DF2505FC26V Renesas Electronics America, DF2505FC26V Datasheet - Page 761
DF2505FC26V
Manufacturer Part Number
DF2505FC26V
Description
IC H8S/2505 MCU FLASH 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2505FC26V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
26MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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(f) After erasure completes, clear FKEY and specify software protection.
(4)
By changing the on-chip RAM address of the download destination in FTDAR, the erasing
program and programming program can be downloaded to separate on-chip RAM areas.
Figure 20.13 shows an example of repetitively executing RAM emulation, erasing, and
programming.
In the above example, the erasing program and programming program are downloaded to areas
excluding the 4 kbytes (H'FFD000 to H'FFDFFF) in the on-chip RAM. Download and
Figure 20.13 Sample Procedure of Repeating RAM Emulation, Erasing, and Programming
If this LSI is restarted by a power-on reset immediately after user MAT erasure has completed,
secure a reset period (period of RES = 0) of 100 μs or longer, which is longer than usual.
Erasing and Programming Procedure in User Program Mode
Download erasing program
Initialize erasing program
Start procedure program
Download programming
(Specify H'FFC000 as
Initialize programming
(Specify H'FFB000 as
download destination)
download destination)
Set FTDAR to H'03
Set FTDAR to H'02
program
program
1
(Overview)
Rev. 6.00 Sep. 24, 2009 Page 713 of 928
Set FMPDR to H'FFD000 to
(execute erasing program)
Cancel RAM emulation
End procedure program
(execute programming
program relevant block
Enter RAM emulation
mode and tune data
Erase relevant block
Confirm operation
in on-chip RAM
program)
Section 20 Flash Memory
End ?
mode
1
Yes
REJ09B0099-0600
No
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