R01AN1504EJ0100 Datasheet, PDF (2/50 Pages) Renesas Technology Corp – Using the DTC to Perform Continuous Clock

RL78/G14
Contents
Using the DTC to Perform Continuous Clock
Synchronous Serial Communication
1. Specifications ..................................................................................................................................... 3
2. Operation Confirmation Conditions .................................................................................................... 4
3. Hardware ............................................................................................................................................ 5
3.1 Hardware Configuration ............................................................................................................... 5
3.2 Pins Used..................................................................................................................................... 5
4. Software ............................................................................................................................................. 6
4.1 Operation Overview ..................................................................................................................... 7
4.2 Section Composition .................................................................................................................. 10
4.3 Option Byte Settings .................................................................................................................. 10
4.4 Constant..................................................................................................................................... 10
4.5 Variables .................................................................................................................................... 10
4.6 Functions.................................................................................................................................... 11
4.7 Function Specifications .............................................................................................................. 11
4.8 Flowcharts.................................................................................................................................. 15
4.8.1 Overall Flow ........................................................................................................................ 15
4.8.2 Initialization ......................................................................................................................... 15
4.8.3 Peripheral Function Initialization......................................................................................... 16
4.8.4 CPU Clock Initialization ...................................................................................................... 16
4.8.5 SAU0 Initialization............................................................................................................... 17
4.8.6 CSI00 Initialization .............................................................................................................. 19
4.8.7 CSI00 Operation Start ........................................................................................................ 28
4.8.8 CSI00 Transmission/Reception Start ................................................................................. 31
4.8.9 CSI00 Transfer End Interrupt ............................................................................................. 33
4.8.10 CSI00 Receive End Callback Function ............................................................................. 35
4.8.11 CSI00 Error Callback Function .......................................................................................... 35
4.8.12 DTC Initialization ............................................................................................................... 36
4.8.13 DTCD0 Operation Start ..................................................................................................... 43
4.8.14 DTCD0 Operation Stop ..................................................................................................... 44
4.8.15 Main Processing ................................................................................................................ 45
4.8.16 Main Initialization ............................................................................................................... 46
4.8.17 Transmit Data Setting........................................................................................................ 46
5. Sample Code.................................................................................................................................... 47
6. Reference Documents...................................................................................................................... 47
R01AN1504EJ0100 Rev. 1.00
Feb. 14, 2014
Page 2 of 47