ATXP032 datasheet(89/113 Pages) DIALOG

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ATXP032

DS-ATXP032–114I–4-2020

Figure 13-16. Hardware Reset Sequence from UDPD

13.11 Reset Summary

The following table summarizes the effects of the various reset functions:

13.12 Echo (AA)

The Echo command is used for testing the signal integrity and delays on I/O lines. It continues to return the same

data byte value as long as CS is held low and SCK is being clocked. This command is not supported in SPI mode.

In octal mode, the Echo command returns the same value on all lines continuously. To create alternating

waveforms in octal mode, use the Echo with Inversion command described in the following subsection.

RESET

ICC

High-impedance

Ultra-Deep Power-Down Mode Current

Active Current

Standby Mode Current

tHWRES

tRST

Table 13-3.

Effects of Reset Functions

Action

Volatile Registers

Non-Volatile

Registers (1)

Sector Protection

Registers

EPE bit

Power Cycle

Default state

Unchanged

Default state

(protected)

See

Table 12-4

JEDEC Standard Hardware Reset

(In-Band Reset) (2)

Default state

Unchanged

Default state

(protected)

See

Table 12-4

Hardware Reset (RESET pin)

(not in UDPD) (3)

Default state

Unchanged

See

Table 12-4

Exit Ultra-Deep Power-Down

(Power cycle, JEDEC Reset)

Default state

Unchanged

Default state

(protected)

See

Table 12-4

Terminate (F0h)

WEL and RDY/BUSY

bits in are cleared in

Status Register Byte 1

Unchanged

See

Table 12-4

Non-volatile registers are affected only by programming, not by any Reset sequences or power cycling.

JEDEC Reset simulates POR cycle

Hardware Reset (when not in UDPD) resets only volatile registers and internal state machines.

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