ic_status

This is a read-only register used to indicate the current transfer status and FIFO status. The status register may be read at any time. None of the bits in this register request an interrupt.When the I2C is disabled by writing 0 in bit 0 of the ic_enable register: - Bits 1 and 2 are set to 1 - Bits 3 and 4 are set to 0 When the master or slave state machines goes to idle - Bits 5 and 6 are set to 0
Module Instance Base Address Register Address
i2c0 0xFFC04000 0xFFC04070
i2c1 0xFFC05000 0xFFC05070
i2c2 0xFFC06000 0xFFC06070
i2c3 0xFFC07000 0xFFC07070

Offset: 0x70

Access: RO

Important: To prevent indeterminate system behavior, reserved areas of memory must not be accessed by software or hardware. Any area of the memory map that is not explicitly defined as a register space or accessible memory is considered reserved.
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

Reserved
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Reserved

slv_activity

RO 0x0

mst_activity

RO 0x0

rff

RO 0x0

rfne

RO 0x0

tfe

RO 0x1

tfnf

RO 0x1

activity

RO 0x0

ic_status Fields

Bit Name Description Access Reset
6 slv_activity

Slave FSM Activity Status. When the Slave Finite State Machine (FSM) is not in the IDLE state, this bit is set.

Value Description
0x0 Slave FSM is in IDLE state so the Slave part of i2c is not Active
0x1 Slave FSM is not in IDLE state so the Slave part of i2c is Active
RO 0x0
5 mst_activity

When the Master Finite State Machine (FSM) is not in the IDLE state, this bit is set. Note:IC_STATUS[0]-that is, ACTIVITY bit-is the OR of SLV_ACTIVITY and MST_ACTIVITY bits.

Value Description
0x0 Master FSM is in IDLE state. Master part of i2c is not Active
0x1 Master FSM is not in IDLE state. Master part of i2c is Active
RO 0x0
4 rff

Receive FIFO Completely Full.

Value Description
0x0 Receive FIFO is not full
0x1 Receive FIFO is full
RO 0x0
3 rfne

Receive FIFO Not Empty.

Value Description
0x0 Receive FIFO is empty
0x1 Receive FIFO is not empty
RO 0x0
2 tfe

Transmit FIFO Empty.

Value Description
0x0 Transmit FIFO is not empty
0x1 Transmit FIFO is empty
RO 0x1
1 tfnf

Transmit Fifo Full

Value Description
0x0 Transmit FIFO is full
0x1 Transmit FIFO is not full
RO 0x1
0 activity

I2C Activity.

 RO 0x0