HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 720
HD64F7144F50V
Manufacturer Part Number
HD64F7144F50V
Description
IC SUPERH MCU FLASH 256K 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Specifications of HD64F7144F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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19. Flash Memory (F-ZTAT Version)
19.7
A setting in the RAM emulation register (RAMER) enables part of RAM to overlap with the flash
memory area so that data to be written to flash memory can be emulated in RAM in real time.
Emulation can be performed in user mode or user program mode. Figure 19.7 shows an example
of emulation of real-time flash memory programming.
1. Set RAMER to overlap part of RAM with the area for which real-time programming is
2. Emulation is performed using the overlapped RAM.
3. After the program data has been confirmed, the RAMS bit is cleared, thus releasing the RAM
4. The data written in the overlapped RAM is written into the flash memory area.
Rev.4.00 Mar. 27, 2008 Page 674 of 882
REJ09B0108-0400
required.
overlap.
Flash Memory Emulation in RAM
Figure 19.7 Flowchart for Flash Memory Emulation in RAM
No
Execute application program
Start of emulation program
End of emulation program
Write to flash memory
Write tuning data to
overlapped RAM
emulation block
Clear RAMER
Set RAMER
Tuning OK?
Yes
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