HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 588
HD64F7051SFJ20V
Manufacturer Part Number
HD64F7051SFJ20V
Description
MCU 5V 256K J-TEMP PB-FREE QFP-1
Manufacturer
Renesas Electronics America
Series
SuperH® SH7050r
Datasheet
1.HD64F7050SFJ20V.pdf
(843 pages)
Specifications of HD64F7051SFJ20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, WDT
Number Of I /o
102
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
168-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS
Quantity:
101
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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Section 18 ROM (128 kB Version)
Example in Which Flash Memory Block Area (EB4) is Overlapped
1. Set bits RAMS, RAM1, and RAM0 in RAMER to 1, 0, 1, to overlap part of RAM onto the
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 (EB4).
Notes: 1. When the RAMS bit is set to 1, program/erase protection is enabled for all blocks
Rev. 5.00 Jan 06, 2006 page 566 of 818
REJ09B0273-0500
area (EB4) for which real-time programming is required.
H'000000
H'01F000
H'01F400
H'01F800
H'01FC00
H'01FFFF
2. A RAM area cannot be erased by execution of software in accordance with the erase
regardless of the value of 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.
algorithm while flash memory emulation in RAM is being used.
Figure 18.11 Example of RAM Overlap Operation
Flash memory
EB0 to EB3
EB4
EB5
EB6
EB7
This area can be accessed
from both the RAM area
and flash memory area
On-chip RAM
H'FFFFE800
H'FFFFEBFF
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