BQ34Z100

Hi,

I try to access data flash in the following

unseal command

1: Wr 0x00 0x14 0x04

2: Wr 0x00 0x72 0x36

looks ok

write DataFlashClass

3: Wr 0x3E 0x40

I got an error 

is there anything that i miss here?

the [SS] is clear and [FAS] is set

Thanks