ST7FOXK2 datasheet(103/226 Pages) STMICROELECTRONICS

103 / 226 page

ST7FOXF1, ST7FOXK1, ST7FOXK2

On-chip peripherals

103/226

Break control register 2 (BREAKCR2)

Reset value: 0000 0000 (00h)

Note:

This register is available on ST7FOXK2 only

Bit 7 = BR2SEL Break 2 input selection bit

This bit is read/write by software and cleared by hardware after reset. It selects the

active Break 2 signal from external BREAK2 pin and the output of the comparator.

0: External BREAK2 pin is selected for break mode.

1: Comparator 2 output is selected for break mode.

Bit 6 = BR2EDGE Break 2 input edge selection bit

This bit is read/write by software and cleared by hardware after reset. It selects the

active level of Break 2 signal.

0: Low level of Break 2 selected as active level

1: High level of Break 2 selected as active level

Bit 5 = BA2 Break 2 Active bit

This bit is read/write by software, cleared by hardware after reset and set by hardware

when the active level defined by the BR2EDGE bit is applied on the BREAK2 pin. It

activates/deactivates the Break 2 function.

0: Break 2 not active

1: Break 2 active

Bit 4 = BP2EN Break 2 pin enable bit

This bit is read/write by software and cleared by hardware after Reset.

0: BREAK2 pin disabled

1: BREAK2 pin enabled

Bits 3:2 = Reserved, must be kept cleared

Bit 1 = SWBR2 Switch Break for counter 2 bit

This bit is read/write by software. While BREN2 is set, it selects BA1 or BA2 to control

PWM2/3 if ENCNTR2 bit is set.

0: BA1 selected

1: BA2 selected

Bit 0 = SWBR1 Switch Break for counter 1 bit

This bit is read/write by software. While BREN1 is set, it selects BA1 or BA2 to control

PWM0/1 by default and also PWM2/3 if ENCNTR2 bit is reset.

0: BA1 selected

1: BA2 selected

BR2SEL

BR2EDGE

BA2

BP2EN

SWBR2

SWBR1

Read/write

ST7FOXK2 数据表(PDF) 103 Page - STMicroelectronics

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