RX610 Group
26. ROM (Flash Memory for Code Storage)
R01UH0032EJ0120 Rev.1.20
Page 858 of 1006
Feb 20, 2013
Write E9h to ROM
programming/erasure address in
byte access
Write 03h to ROM
programming/erasure address in
byte access
n = 1
n = n + 1
Write 0F0Fh data to ROM
programming/erasure address in
word access
n = 3?
Write D0h to ROM
programming/erasure address in
byte access
FRDY bit check
Timeout
tPCKA
*
1
FCU initialization
FRESETR.FRESET = 1
writing
ILGLERR bit check
Wait
(tRESW2)
*
2
FRESETR.FRESET = 0
writing
Notes: 1. tPCKA: 60 µs when PCLK = 50 MHz, 120 µs when PCLK = 25 MHz
2. tRESW2: Reset pulse width during programming/erasure (see section 29, Electrical Characteristics)
No
Yes
No
Yes
"0"
"1"
Set PCKAR to
frequency of peripheral clock (PCLK)
Start
End
Figure 26.13 Using the Peripheral Clock Notification Command