ROHM Semiconductor - ROHM Co., Ltd.

ROHM FAQ

FAQ's

In the 206th to 213rd lines (shown below) of the startup file (ML620156.asm), the test area is padded with FFFFh. Why?
;---------------------------------------------------
; Filling the Test area at code memory (for ... )
;---------------------------------------------------
cseg #0 at 0fc00h
dw 0f0h DUP 0ffffh

cseg #0 at 0fde0h
dw 10h DUP 0ffffh ;
- 0FFFFh data are applicable to the BRK command with U8/U16 core.
  They are padded with 0FFFFh as the failsafe measure for program running out of control.
  Related Products: ML610(Q)40x, ML610(Q)42x, ML610(Q)47x, ML610(Q)48x, ML610Q10x, ML610Q11x, ML610Q17x, ML610Q30x, ML610Q35x, ML610Q36x, ML610Q38x, ML610Q41x, ML610Q43x, ML610Q46x, ML620Q13x, ML620Q15x, ML620Q416/ML620Q418, ML620Q503H/ML620Q504H/ML620Q506H, ML62Q12xx, ML62Q13xx, ML62Q14xx, ML62Q15xx/ML62Q18xx, ML62Q16xx, ML62Q17xx