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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RA4E1 датащи(PDF) 77 Page - Renesas Technology Corp |
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RA4E1 датащи(HTML) 77 Page - Renesas Technology Corp |
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77 / 81 page  Table 3.2 Access cycles (2 of 3) Peripherals Address Number of access cycles ICLK = PCLK ICLK > PCLK*1 Cycle Unit Related function From To Read Write Read Write QSPI 0x6400_0000 0x6400_000F 5 14 to *4 2 to 5 14 to *4 PCLKA Quad-SPI QSPI 0x6400_0010 0x6400_0013 25 to *4 6 to *4 25 to *4 5 to *4 PCLKA Quad-SPI QSPI 0x6400_0014 0x6400_0037 5 14 to *4 2 to 5 14 to *4 PCLKA Quad-SPI QSPI 0x6400_0804 0x6400_0807 4 3 1 to 4 1 to 3 PCLKA Quad-SPI Table 3.2 Access cycles (3 of 3) Peripherals Address Number of access cycles ICLK = FCLK ICLK > FCLK*1 Cycle Unit Related function From To Read Write Read Write FLAD, FACI 0x407F_C000 0x407F_EFFF 3 3 2 to 3 2 to 3 FCLK Data Flash, Flash Application Command Interface Note 1. If the number of PCLK or FCLK cycles is non-integer (for example 1.5), the minimum value is without the decimal point, and the maximum value is rounded up to the decimal point. For example, 1.5 to 2. 5 is 1 to 3. Note 2. When accessing a 16-bit register (FTDRHL, FRDRHL, FCR, FDR, LSR, and CDR), access is 2 cycles more than the value shown in Table 3.2. When accessing an 8-bit register (including FTDRH, FTDRL, FRDRH, and FRDRL), the access cycles are as shown in Table 3.2. Note 3. When accessing the 32-bit register (SPDR), access is 2 cycles more than the value in Table 3.2. When accessing an 8-bit or 16-bit register (SPDR_HA), the access cycles are as shown in Table 3.2. Note 4. The access cycles depend on the QSPI bus cycles. RA4E1 Datasheet Appendix 3. I/O Registers R01DS0391EJ0110 Rev.1.10 Feb 4, 2022 Page 77 of 81 |
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