Starting In Single Boot Mode; Starting By The Reset_N Pin; Figure 3.6 When The Power Supply Is On, Starting In Single Boot Mode By The Reset_N Pin - Toshiba TXZ+ TMPM4KLFYAUG Reference Manual

3.2.3. Starting in Single Boot Mode

Refer to the reference manual "Flash Memory" for details of "Single Boot Mode".

3.2.3.1. Starting by the RESET_N pin

When "Low" is inputted to a BOOT_N pin, if reset is released (a RESET_N pin "Low" to "High"), "Single Boot
Mode" is started.
When turn on power supply, input "Low" to the RESET_N pin longer than "Internal initialization time" to reset.
And release reset, after a supply voltage goes up into an operating voltage range.
Operating voltage range
LVD Release
Voltage
(V )
LVL0
POR release
Voltage
(V )
PREL
0V
RESET_N pin
LVD reset
Internal reset
Control internal
Pull-up of
BOOT_N pin
BOOT_N pin
Single Boot
Mode

Figure 3.6 When the power supply is on, starting in Single Boot Mode by the RESET_N pin

Power slope
(V
PON
LVD detection release time(t
Internal initilization time(
ON
OFF
Low level input
62 / 68
Clock Control and Operation Mode
)
)
VDDT2
t
)
IINIT
TXZ+ Family
TMPM4K Group(2)
DVDD5=DVDD5A=DVDD5B=AVDD5
DVDD5
CPU Operation
start
t
CPU operation wait time( )
CPUWT
OFF
Open
Single boot mode
2023-12-25
Rev. 3.0