Hello there,

Source code is

    max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
    tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8);

and

#define TU_SIZE_RECOMMENDED     (0x3f << 16) /* LSCLK cycles per TU */

So it looks to me like 44 bits are required. Suggest use type long ?

Regards

David Binderman
 

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