TM4C129DNCPDT Datasheet, PDF (1427/1946 Pages) Texas Instruments – Tiva Microcontroller

Tiva^™ TM4C129DNCPDT Microcontroller
Table 21-5. Write Field Decoding for I2CMCS[6:0] (continued)
Current
State
I2CMSA[0]
R/S BURST QCCMD
I2CMCS[6:0]
Next State Description
HS ACK STOP START RUN
X
0
0
00 0
0
1 RECEIVE operation with negative ACK
(master remains in Master Receive state).
X
0
0
0X 1
0
0 STOP condition (master goes to Idle state).^b
X
0
0
00 1
0
1 RECEIVE followed by STOP condition (master
goes to Idle state).
X
0
0
01 0
0
1 RECEIVE operation (master remains in Master
Receive state).
X
1
0
00 0
0
0 N FIFO-serviced RECEIVE operations with
negative ACK on the last RECEIVE (master
remains in Master Receive state).
X
1
0
00 1
0
0 N FIFO-serviced RECEIVE operations
followed by STOP condition (master goes to
Idle state).
X
1
0
01 0
0
0 N FIFO-serviced RECEIVE operations (master
remains in Master Receive state).
X
0
0
01 1
0
1 Illegal.
X
1
0
01 1
0
0 Illegal.
1
0
0
00 0
1
1 Repeated START condition followed by
RECEIVE operation with a negative ACK
(master remains in Master Receive state).
1
Master
1
Receive
0
0
00 1
1
1 Repeated START condition followed by
RECEIVE and STOP condition (master goes
to Idle state).
0
0
01 0
1
1 Repeated START condition followed by
RECEIVE (master remains in Master Receive
state).
1
1
0
00 0
1
0 Repeated START condition followed by N
FIFO-serviced RECEIVE operations with a
negative ACK on the last RECEIVE (master
remains in Master Receive state).
1
1
0
00 1
1
0 Repeated START condition followed by N
FIFO-serviced RECEIVE operations and
STOP condition (master goes to Idle state).
1
1
0
01 0
1
0 Repeated START condition followed by N
FIFO-serviced RECEIVE operations (master
remains in Master Receive state).
0
0
0
0X 0
1
1 Repeated START condition followed by
TRANSMIT (master goes to Master Transmit
state).
0
0
0
0X 1
1
1 Repeated START condition followed by
TRANSMIT and STOP condition (master goes
to Idle state).
0
1
0
0X 0
1
0 Repeated START condition followed by N
FIFO-serviced TRANSMIT operations (master
goes to Master Transmit state).
0
1
0
0X 1
1
0 Repeated START condition followed by N
FIFO-serviced TRANSMIT operations and
STOP condition (master goes to Idle state).
All other combinations not listed are non-operations.
NOP.
a. An X in a table cell indicates the bit can be 0 or 1.
June 18, 2014
Texas Instruments-Production Data
1427