DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 858
DF2328BVF25V
Manufacturer Part Number
DF2328BVF25V
Description
IC H8S MCU FLASH 256K 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.D12322RVF25V.pdf
(1304 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2328BVF25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 19 ROM
19.18.2 RAM Overlap
An example in which flash memory block area EB1 is overlapped is shown below.
Example in which Flash Memory Block Area EB1 is Overlapped
1. Set bits RAMS, RAM2, RAM1, and RAM0 in RAMER to 1, 0, 0, 1, to overlap part of RAM
2. Real-time programming is performed using the overlapping RAM.
3. After the program data has been confirmed, the RAMS bit is cleared, releasing RAM overlap.
4. The data written in the overlapping RAM is written into the flash memory space (EB1).
Notes: 1. When the RAMS bit is set to 1, program/erase protection is enabled for all blocks
Rev.6.00 Sep. 27, 2007 Page 826 of 1268
REJ09B0220-0600
onto the area (EB1) for which real-time programming is required.
regardless of the value of RAM2, RAM1, and RAM0 (emulation protection). In this
state, setting the P or E bit in flash memory control register 1 (FLMCR1) will not cause
a transition to program mode or erase mode. When actually programming a flash
memory area, the RAMS bit should be cleared to 0.
H'00000
H'01000
H'02000
H'03000
H'04000
H'05000
H'06000
H'07000
H'08000
H'3FFFF
Figure 19.45 Example of RAM Overlap Operation
Flash memory
EB8 to EB11
EB0
EB1
EB2
EB3
EB4
EB5
EB6
EB7
This area can be accessed
from both the RAM area
and flash memory area
On-chip RAM
H'FFDC00
H'FFEBFF
H'FFFBFF
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