DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 829

• Manufacturer Part Number: DF2328BVF25V
• Description: IC H8S MCU FLASH 256K 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2328BVF25V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• 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): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• For Use With: EDK2329 - DEV EVALUATION KIT H8S/2329
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: HD64F2328BVF25V

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.
19.13.6 Differences between Boot Mode and User Program Mode
Table 19.25 Differnces between Boot Mode and User Program Mode
Entire memory erase
Block erase
Programming control program *
Note: * To be provided by the user, in accordance with the recommended algorithm.
Figure 19.34 Writing Overlap RAM Data in User Program Mode
Application program
Programming data
Flash memory
Boot Mode
Yes
No
Program/program-verify
Rev.6.00 Sep. 27, 2007 Page 797 of 1268
Programming control
(programming data)
Execution state
User Program Mode
Yes
Erase/erase-verify/program/
program-verify/emulation
Yes
Overlap RAM
program
RAM
SCI
REJ09B0220-0600
Section 19 ROM