bit to 1 will generate a STOP condition.
bits : 2 - 4 (3 bit)

SL_EX_ADDR : Slave Extend Address Select.
bits : 7 - 14 (8 bit)

Enumeration:

End of enumeration elements list.

MASTER_CODE : Master Code. These bits set the Master Code used in Hs-mode operation.
bits : 8 - 18 (11 bit)

SCL_SPEED_UP : Serial Clock speed Up. Setting this bit disables the master's monitoring of SCL state for other external masters or slaves.
bits : 11 - 22 (12 bit)

Enumeration:

End of enumeration elements list.

CLK_LO : Clock low. In master mode, these bits define the SCL low period. In slave mode, these bits define the time SCL will be held low after data is outputted.
bits : 0 - 8 (9 bit)

CKH : Clock High. In master mode, these bits define the SCL high period.
bits : 0 - 8 (9 bit)

HS_CLK_LO : Slave Address.
bits : 0 - 7 (8 bit)

HS_CLK_HI : Slave Address.
bits : 8 - 23 (16 bit)

BUS : Bus Status.
bits : 0 - 0 (1 bit)
access : read-only

Enumeration:

End of enumeration elements list.

RX_EMPTY : RX empty.
bits : 1 - 2 (2 bit)
access : read-only

Enumeration:

End of enumeration elements list.

RX_FULL : RX Full.
bits : 2 - 4 (3 bit)
access : read-only

Enumeration:

End of enumeration elements list.

TX_EMPTY : TX Empty.
bits : 3 - 6 (4 bit)

Enumeration:

End of enumeration elements list.

TX_FULL : TX Full.
bits : 4 - 8 (5 bit)

Enumeration:

End of enumeration elements list.

CLK_MODE : Clock Mode.
bits : 5 - 10 (6 bit)
access : read-only

Enumeration:

End of enumeration elements list.

STATUS : Controller Status.
bits : 8 - 19 (12 bit)

Enumeration:

End of enumeration elements list.

TO : Timeout
bits : 0 - 15 (16 bit)

SLAVE_ADDR : Slave Address.
bits : 0 - 9 (10 bit)

SLAVE_ADDR_DIS : Slave Address DIS.
bits : 10 - 20 (11 bit)

SLAVE_ADDR_IDX : Slave Address Index.
bits : 11 - 25 (15 bit)

EX_ADDR : Extended Address Select.
bits : 15 - 30 (16 bit)

Enumeration:

End of enumeration elements list.

TX_EN : TX channel enable.
bits : 0 - 0 (1 bit)

Enumeration:

End of enumeration elements list.

RX_EN : RX channel enable.
bits : 1 - 2 (2 bit)

Enumeration:

End of enumeration elements list.

DONE : Transfer Done Interrupt.
bits : 0 - 0 (1 bit)

Enumeration: INT_FL0_Done

End of enumeration elements list.

RX_MODE : Interactive Receive Interrupt.
bits : 1 - 2 (2 bit)

Enumeration:

End of enumeration elements list.

GEN_CALL_ADDR : Slave General Call Address Match Interrupt.
bits : 2 - 4 (3 bit)

Enumeration:

End of enumeration elements list.

ADDR_MATCH : Slave Address Match Interrupt.
bits : 3 - 6 (4 bit)

Enumeration:

End of enumeration elements list.

RX_THRESH : Receive Threshold Interrupt. This bit is automaticcaly cleared when RX_FIFO is below the threshold level.
bits : 4 - 8 (5 bit)

Enumeration:

End of enumeration elements list.

TX_THRESH : Transmit Threshold Interrupt. This bit is automaticcaly cleared when TX_FIFO is above the threshold level.
bits : 5 - 10 (6 bit)

Enumeration:

End of enumeration elements list.

STOP : STOP Interrupt.
bits : 6 - 12 (7 bit)

Enumeration:

End of enumeration elements list.

ADDR_ACK : Address Acknowledge Interrupt.
bits : 7 - 14 (8 bit)

Enumeration:

End of enumeration elements list.

ARB_ER : Arbritation error Interrupt.
bits : 8 - 16 (9 bit)

Enumeration:

End of enumeration elements list.

TO_ER : timeout Error Interrupt.
bits : 9 - 18 (10 bit)

Enumeration:

End of enumeration elements list.

ADDR_NACK_ER : Address NACK Error Interrupt.
bits : 10 - 20 (11 bit)

Enumeration:

End of enumeration elements list.

DATA_ER : Data NACK Error Interrupt.
bits : 11 - 22 (12 bit)

Enumeration:

End of enumeration elements list.

DO_NOT_RESP_ER : Do Not Respond Error Interrupt.
bits : 12 - 24 (13 bit)

Enumeration:

End of enumeration elements list.

START_ER : Start Error Interrupt.
bits : 13 - 26 (14 bit)

Enumeration:

End of enumeration elements list.

STOP_ER : Stop Error Interrupt.
bits : 14 - 28 (15 bit)

Enumeration:

End of enumeration elements list.

TX_LOCK_OUT : Transmit Lock Out Interrupt.
bits : 15 - 30 (16 bit)

DONE : Transfer Done Interrupt Enable.
bits : 0 - 0 (1 bit)
access : read-write

Enumeration:

End of enumeration elements list.

RX_MODE : Description not available.
bits : 1 - 2 (2 bit)
access : read-write

Enumeration:

End of enumeration elements list.

GEN_CTRL_ADDR : Slave mode general call address match received input enable.
bits : 2 - 4 (3 bit)
access : read-write

Enumeration:

End of enumeration elements list.

ADDR_MATCH : Slave mode incoming address match interrupt.
bits : 3 - 6 (4 bit)
access : read-write

Enumeration:

End of enumeration elements list.

RX_THRESH : RX FIFO Above Treshold Level Interrupt Enable.
bits : 4 - 8 (5 bit)
access : read-write

Enumeration:

End of enumeration elements list.

TX_THRESH : TX FIFO Below Treshold Level Interrupt Enable.
bits : 5 - 10 (6 bit)

Enumeration:

End of enumeration elements list.

STOP : Stop Interrupt Enable
bits : 6 - 12 (7 bit)
access : read-write

Enumeration:

End of enumeration elements list.

ADDR_ACK : Received Address ACK from Slave Interrupt.
bits : 7 - 14 (8 bit)

Enumeration:

End of enumeration elements list.

ARB_ER : Master Mode Arbitration Lost Interrupt.
bits : 8 - 16 (9 bit)

Enumeration:

End of enumeration elements list.

TO_ER : Timeout Error Interrupt Enable.
bits : 9 - 18 (10 bit)

Enumeration:

End of enumeration elements list.

ADDR_ER : Master Mode Address NACK Received Interrupt.
bits : 10 - 20 (11 bit)

Enumeration:

End of enumeration elements list.

DATA_ER : Master Mode Data NACK Received Interrupt.
bits : 11 - 22 (12 bit)

Enumeration:

End of enumeration elements list.

DO_NOT_RESP_ER : Slave Mode Do Not Respond Interrupt.
bits : 12 - 24 (13 bit)

Enumeration:

End of enumeration elements list.

START_ER : Out of Sequence START condition detected interrupt.
bits : 13 - 26 (14 bit)

Enumeration:

End of enumeration elements list.

STOP_ER : Out of Sequence STOP condition detected interrupt.
bits : 14 - 28 (15 bit)

Enumeration:

End of enumeration elements list.

TX_LOCK_OUT : TX FIFO Locked Out Interrupt.
bits : 15 - 30 (16 bit)

Enumeration:

End of enumeration elements list.