ST7FLITE39F2M3TR STMicroelectronics, ST7FLITE39F2M3TR Datasheet - Page 36

• Manufacturer Part Number: ST7FLITE39F2M3TR
• Description: IC MCU 8BIT 8K FLASH 20SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE39F2M3TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SOIC (7.5mm Width)
• For Use With: 497-8406 - BOARD STF20NM50FD/STF7LITE39BF2497-8403 - BOARD DEMO STCC08 AC SW DETECTOR497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5049 - KIT STARTER RAISONANCE ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ST7LITE3xF2
INTERRUPTS (cont’d)
Figure 20. Interrupt Processing Flowchart
Table 6. Interrupt Mapping
Note 1: This interrupt exits the MCU from “Auto Wake-up from Halt” mode only.
Note 2: These interrupts exit the MCU from “ACTIVE-HALT” mode only.
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1
N°
10
11
12
13
0
1
2
3
4
5
6
7
8
9
FROM RESET
LITE TIMER LITE TIMER RTC2 interrupt
LITE TIMER
AT TIMER
AT TIMER
Source
RESET
LINSCI
Block
TRAP
AWU
SPI
ei0
ei1
ei2
ei3
SI
Reset
Software Interrupt
7 Interrupt
External Interrupt 0
External Interrupt 1
External Interrupt 2
External Interrupt 3
LINSCI Interrupt
AVD interrupt
AT TIMER Output Compare Interrupt
or Input Capture Interrupt
AT TIMER Overflow Interrupt
LITE TIMER Input Capture Interrupt
LITE TIMER RTC1 Interrupt
SPI Peripheral Interrupts
AT TIMER Overflow Interrupt 2
EXECUTE INSTRUCTION
Description
RESTORE PC, X, A, CC FROM STACK
THIS CLEARS I BIT BY DEFAULT
FETCH NEXT INSTRUCTION
N
I BIT SET?
IRET?
Y
Y
PWMxCSR
AWUCSR
or ATCSR
Register
SCICR1/
ATCSR2
LTCSR2
SCICR2
SPICSR
ATCSR
LTCSR
LTCSR
SICSR
Label
N/A
N/A
N
LOAD PC FROM INTERRUPT VECTOR
Priority
Highest
Priority
Lowest
Priority
Order
N
STACK PC, X, A, CC
INTERRUPT
PENDING?
SET I BIT
HALT
from
yes
yes
yes
Exit
yes
yes
yes
no
no
no
no
no
no
no
Y
1)
2)
2)
FFECh-FFEDh
FFFCh-FFFDh
FFEEh-FFEFh
FFEAh-FFEBh
FFFEh-FFFFh
FFFAh-FFFBh
FFE8h-FFE9h
FFE6h-FFE7h
FFE4h-FFE5h
FFF8h-FFF9h
FFF0h-FFF1h
FFE2h-FFE3h
FFE0h-FFE1h
FFF6h-FFF7h
FFF4h-FFF5h
FFF2h-FFF3h
Address
Vector