st72324bk STMicroelectronics, st72324bk Datasheet - Page 43

• Manufacturer Part Number: st72324bk
• Description: 3 V/5 V Range 8-bit Mcu With 4/8 Kbyte Rom, 10-bit Adc, Four Timers And Spi
• Manufacturer: STMicroelectronics

ST72323 ST72323L
Note:
1
Figure 20. Wait mode flowchart
Before servicing an interrupt, the CC register is pushed on the stack. The I[1:0] bits of the
CC register are set to the current software priority level of the interrupt routine and
recovered when the CC register is popped.
N
WFI instruction
Interrupt
Y
256 or 4096 CPU clock
Oscillator
Peripherals
CPU
I[1:0] bits
Oscillator
Peripherals
CPU
I[1:0] bits
Oscillator
Peripherals
CPU
I[1:0] bits
N
Fetch reset vector
or service interrupt
cycle delay
Y
Reset
XX
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
10
10
(1)
Power saving modes
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