UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 1097

• Manufacturer Part Number: UPD70F3451GC-UBT-A
• Description: MCU 32BIT 128KB FLASH 80LQFP
• Manufacturer: Renesas Electronics America
• Series: V850E/Ix3r

Specifications of UPD70F3451GC-UBT-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 10x12b, 4x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

27.9.2 Features
(1) Flash memory self programming
3FFFFH
00000H
Flash memory self programming is used to erase or write the flash memory by calling the flash function from a
program stored in an area other than the flash memory area to be erased or written. To store the program that
implements self programming in the area to be erased or written, copy the program to the internal RAM area,
execute the program at the copy destination, and call the flash function.
To call the flash function, change the mode from the normal operation mode to the self programming mode by
using the flash programming mode control register.
(a) Boot swap cluster
(b) Boot block cluster
Normal operation mode
The contents of the boot swap cluster of the lower address side (00000H to 0FFFFH) and the boot swap
cluster of the higher address side (10000H to 1FFFFH) can be interchanged while flash memory
programming is performed.
By specifying the boot block cluster from 00000H in 2 KB units, the contents of the boot block cluster can
be protected from rewriting.
Flash memory
256 KB
FLMD0 pin high level input
Boot program
(self program,
communication driver,
etc.)
Figure 27-3. Self Programming
CHAPTER 27 FLASH MEMORY
User’s Manual U18279EJ3V0UD
3 F F F F H
1 F F F F H
1 0 0 0 0 H
0 F F F F H
0 0 7 F F H
0 0 0 0 0 H
Block 127 (2 KB)
Block 32 (2 KB)
Block 31 (2 KB)
Block 64 (2 KB)
Block 63 (2 KB)
Flash memory
Block 0 (2 KB)
Self programming mode
:
:
:
Boot block
cluster
Boot
swap
cluster
(64 KB)
Boot
swap
cluster
(64 KB)
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