Controls the startup delay
DELAY | in multiples of 256*xtal_period. The reset value of 0xc4 corresponds to approx 50 000 cycles. |
X4 | Multiplies the startup_delay by 4, just in case. The reset value is controlled by a mask-programmable tiecell and is provided in case we are booting from XOSC and the default startup delay is insufficient. The reset value is 0x0. |