ST7FOXK1T6TR STMicroelectronics, ST7FOXK1T6TR Datasheet - Page 52

• Manufacturer Part Number: ST7FOXK1T6TR
• Description: IC MCU 8BIT 4K FLASH 20LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FOXK1T6TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Processor Series: ST7FOXx
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 384 B
• Interface Type: I2C
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7FLITE-SK/RAIS, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 1 Channel
• For Use With: 497-5049 - KIT STARTER RAISONANCE ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Interrupts
Table 13.
Figure 18. Interrupt processing flowchart
52/226
Interrupt software priority levels
RESTORE PC, X, A, CC
Interrupt software priority
Level 3 (= interrupt disable)
FROM STACK
RESET
Level 0 (main)
Level 1
Level 2
Y
INSTRUCTION
INTERRUPT
INSTRUCTION
FETCH NEXT
PENDING
EXECUTE
N
“IRET”
N
Y
STAYS PENDING
THE INTERRUPT
Level
High
Low
Interrupt has the same or a
LOAD I1:0 FROM INTERRUPT SW REG.
LOAD PC FROM INTERRUPT VECTOR
ST7FOXF1, ST7FOXK1, ST7FOXK2
lower software priority
than current one
STACK PC, X, A, CC
I1
1
0
1
I1:0
TLI
N
I0
0
1
0
1
Y