SH7058 Datasheet, PDF (889/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

(2) Flash Program Code Select Register (FPCS)
FPCS selects the on-chip programming program to be downloaded.
Bit :
7
6
5
4
3
2
1
0
—
—
—
—
—
—
—
PPVS
Initial value :
0
0
0
0
0
0
0
0
R/W :
R
R
R
R
R
R
R
R/W
• Bits 7 to 1—Reserved: These bits are always read as 0. The write value should always be 0.
• Bit 0—Program Pulse Single (PPVS): Selects the programming program.
Bit 0
PPVS
Description
0
On-chip programming program is not selected
(Initial value)
[Clearing condition] When transfer is completed
1
On-chip programming program is selected
(3) Flash Erase Code Select Register (FECS)
FECS selects download of the on-chip erasing program.
Bit :
7
6
5
4
3
2
1
0
—
—
—
—
—
—
—
EPVB
Initial value :
0
0
0
0
0
0
0
0
R/W :
R
R
R
R
R
R
R
R/W
• Bits 7 to 1—Reserved: These bits are always read as 0. The write value should always be 0.
• Bit 0—Erase Pulse Verify Block (EPVB): Selects the erasing program.
Bit 0
EPVB
Description
0
On-chip erasing program is not selected
(Initial value)
[Clearing condition] When transfer is completed
1
On-chip erasing program is selected
(4) Flash Key Code Register (FKEY)
FKEY is a register for software protection that enables download of the on-chip program and
programming/erasing of flash memory. Before setting the SCO bit to 1 in order to download
the on-chip program or executing the downloaded programming/erasing program, these
processings cannot be executed if the key code is not written.
Rev. 3.0, 09/04, page 848 of 1086