DF2398TE20 Renesas Electronics America, DF2398TE20 Datasheet - Page 654
DF2398TE20
Manufacturer Part Number
DF2398TE20
Description
IC H8S MCU FLASH 256K 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2398TE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2398TE20
HD64F2398TE20
HD64F2398TE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2398TE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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19.15.5 Flash Memory Emulation in RAM
Reading Overlap RAM Data in User Mode and User Program Mode: Emulation should be performed in user mode or
user program mode. When the emulation block set in RAMER is accessed while the emulation function is being executed,
data written in the overlap RAM is read.
Writing Overlap RAM Data in User Program Mode: When overlap RAM data is confirmed, the RAMS bit is cleared,
RAM overlap is released, and writes should actually be performed to the flash memory.
When the programming control program is transferred to RAM, ensure that the transfer destination and the overlap RAM
do not overlap, as this will cause data in the overlap RAM to be rewritten.
Rev.6.00 Oct.28.2004 page 624 of 1016
REJ09B0138-0600H
Figure 19-40 Reading Overlap RAM Data in User Mode and User Program Mode
Figure 19-41 Writing Overlap RAM Data in User Program Mode
Application program
Application program
Programming data
Emulation block
Execution state
Flash memory
Flash memory
(emulation is performed
on data written in RAM)
Programming control
(programming data)
Execution state
Overlap RAM
Overlap RAM
program
RAM
RAM
SCI
SCI
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