Datasheet

Section 24 Flash Memory

Rev. 2.00 Sep. 28, 2009 Page 758 of 994

REJ09B0452-0200

There are several operating modes for accessing the flash memory. Respective operating modes,

registers, and parameters are assigned to the user MAT. The correspondence between operating

modes and registers/parameters for use is shown in table 24.5.

Table 24.5 Registers/Parameters and Target Modes

Initiali-

zation

Program-

ming

Erasure Read

FCCS O ⎯ ⎯ ⎯ ⎯

FPCS O ⎯ ⎯ ⎯ ⎯

FECS O ⎯ ⎯ ⎯ ⎯

FKEY O ⎯ O O ⎯

FMATS ⎯ ⎯ O*

Programming/

erasing interface

registers

FTDAR O ⎯ ⎯ ⎯ ⎯

DPFR O ⎯ ⎯ ⎯ ⎯

FPFR ⎯ O O O ⎯

FPEFEQ ⎯ O ⎯ ⎯ ⎯

FMPAR ⎯ ⎯ O ⎯ ⎯

FMPDR ⎯ ⎯ O ⎯ ⎯

Programming/

erasing interface

parameters

FEBS ⎯ ⎯ ⎯ O ⎯

Notes: 1. Programming and erasure of the user MAT in user boot mode require settings.

2. A setting may be required depending on the combination of the startup mode and the

MAT to be read.