ST7LUS5 datasheet(66/124 Pages) STMICROELECTRONICS

66 / 124 page

On-chip peripherals

ST7LUS5, ST7LU05, ST7LU09

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10.1.6

Lite timer control/status register (LTCSR)

LTCSR

Reset value: 0000 0x00 (0xh)

654

ICIE

ICF

TBIE

TBF

WDGR

WDGE

WDGD

R/W

Table 35.

LTCSR register description

Bit

Name

Function

7ICIE

Interrupt enable

This bit is set and cleared by software.

0: Input Capture (IC) interrupt disabled

1: Input Capture (IC) interrupt enabled

6ICF

Input Capture flag

This bit is set by hardware and cleared by software by reading the LTICR register.

Writing to this bit does not change the bit value.

0: No input capture

1: An input capture has occurred

Note: After an MCU reset, software must initialize the ICF bit by reading the LTICR

5TB

Timebase period selection

This bit is set and cleared by software.

0: Timebase period = tOSC * 8000 (1ms @ 8 MHz)

1: Timebase period = tOSC * 16000 (2ms @ 8 MHz)

4TBIE

Timebase Interrupt enable

This bit is set and cleared by software.

0: Timebase (TB) interrupt disabled

1: Timebase (TB) interrupt enabled

3TBF

Timebase Interrupt flag

This bit is set by hardware and cleared by software reading the LTCSR register.

Writing to this bit has no effect.

0: No counter overflow

1: A counter overflow has occurred

WDGRF

Force Reset/Reset Status flag

This bit is used in two ways: It is set by software to force a watchdog reset. It is set

by hardware when a watchdog reset occurs and cleared by hardware or by

software. It is cleared by hardware only when an LVD reset occurs. It can be

cleared by software after a read access to the LTCSR register.

0: No watchdog reset occurred.

1: Force a watchdog reset (write), or, a watchdog reset occurred (read).

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