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Cypress FM4 Series - Page 764

Cypress FM4 Series
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CHAPTER 14: External Bus Interface
764 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
Bus Access Modes and Functions Setups
Bus access modes and the functions setups are shown in Table 3-2.
Table 3-2 Bus Access Modes and Functions Setups (Products other than TYPE0)
Bus Access Mode
Clock output
External RDY
Page read
NAND Flash
Clock division
Separate bus mode
Multiplex mode
Not allowed
Not allowed
Bus Access Mode
SDRAM
Separate bus mode
Multiplex mode
Not allowed
Do not make a setup which uses page read and NAND Flash mode at the same time.
Do not make a setup which uses page read and external RDY at the same time.
Do not make a setup which uses NAND Flash mode and external RDY at the same time.
Do not output the clock in NAND Flash mode.
Note:
Number and functions of external bus interface pins used depend on the product used. See the
data sheets of products used for the details.

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