1
Download Cycle Stealing Mode - Renesas Electronics
Transcript
SH7216/SH7239/SH7231 Groups Data Transfer Within On-Chip RAM (Cycle Stealing Mode) Using the DMAC Contents 1. Specifications ..................................................................................................................................... 3 2. Operation Confirmation Conditions .................................................................................................... 4 3. Reference Application Notes .............................................................................................................. 5 4. Peripheral Functions........................................................................................................................... 6 5. Software ............................................................................................................................................. 8 5.1 Operation Overview ..................................................................................................................... 8 5.2 File Composition .......................................................................................................................... 9 5.3 Constants ..................................................................................................................................... 9 5.4 Functions...................................................................................................................................... 9 5.5 Function Specifications .............................................................................................................. 10 5.6 Flowcharts.................................................................................................................................. 12 5.6.1 Main Processing ................................................................................................................. 12 5.6.2 Transfer Source/Transfer Destination Memory Area Initialization...................................... 13 5.6.3 DMAC Initialization ............................................................................................................. 14 5.6.4 DMA Transfer Start Processing .......................................................................................... 15 5.6.5 DMA Transfer End Processing ........................................................................................... 15 6. Reference Documents...................................................................................................................... 16 R01AN1262EJ0100 Rev.1.00 Dec. 07, 2012 Page 2 of 16
