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ST72372 Datasheet(PDF) 19 Page - STMicroelectronics

Part # ST72372
Description  8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI
PDF  94 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72372 Datasheet(HTML) 19 Page - STMicroelectronics

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ST72371/ST72372
INTERRUPTS (Cont’d)
Figure 12. Interrupt Processing Flowchart
FROM RESET
EXECUTE INSTRUCTION
STACK PC, X, A, CC
SET I BIT
LOAD PC FROM INTERRUPT VECTOR
RESTORE PC, X, A, CC FROM STACK
INTERRUPT
N
Y
I BIT SET
N
Y
IRET
FETCH NEXT INSTRUCTION
Y
N
THIS CLEARS I BIT BY DEFAULT
VR01172D



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