ML22Q533 datasheet(171/178 Pages) ROHM

171 / 178 page

FEDL22Q53X-02

ML22Q53X

■ Speech LSI Utility Setting Items

Set the following items on the Speech LSI Utility.

Item

Description

Protection code for flash memory

access

Set any 8-bit data.

・0x69: Flash memory cannot be accessed by the

FDIRECT command.

・Other than 0x69: Accessing the flash memory is

enabled when the protection unlock data entered by the

FDIRECT command matches the data.

Master clock selection

Select master clock(Source clock oscillation).

・RC (RC oscillation)

・Xtal (Crystal or ceramic resonator)

Master clock frequency

Set the master clock frequency to FOSC.

・4.096 : 4.096MHz setting

・4.000 : 4.000MHz setting

Number of phrases used

Select the number of phrases from the following.

・4096

・3072

・2048

・1024

Sound ROM information

Set any 8-bit data.

Read by RDVER command.

Class D amplifier output format

Output format selection.

・Half-wave mode

Full wave mode is not supported.

WDT counter, RST counter

WDTERR or RSTERR

processing at overflow

Select the processing to be performed when an overflow

occurs.

・Hold current state

・Transition to the state after PUP command input

WDT counter, RST counter

WDTERR or RSTERR

overflow time

Select the overflow time from the following.

・125ms

・500ms

・2s

・4s

Refer to the Speech LSI Utility User's Manual for more information.

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