RX610 Group
26. ROM (Flash Memory for Code Storage)
R01UH0032EJ0120 Rev.1.20
Page 852 of 1006
Feb 20, 2013
ILGLERR, ERSERR, or PRGERR = 1
"1"
"0"
Error check
FRDY bit check
ILGLERR bit
check
Read FASTAT
Write 10h to FASTAT
FRESETR.FRESET = 1
writing
FRESETR.FRESET = 0
writing
Wait
(tRESW2)
*
Issue a status register
clear command
Write AA00h to
FENTRYR
Timeout
(tE128K)
*
10h
Yes
No
Yes
No
FCU
initialization
ILGLERR = 0
ERSERR = 0
PRGERR = 0
End
Start
Note:
*
tE128K: Erasure time for a 128-Kbyte erasure block (see section 29, Electrical Characteristics)
tRESW2: Reset pulse width during programming/erasure (see section 29, Electrical Characteristics)
"0"
"1"
Write 02h to FWEPROR
Read from FENTRYR
"0000h"
Yes
No
Figure 26.7 Procedure for Transition to ROM Read Mode
Summary of Contents for RX600 Series
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