Chapter 13
Serial Interface
IIC Communication
XIII - 69
Setting Example of Slave Communication
Figure:13.5.14 Slave Communication Setting Flow Diagram
Stop condition detection interrupt generation
IIC coommunication completion
Slave reception start
(Receive the slave aR/W bit from the master)
Set transmission data to TXBUFn
Check of data transmission and reception
SCnIICSTR.IIC3WRS
Slave transmission
Slave reception
Set dummy data to TXBUFn
Start slave transmission
Start slave reception
NO
NO
End of slave transmission
End of slave reception
Communication completion?
YES
YES
Communication completion interrupt
Communication completion interrupt
Communication completion?
Select MSB-first or LSB-first
Serial reset
SCnMD2.SCnRSTN=0
End of serial reset
SCnMD2.SCnRSTN=1
initializing monitor flag
SCnIICSTR.IIC3DATA_ERR=0
YES
NO
SCnSBCSLV
SCnDIR
Be sure to set it to "0".
Note:1 As initial setting, register changed at the time of serial reset is shown below.
Please change it if needed, such as interrupt setting or port setting.
Master setting at slave address transmission
SCnMD0
SCnCE1
SCnCTM
IIC3DEM
SCnMD1
SCnIOM
SCnMST
SCnSBTS
SCnSBIS
SCnSBOS
SCnMD2
SCnIFS
SCnCKPH
SCnSBCSEN
SCnMD3
IIC3STPC
IIC3REX
SCnCMD
IIC3ACKS
Other, SCnMD0, SCnMD3, SCnAD register
SCnMD0
IIC3STE
SCnMD3
IIC3TMD
SCnAD
IIC3AD7-0
Be sure to set it to "0".
Be sure to set it to "0".
Be sure to set it to "1".
Be sure to set it to "0".
Be sure to set it to "1".
Be sure to set it to "0".
Be sure to set it to "1".
Be sure to set it to "1".
Be sure to set it to "1".
Be sure to set it to "0".
Be sure to set it to "0".
Be sure to set it to "0".
Be sure to set it to "1".
Be sure to set it to "1".
Start condition setting
Slave address setting
Communication mode selectioon
Be sure to set it to "0".
Initial setting (*1)
Received slave address
is equal to SCnAD ?
ACK transmission by hardware
NACK transmission by hardware
Communication completion interrupt
Slave reception end
Serial transfer clock is needed to be set with BRTM_S_EN, BRTM_S_MD
and so forth.
Содержание MN101L Series
Страница 1: ...Cover MICROCOMPUTER MN101L MN101LR05D 04D 03D 02D LSI User s Manual Pub No 21705 015E ...
Страница 2: ......
Страница 8: ......
Страница 10: ......
Страница 11: ...Contents Contents 0 ...
Страница 22: ... Contents 11 ...
Страница 23: ...I Chapter 1 Overview 1 ...
Страница 62: ...Chapter 1 Overview I 40 Cautions for Circuit Setup ...
Страница 63: ...II Chapter 2 CPU 2 ...
Страница 94: ...Chapter 2 CPU II 32 Reset ...
Страница 95: ...III Chapter 3 Interrupts 3 ...
Страница 143: ...IV Chapter 4 Clock Mode Voltage Control 4 ...
Страница 175: ...V Chapter 5 Watchdog Timer WDT 5 ...
Страница 180: ...Chapter 5 Watchdog Timer WDT V 6 Operation ...
Страница 181: ...VI Chapter 6 Power Supply Voltage Detection 6 ...
Страница 189: ...VII Chapter 7 I O Port 7 ...
Страница 248: ...Chapter 7 I O Port VII 60 Port 8 ...
Страница 249: ...VIII Chapter 8 8 bit Timer 8 ...
Страница 282: ...Chapter 8 8 bit Timer VIII 34 8 bit Timer Cascade Connection ...
Страница 283: ...IX Chapter 9 16 bit Timer 9 ...
Страница 346: ...Chapter 9 16 bit Timer IX 64 IGBT Output with Dead Time ...
Страница 347: ...X Chapter 10 General Purpose Time Base Free Running Timer 10 ...
Страница 361: ...XI Chapter 11 RTC Time Base Timer RTC TBT 11 ...
Страница 371: ...XII Chapter 12 Real Time Clock RTC 12 ...
Страница 389: ...XIII Chapter 13 Serial Interface 13 ...
Страница 458: ...Chapter 13 Serial Interface XIII 70 IIC Communication ...
Страница 459: ...XIV Chapter 14 DMA Controller 14 ...
Страница 472: ...Chapter 14 DMA Controller XIV 14 DMA Data Transfer ...
Страница 473: ...XV Chapter 15 Buzzer 15 ...
Страница 479: ...XVI Chapter 16 A D Converter ADC 16 ...
Страница 493: ...XVII Chapter 17 LCD 17 ...
Страница 530: ...Chapter 17 LCD XVII 38 LCD Display Examples ...
Страница 531: ...XVIII Chapter 18 ReRAM 18 ...
Страница 538: ...Chapter 18 ReRAM XVIII 8 Command Library ...
Страница 539: ...XIX Chapter 19 On Board Debugger 19 ...
Страница 542: ...Chapter 19 On Board Debugger XIX 4 List of on board debugging functions ...
Страница 543: ...XX Chapter 20 Appendix 20 ...
Страница 555: ...Chapter 20 Appendix Instruction map XX 13 ...