STW4811M STMicroelectronics, STW4811M Datasheet - Page 39

• Manufacturer Part Number: STW4811M
• Description: Power Management For Multimedia Processors
• Manufacturer: STMicroelectronics

STw4811M/STw4811N
Functional description
Figure 9.
Clock switching between master and internal clock (1)
* Phase delay is less than 90 between int and ext clock
internal clock
transition
external clock
PON
INT_OSC
INT_OSC_OK
MASTER_CLK_OK
Third rising edge after switching
PDN_INT_OSC
CONTROL_SWITCH
MASTER_DIV_CLK
STEP_DOWN_CLK
39/87