4 Example application

AN2202

10/12

Table 3.

Software files

The following routines are implemented in the main.c file:

Table 4.

Low power Mode routines

Note:

To select a low power mode, you have to uncomment the corresponding define code ‘#define

xxx_Mode and rebuild the main.c file.

4.3

Power consumption measurements

All consumption measurements are listed in the STR73x datasheet.

File

Description

main.c

Example software for using different low power modes

73x_it.c

Interrupt service routines

Modes

Mode configuration/ Options during the selected low power mode

RUN_Mode

- RC oscillator off, RTC on, TIM3 on and flash on.

RUN_ALLON_Mode - ALL peripheral on.

SLOW_Mode

- CLK2, CLK2_16 or free running PLL selectable

SLOW_RC_Mode

- CLK (CLK2 with div2 disabled)

WFI_Mode

- Value of MCLK can be modified

LPWFI_Mode

- Main Voltage Regulator (MVR) stopped (software selectable)

- Flash in power down or in low power (software selectable)

- WUP6 pin configured as external rising edge interrupt

LPWFI_RC_Mode

- RC running high clock is used (software selectable)

- Main Voltage Regulator (MVR) stopped (software selectable)

- Flash in power down or in low power (software selectable)

- WUP6 pin configured as external rising edge interrupt

STOP_Mode

- Flash in power down

- Main Voltage Regulator (MVR) stopped (software selectable)

- Wakeup by WUP6 pin configured as rising edge wakeup

STOP_WUT_Mode

- Flash in power down

- Main Voltage Regulator (MVR) stopped (software selectable)

- Wakeup by the WUT configured as rising edge. Wakeup after 10 second delay

HALT_Mode

- Device halted.