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MX93032

APPLICATION NOTE [M1 VERSION]

Macronix International 

MX93032

Decision Rules between MCU mode and DSP Mode:

1. The contents located on 0xE000 and 0xE001 are 0x1234 and 0x5678, It will be considered as external DSP mode.

This configuration is used for developing customer’s control codes on MXIC’s MX93032-M1 IC with standard

code.

2. The contents located on 0x680E and 0x680F are 0x5678 and 0xA988, it will be considered as MCU mode. This is

the only one configuration for MCU mode under developing and mass production.

3. Either the content located on 0x680E and not 0x5678 or that located on 0x680F are not 0xA988, it will be consid-

ered as DSP mode. The configuration is used for mass production for DSP mode adopted.

4. The decision priority depends on the items order. That is, the item labeled with smaller number has higher priority.

CONTROL CODE CONFIGURATION (DSP MODE)

There are two configurations for customer development or production.

Configuration 1 :

In this configuration, the BIOS+ALGORITHM and control codes are all running in the external high-speed EPROMs

or SRAMs. The MX93032-M1 pin 97 (EROM) must be set to high.

External high-speed EPROMs or SRAMs

0000H

26K words

BIOS+ALGORITHM c

(address 0000H - 67F

6800H

7F FFH

6K words

control code

(address 6800H - 7F

This configuration is mainly used in the development stage and the access time of high-speed EPROMs or SRAMs

must be less than 30ns.

P/N:PM0689

REV. 1.0.3, DEC. 13, 1999

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