REG_CTRL
#define REG_CTRL 0
#define REG_CTRL 0x00
#define REG_CTRL 0x04
#define REG_CTRL(pwm) (((pwm) << 4) + 0x00)
#define REG_CTRL 0x0
#define REG_CTRL 0x08
#define REG_CTRL 0x00
#define REG_CTRL 1
#define REG_CTRL 0x040