ST10F296 datasheet(285/346 Pages) STMICROELECTRONICS

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EXICON register

EXICON (F1C0h/E0h)

ESFR

Reset value: 0000h

3210

EXI7ES

EXI6ES

EXI5ES

EXI4ES

EXI3ES(1)(2)

EXI2ES and EXI3ES must be configured as 01b because RTC interrupt request lines are rising edge

active.

Alarm interrupt request line (RTCAI) is linked with EXI3ES

EXI2ES(1)(3)

Timed interrupt request line (RTCSI) is linked with EXI2ES

EXI1ES

EXI0ES

R/W

Table 153.

EXICON register description

Bit

Bit name

Function

15-0

EXIxES

(x = 7 to 0)

External interrupt x edge selection field (x = 7...0)

00: Fast external interrupts disabled (standard mode). EXxIN pin not

taken into account for entering/exiting power-down mode.

01: Interrupt on positive rising edge. Power-down mode is entered if

EXiIN = 0 and exited if EXxIN = 1 (referred as ‘high’ active level).

10: Interrupt on negative falling edge. Power-down mode is entered if

EXiIN = 1 and exited if EXxIN = 0 (referred as ‘low’ active level).

11: Interrupt on any edge (rising or falling). Power-down mode is

always entered. It is exited if the EXxIN level changes.

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