TM4C123BH6ZRB Datasheet, PDF (1042/1337 Pages) Texas Instruments – Tiva TM4C123BH6ZRB Microcontroller

Inter-Integrated Circuit (I²C) Interface
Bit/Field
1
0
Name
START
RUN
Type
WO
WO
Reset
0
Description
Generate START
Value Description
0 The controller does not generate the START condition.
1 The controller generates the START or repeated START
condition. See field decoding in Table 16-5 on page 1042.
0
I²C Master Enable
Value Description
0 This encoding means the master is unable to transmit or receive
data.
1 The master is able to transmit or receive data.
See field decoding in Table 16-5 on page 1042.
Table 16-5. Write Field Decoding for I2CMCS[3:0] Field
Current ^I2CMSA[0]
State
R/S
0
ACK
X^a
I2CMCS[3:0]
STOP START
0
1
RUN
1
Description
START condition followed by TRANSMIT (master goes
to the Master Transmit state).
0
X
1
1
1 START condition followed by a TRANSMIT and STOP
condition (master remains in Idle state).
1
0
0
1
1 START condition followed by RECEIVE operation with
negative ACK (master goes to the Master Receive state).
Idle
1
0
1
1
1 START condition followed by RECEIVE and STOP
condition (master remains in Idle state).
1
1
0
1
1 START condition followed by RECEIVE (master goes to
the Master Receive state).
1
1
1
1
1 Illegal
All other combinations not listed are non-operations. NOP
1042
Texas Instruments-Production Data
June 12, 2014