YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 944
YLCDRSK2378
Manufacturer Part Number
YLCDRSK2378
Description
KIT DEV EVAL H8S/2378 LCD
Manufacturer
Renesas Electronics America
Series
H8®r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of YLCDRSK2378
Main Purpose
Displays, LCD Controller
Embedded
Yes, MCU, 16-Bit
Utilized Ic / Part
YLCDRSK2378
Primary Attributes
5.7" QVGA, Touch Screen
Secondary Attributes
Source Code on CD, Debugging Requires Emulator Cable E10A USB/JTAG
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 944 of 1208
- Download datasheet (8Mb)
Section 21 Flash Memory (0.18-μm F-ZTAT Version)
• Flash Key Code Register (FKEY)
Bit
7
6
5
4
3
2
1
0
Rev.7.00 Mar. 18, 2009 page 876 of 1136
REJ09B0109-0700
FKEY is a register for software protection that enables download of on-chip program and
programming/erasing of flash memory. Before setting the SCO bit to 1 in order to download
on-chip program or executing the downloaded programming/erasing program, these processing
cannot be executed if the key code is not written.
Bit
Name
K7
K6
K5
K4
K3
K2
K1
K0
Initial
Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Key Code
Only when H'A5 is written, writing to the SCO bit is valid.
When the value other than H'A5 is written to FKEY, 1
cannot be written to the SCO bit. Therefore downloading
to the on-chip RAM cannot be executed.
Only when H'5A is written, programming/erasing can be
executed. Even if the on-chip programming/erasing
program is executed, the flash memory cannot be
programmed or erased when the value other than H'5A
is written to FKEY.
H'A5: Writing to the SCO bit is enabled (The SCO bit
H'5A: Programming/erasing is enabled (The value other
H'00: Initial value
cannot be set by the value other than H'A5.)
than H'A5 is in software protection state.)
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