ST7FLITEU0ICD View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST7FLITEU0ICD

8-bit low cost, low pin-count MCU for automotive, with single voltage Flash memory, ADC, timers

STMicroelectronics 

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ST7LUS5, ST7LU05, ST7LU09

Figure 14. Interrupt processing flowchart

Interrupts

From reset

N

I bit set?

Y

Fetch next instruction

N

Interrupt

pending?

Y

t(s) N

IRET?

uc Y

d Execute instruction

Pro t(s) Restore PC, X, A, CC from stack

OObbssoolleettee PPrroodduucctt((ss)) -- OObbssoolleettee Produc thisclearsIbitbydefault

Stack PC, X, A, CC

set I bit

load PC from interrupt vector

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