Key-On Wakeup (Kwu); Configuration; Control; Function - Toshiba TLCS-870/C Series Manual

14. Key-on Wakeup (KWU)

In the TMP86PM29BUG, the STOP mode is released by not only P20(
STOP5) pins.
When the STOP mode is released by STOP2 to STOP5 pins, the
In details, refer to the following section " 14.2 Control ".

14.1 Configuration

STOP mode
release signal
(1: Release)

14.2 Control

STOP2 to STOP5 pins can controlled by Key-on Wakeup Control Register (STOPCR). It can be configured as
enable/disable in 1-bit unit. When those pins are used for STOP mode release, configure corresponding I/O pins to
input mode by I/O port register beforehand.
Key-on Wakeup Control Register
STOPCR 7
(0F9AH) STOP5 STOP4
STOP5 STOP mode released by STOP5
STOP4 STOP mode released by STOP4
STOP3 STOP mode released by STOP3
STOP2 STOP mode released by STOP2

14.3 Function

Stop mode can be entered by setting up the System Control Register (SYSCR1), and can be exited by detecting the
"L" level on STOP2 to STOP5 pins, which are enabled by STOPCR, for releasing STOP mode (Note1).
INT5
STOPCR
(0F9AH)
Figure 14-1 Key-on Wakeup Circuit
6 5 4 3
STOP3 STOP2
Page 151
/ ) pin but also four (STOP2 to
INT5 STOP
pin needs to be used.
STOP
2 1 0
(Initial value: 0000 ****)
0:Disable
1:Enable
0:Disable
1:Enable
0:Disable
1:Enable
0:Disable
1:Enable
TMP86PM29BUG
STOP
STOP2
STOP3
STOP4
STOP5
Write
only
Write
only
Write
only
Write
only