p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 506

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Flash Memory (0.18-µm F-ZTAT Version)
Table 19.3 Register/Parameter and Target Mode
Notes: 1. The setting is required when programming or erasing the user MAT in user boot mode.
19.3.1
The programming/erasing interface registers are all 8-bit registers that can be accessed in bytes.
These registers are initialized at a reset or in hardware standby mode.
• Flash Code Control Status Register (FCCS)
Rev. 1.00 Sep. 21, 2006 Page 468 of 658
REJ09B0310-0100
Programming/
erasing interface
registers
Programming/
erasing interface
parameters
Bit
7
6
5
FCCS requests monitoring error occurrence during programming or erasing flash memory, and
the download of an on-chip program.
2. The setting may be required according to the combination of initiation mode and read
Bit Name
FWE


Programming/Erasing Interface Registers
target MAT.
FCCS
FPCS
FECS
FKEY
FMATS
FTDAR
DPFR
FPFR
FPEFEQ
FMPAR
FMPDR
FEBS
Initial
Value
1
0
0
Download Initialization
Ο
Ο
Ο
Ο

Ο
Ο





R/W
R
R/W
R/W
Description
Flash Write Enable
This bit is always read as 1 and cannot be modified.
Reserved
The initial value should not be changed.







Ο
Ο



Programming



Ο
Ο*


Ο

Ο
Ο

1
Erasure



Ο
Ο*


Ο



Ο
1
Read




Ο*







2