SCALE=div1
Register for controlling SPI clock rate.
LO | Low duty cycle control. In timer mode, reload[7:0]. |
HI | High duty cycle control. In timer mode, reload[15:8]. |
SCALE | System Clock scale factor. Scales the AMBA clock by 2^SCALE before generating serial clock. 0 (div1): clk_freq = f_pclk/1. 1 (div2): clk_freq = f_pclk/2. 2 (div4): clk_freq = f_pclk/4. 3 (div8): clk_freq = f_pclk/8. 4 (div16): clk_freq = f_pclk/16. 5 (div32): clk_freq = f_pclk/32. 6 (div64): clk_freq = f_pclk/64. 7 (div128): clk_freq = f_pclk/128. 8 (div256): clk_freq = f_pclk/256. |