706
Bit 5
Bit 4
MST
TRS
Operating Mode
0
0
Slave receive mode
(Initial value)
1
Slave transmit mode
1
0
Master receive mode
1
Master transmit mode
Bit 5
MST
Description
0
Slave mode
[Clearing conditions]
1. When 0 is written by software
2. When bus arbitration is lost after transmission is started in I
2
C bus
format master mode
(Initial value)
1
Master mode
[Setting conditions]
1. When 1 is written by software (in cases other than clearing condition 2)
2. When 1 is written in MST after reading MST = 0 (in case of clearing condition 2)
Bit 4
TRS
Description
0
Receive mode
[Clearing conditions]
1. When 0 is written by software (in cases other than setting condition
3)
2. When 0 is written in TRS after reading TRS = 1 (in case of clearing
condition 3)
3. When bus arbitration is lost after transmission is started in I
2
C bus
format master mode
4. When the SW bit in DDCSWR changes from 1 to 0
(Initial value)
1
Transmit mode
[Setting conditions]
1. When 1 is written by software (in cases other than clearing conditions 3 and 4)
2. When 1 is written in TRS after reading TRS = 0 (in case of clearing conditions 3
and 4)
3. When a 1 is received as the R/W bit of the first frame in I
2
C bus format slave mode
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...