DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 798
DF2238RTF6
Manufacturer Part Number
DF2238RTF6
Description
MCU 2.2/3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of DF2238RTF6
Core Processor
H8S/2000
Core Size
16-Bit
Speed
6MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2238RTF6
HD64F2238RTF6
HD64F2238RTF6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 20 Flash Memory (F-ZTAT Version)
1. Set RAMER to overlap part of RAM onto the area for which real-time programming is
2. Emulation is performed using the overlapping RAM.
3. After the program data has been confirmed, the RAMS bit is cleared, thus releasing the RAM
4.
An example in which flash memory block area EB1 is overlapped is shown in figure 20.10.
1. The RAM area to be overlapped is fixed at a 4-kbyte area in the range H'FFD000 to H'FFDFFF
2. The flash memory area to be overlapped is selected by RAMER from a 4-kbyte area of the
3. The overlapped RAM area can be accessed from both the flash memory addresses and RAM
Rev. 6.00 Mar. 18, 2010 Page 736 of 982
REJ09B0054-0600
required.
overlap.
in the 384-kbyte or 256-kbyte flash memory . The RAM area to be overlapped is fixed at a 1-
kbyte area in the range H'FFD000 to H'FFD3FF in the 128-kbyte flash memory.
EB0 to EB7 blocks.
addresses.
The data written in the overlapping RAM is written into the flash memory space.
Figure 20.9 Flowchart for Flash Memory Emulation in RAM
No
Execute application program
Write tuning data to overlap
Start of emulation program
End of emulation program
Write to flash memory
emulation block
Clear RAMER
Set RAMER
Tuning OK?
RAM
Yes
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