ST7FLITE25F2B6 datasheet(58/133 Pages) STMICROELECTRONICS

Numer części	ST7FLITE25F2B6

Szczegółowy opis	8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI

PDF	133 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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58 / 133 page

ST7LITE2

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12-BIT AUTORELOAD TIMER (Cont’d)

Figure 38. Block Diagram of Break Function

11.2.3.1 Input Capture

The 12-bit ATICR register is used to latch the val-

ue of the 12-bit free running upcounter after a ris-

ing or falling edge is detected on the ATIC pin.

When an input capture occurs, the ICF bit is set

and the ATICR register contains the value of the

free running upcounter. An IC interrupt is generat-

ed if the ICIE bit is set. The ICF bit is reset by read-

ing the ATICR register when the ICF bit is set. The

ATICR is a read only register and always contains

the free running upcounter value which corre-

sponds to the most recent input capture. Any fur-

ther input capture is inhibited while the ICF bit is

set.

Figure 39. Input Capture Timing Diagram

PWM0

PWM1

PWM2

PWM3

PWM0

PWM1

PWM2

PWM3

BREAKCR Register

BREAK pin

PWM counter -> Reset value

ARR & DCRx -> Reset value

PWM Mode -> Reset value

When BA is set:

(Active Low)

(Inverters)

Note:

The BREAK pin value is latched by the BA bit.

PWM0

PWM1

PWM2

PWM3

BPEN

COUNTER

01h

fCOUNTER

xxh

02h

03h

04h

05h

06h

07h

04h

ATIC PIN

ICF FLAG

ICR REGISTER

INTERRUPT

08h

09h

0Ah

INTERRUPT

ATICR READ

09h

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