CLKSEL=0x00, CLKCTRLEN=0, CLKEN=0
SD Clock Control Register
CLKSEL | SDHI Clock Frequency Select 0 (others): Settings prohibited. 0 (0x00): PCLKA divided by 2 1 (0x01): PCLKA divided by 4 2 (0x02): PCLKA divided by 8 4 (0x04): PCLKA divided by 16 8 (0x08): PCLKA divided by 32 16 (0x10): PCLKA divided by 64 32 (0x20): PCLKA divided by 128 64 (0x40): PCLKA divided by 256 128 (0x80): PCLKA divided by 512 |
CLKEN | SD/MMC Clock Output Control Enable 0 (0): SD/MMC Clock output is disabled. The SDCLK signal is fixed 0. 1 (1): SD/MMC Clock output is enabled. |
CLKCTRLEN | SD/MMC Clock Output Automatic Control Enable 0 (0): Automatic control for SD/MMC Clock output is disabled. 1 (1): Automatic control for SD/MMC Clock output is enabled. |