Datasheet

Section 20 Flash Memory (0.18-μm F-ZTAT Version)
Rev.6.00 Mar. 18, 2009 Page 727 of 980
REJ09B0050-0600
Flash program and erase frequency control (FPEFEQ)
Flash vector address control register (FVACR)
There are several operating modes for accessing flash memory, for example, read mode/program
mode.
There are two memory MATs: user MAT and user boot MAT. The dedicated registers/parameters
are allocated for each operating mode and MAT selection. The correspondence of operating modes
and registers/parameters for use is shown in table 20.3.
Table 20.3 Register/Parameter and Target Mode
Download
Initiali-
zation
Program-
ming
Erasure
Read
FCCS
FPCS
FECS
FKEY
FMATS
*
1
*
1
*
2
Programming/erasing
interface register
FTDAR
Programming/erasing
interface parameter
DPFR
FPFR
FPEFEQ
FUBRA
FMPAR
FMPDR
FEBS
Notes: 1. The setting is required when programming or erasing user MAT in user boot mode.
2. The setting may be required according to the combination of initiation mode and read
target MAT.