RL78/D1A User's Manual: Hardware - Renesas

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Under development Preliminary document Specifications in this document are tentative and subject to change. RL78/D1A CHAPTER 18 MULTIPLIER AND DIVIDER/MULTIPLY-ACCUMULATOR Figure 18-10. Timing Diagram of Division Operation (Example: 35 6 = 5, Remainder 5) Operation clock 80H 81H 80H MDUC DIVST 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 Counter Undefined 0000 0005 C000 0001 3000 0000 8C00 0000 2300 0000 08C0 0000 0230 0000 008C 0000 0023 0000 0008 C000 0002 3000 0000 8C00 0000 2300 0000 08C0 0000 0230 0000 008C 0000 0023 0000 0000 XXXX XXXX MDAH, MDAL 0000 0006 0000 0000 XXXX XXXX MDBH, MDBL R01UH0317EJ0004 Rev. 0.04 1025 Feb. 22, 2013 0000 0005 0000 0002 0000 0002 0000 0000 XXXX XXXX MDCH, MDCL INTMD , ,
Under development Preliminary document Specifications in this document are tentative and subject to change. RL78/D1A CHAPTER 19 DMA CONTROLLER CHAPTER 19 DMA CONTROLLER 48 pin 64 pin 80 pin 100 pin R5F10CGx /R5F10DGx R5F10CLx /R5F10DLx R5F10CMx /R5F10DMx DMA 2 channels 4 channels R5F10TPx /R5F10DPx The RL78/D1A has an internal DMA (Direct Memory Access) controller. Data can be automatically transferred between the peripheral hardware supporting DMA, SFRs, and internal RAM without via CPU. As a result, the normal internal operation of the CPU and data transfer can be executed in parallel with transfer between the SFR and internal RAM, and therefore, a large capacity of data can be processed. In addition, real-time control using communication, timer, and A/D can also be realized. 19.1 Functions of DMA Controller Number of DMA channels: 2 channels (48, 64 or 80-pin products) 4 channels (100-pin products) Transfer unit: 8 or 16 bits Maximum transfer unit: 1024 times Transfer type: 2-cycle transfer (One transfer is processed in 2 clocks and the CPU stops during that processing.) Transfer mode: Single-transfer mode Transfer request: Selectable from the following peripheral hardware interrupts A/D converter Serial interface (CSI00, CSI01, CSI10, UART0, and UART1) Timer (channel 0, 1, 3, 5, 7, 10 to 15, 17, 20, 21, 23, 25, 27) I 2 C Transfer target: Between SFR and internal RAM Here are examples of functions using DMA. Successive transfer of serial interface Batch transfer of analog data Capturing A/D conversion result at fixed interval Capturing port value at fixed interval R01UH0317EJ0004 Rev. 0.04 1026 Feb. 22, 2013
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User’s Manual 16 RL78/D1A 16-Bit
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NOTES FOR CMOS DEVICES (1) VOLTAGE
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Conventions Data significance: High
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CONTENTS CHAPTER 1 OUTLINE.........
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3.4.4 Short direct addressing .....
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6.8 Operation of Plural Channels of
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12.5.3 Master transmission/receptio
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14.9.1 Message reception ..........
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19.2 Configuration of DMA Controlle
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28.1.1 Programming Environment.....
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34.2 64-pin products 1276 R5F10CLDx
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RL78/D1A User’s Manual: Hardware
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