ST7263-EMU2 STMicroelectronics, ST7263-EMU2 Datasheet - Page 21

• Manufacturer Part Number: ST7263-EMU2
• Description: MCU, MPU & DSP Development Tools ST7 Emulator Board
• Manufacturer: STMicroelectronics

Specifications of ST7263-EMU2

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

INTERRUPTS (Cont’d)
Figure 15. Interrupt Processing Flowchart
Table 7. Interrupt Mapping
N°
1
2
3
4
5
FROM RESET
Source
RESET
TIMER
Block
TRAP
USB
USB
SCI
I
ITi
2
C
Reset
Software Interrupt
End Suspend Mode
External Interrupts
Timer Peripheral Interrupts
I
SCI Peripheral Interrupts
USB Peripheral Interrupts
2
EXECUTE INSTRUCTION
C Peripheral Interrupts
Description
RESTORE PC, X, A, CC FROM STACK
THIS CLEARS I BIT BY DEFAULT
FETCH NEXT INSTRUCTION
N
BIT I SET
IRET
Y
Y
Register
ITRFRE
I2CSR1
I2CSR2
TIMSR
SCISR
Label
ISTR
ISTR
N/A
N
LOAD PC FROM INTERRUPT VECTOR
Priority
Highest
Priority
Lowest
Priority
Order
N
STACK PC, X, A, CC
INTERRUPT
SET I BIT
HALT
from
Exit
yes
yes
no
no
Y
FFFCh-FFFDh
FFFEh-FFFFh
FFFAh-FFFBh
FFF8h-FFF9h
FFF6h-FFF7h
FFF4h-FFF5h
FFF2h-FFF3h
FFF0h-FFF1h
Address
Vector
ST7263
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