26HS01GTAM03 datasheet(86/166 Pages) INFINEON

86 / 166 page

Datasheet

86 of 166

002-12337 Rev. *Y

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

HYPERBUS™ interface, 1.8V/3.0V

Features

4.16

Power modes

4.16.1

Active power and standby power modes

The device is enabled and in the Active Power mode when Chip Select (CS#) is LOW. When CS# is HIGH, the device

is disabled, but may still be in an Active Power mode until all program, erase, and write operations have

completed. The device then goes into the Standby Power mode, and power consumption drops to ISB. See

Table 127 for parameter specifications.

4.16.2

Deep power down (DPD) mode

Although the standby current during normal operation is relatively low, standby current can be further reduced

with the DPD mode. The lower power consumption makes the DPD mode especially useful for battery powered

applications.

4.16.2.1

Enter DPD

The device can enter DPD mode in two ways:

1. Enter DPD Mode using Transaction

2. Enter DPD Mode upon Power-up or Reset

Enter DPD Mode using the Enter Deep Power Down Mode Transaction

The DPD mode is enabled by sending the Enter Deep Power Down Mode Transaction (ENDPD_0_0, ENTDPD_3_0).

After CS# is driven High, the power-down state will be entered within the time duration of tENTDPD (see Table 129

for timing specifications) and power consumption drops to IDPD.

DPD can only be entered from an idle state. The DPD transaction is accepted only while the device is not

performing an embedded algorithm as indicated by the Ready/Busy Status Flag (RDYBSY). It is not allowed to

send any transaction to device during tENTDPD time.

Enter DPD Mode upon Power-up or Reset

If the DPDPOR configuration bit is enabled, the device will be in DPD mode after the completion of Power-up,

Hardware Reset or CS# Signaling Reset. During POR or Reset the CS# should follow the voltage applied on VCC to

enter DPD mode as shown in Figure 45. It is not allowed to send any transaction to device during tENTDPD time.

Figure 45

Enter DPD mode upon power-up or reset

4.16.2.2

Exit DPD

Device leaves DPD mode in one of the following ways:

Exit DPD Mode upon Hardware Reset

When the device is in DPD and DPDPOR = 0, a Hardware reset will return the device to Standby mode.

Exit DPD Mode upon CS# Pulse

When the device is in DPD or DPDPOR = 1, a CS# pulse of width tCSDPD will bring the device out of DPD mode. The

CS# should be driven HIGH after the pulse. HIGH to LOW transition on CS# is required to start a transaction cycle

after the DPD exit. It takes tEXTDPD to come out of DPD mode. The device will not respond until after tEXTDPD.

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