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Nand Flash read speed issue on TMS320C8168

Kwan
Intellectual 510 points

Good day, there's some nand flash read speed issue on TMS320C8168 (working on TMDXEVM8168)

This is regarding nand read speed issue on EVM8168. I captured both original and modified wave form.

1)      the original source code in mem.h #define M_NAND_GPMC_CONFIG  0x00151e1e

 

2)      after my modification #define M_NAND_GPMC_CONFIG  0x000a1e0e

 

 

From wave form we can see the read cycle time doesn’t change so much. Could you tell us except this register whether other settings we can change to accelerate the nand read speed?

 Also, I appreciate if you could provide the I2C contorller base address and nand read diagram because i can't find in the datasheet

Regards,

Kwan