ST7FLI49MK1T6 STMicroelectronics, ST7FLI49MK1T6 Datasheet - Page 51

• Manufacturer Part Number: ST7FLI49MK1T6
• Description: MCU 8BIT SGL VOLT FLASH 32-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLI49MK1T6

• 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
• Eeprom Size: 128 x 8
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Processor Series: ST7FLI4x
• 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: 5
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 10 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ST7LITE49M
Note:
8.3
Note:
Maskable sources
Maskable interrupt vector sources can be serviced if the corresponding interrupt is enabled
and if its own interrupt software priority (in ISPRx registers) is higher than the one currently
being serviced (I1 and I0 in CC register). If any of these two conditions is false, the interrupt
is latched and thus remains pending.
●
●
The clearing sequence resets the internal latch. A pending interrupt (that is, waiting for
being serviced) will therefore be lost if the clear sequence is executed.
Interrupts and low power modes
All interrupts allow the processor to exit the Wait low power mode. On the contrary, only
external and other specified interrupts allow the processor to exit from the Halt modes (see
column “Exit from Halt” in
interrupts are present while exiting Halt mode, the first one serviced can only be an interrupt
with exit from Halt mode capability and it is selected through the same decision process
shown in
If an interrupt, that is not able to Exit from Halt mode, is pending with the highest priority
when exiting Halt mode, this interrupt is serviced after the first one serviced.
External interrupts
External interrupts allow the processor to exit from Halt low power mode.
External interrupt sensitivity is software selectable through the external interrupt control
register (EICR).
External interrupt triggered on edge will be latched and the interrupt request
automatically cleared upon entering the interrupt service routine.
If several input pins of a group connected to the same interrupt line are selected
simultaneously, these will be logically ORed.
Peripheral interrupts
Usually the peripheral interrupts cause the MCU to exit from Halt mode except those
mentioned in
A peripheral interrupt occurs when a specific flag is set in the peripheral status
registers and if the corresponding enable bit is set in the peripheral control register.
The general sequence for clearing an interrupt is based on an access to the status
register followed by a read or write to an associated register.
Figure
21.
Table 18: ST7LITE49M interrupt
Table 18: ST7LITE49M interrupt
Doc ID 13562 Rev 3
mapping.
mapping). When several pending
Interrupts
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