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R01UH0823EJ0100 Rev.1.00 Page 815 of 1823

Jul 31, 2019

RX23W Group 29. Low-Power Timer (LPT)

29.2.6 Low-Power Timer Standby Wakeup Enable Register (LPWUCR)

Note: Set the PRCR.PRC2 bit to 1 (write enabled) before rewriting this register.

The LPWUCR register is used to enable the function that allows to return from software standby mode to normal

operating mode when compare match 0 occurs in the low-power timer.

LPWKUPEN Bit (Low-Power Timer Standby Wakeup Enable)

This bit enables or disables the function that allows to return from software standby mode to normal operating mode

when compare match 0 occurs in the low-power timer.

Set this bit while the LPTCR3.LPCNTEN bit is 0 (low-power timer counter stops). Do not write to this bit while the

LPTCR3.LPCNTEN bit is 1 (low-power timer counter operates).

Address(es): LPT.LPWUCR 0008 00BCh

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

LPWKU

PEN

———————————————

Value after reset:

0000000000000000

Bit Symbol Bit Name Description R/W

b14 to b0 — Reserved These bits are read as 0. The write value should be 0. R/W

b15 LPWKUPEN Low-Power Timer Standby

Wakeup Enable

0: Wakeup from software standby mode using low-power

timer is disabled

1: Wakeup from software standby mode using low-power

timer is enabled

R/W

Renesas RX Series User Manual

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