Toshiba H1 Series Data Book page 627

3.25.3 Detailed Description of Timing
1. A maximum of 3 clocks (92 μs)
are needed for entering PCM.
CPU state transition
Normal
XT2
PMCCTL<PCM_ON>
PWE pin
INTRTC
INT0-7, INTKEY
Internal HOT_RESET
Port state
Internal HOT_RESET assert to dead circuit only. (DVCC1A &DVCC1C circuit)
1. If it is set PMCCTL<PCM_ON>="1", shift the Power Cut Mode, however, it spends
3-clock times maximum (around 92μS) to shift from normal mode to Power Cut Mode.
And the wake-up triggers during this 3-clock times, are ignored.
2. It spends 2.5-clock times maximum (around 77μS) from the trigger to wake-up to rise-up
the PWE terminal.
3. After wake-up from Power Cut Mode, reset to "0" the PMCCTL<PCM_ON> bit by soft
ware. If you want to shift Power Cut Mode again, need to wait 1-clock time minimum
(around 31μS).
4. The wake-up triggers during waking-up, are ignored.
5. After Warm-up count, and spend 1-clock time (around 31μS), release the DRV setting of
every ports. After that, spends 2-clock time (around 62μS), release internal RESET
(Hot_Reset).
2. A maximum of 2.5 clocks (77 μs)
are needed from interrupt request.
Power Cut Mode (PCM)
Interrupt enabled period
Drive register active period
1. This interrupt is
ignored.
92CZ26A-624
3. A minimum of 1 clock (31 μs) is
needed for entering PCM again.
Warm-up
4. These interrupts
are ignored.
TMP92CZ26A
3CLK Normal
5. The drive register setting is
released a maximum of 1 clocks
(31 μs) after the end of warm-up.