UPD70F3768GF-GAT-AX Renesas Electronics America, UPD70F3768GF-GAT-AX Datasheet - Page 1296
UPD70F3768GF-GAT-AX
Manufacturer Part Number
UPD70F3768GF-GAT-AX
Description
MCU 32BIT V850ES/JX3-U 128-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Ur
Datasheet
1.UPD70F3763GC-UEU-AX.pdf
(1411 pages)
Specifications of UPD70F3768GF-GAT-AX
Core Processor
RISC
Core Size
32-Bit
Speed
48MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART, USB
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
96
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
2.85 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3768GF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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V850ES/JG3-U, V850ES/JH3-U
31.5.2 Features
R01UH0043EJ0300 Rev.3.00
Sep 30, 2010
(1) Secure self programming (boot swap function)
(2) Interrupt support
The V850ES/JG3-U and V850ES/JH3-U support a boot swap function that can exchange the physical memory of
blocks 0 to 15 with the physical memory of blocks 16 to 31. By writing the start program to be rewritten to blocks
16 to 31 in advance and then swapping the physical memory, the entire area can be safely rewritten even if a
power failure occurs during rewriting because the correct user program always exists in blocks 0 to 15.
Instructions cannot be fetched from the flash memory during self-programming. Consequently, a user handler
written to the flash memory could not be used even if an interrupt has occurred.
Therefore, in the V850ES/JG3-U and V850ES/JH3-U, to use an interrupt during self-programming, processing
transits to the specific address
user interrupt servicing at the specific address
Note NMI interrupt:
Last block
Block 32
Block 31
Block 17
Block 16
Block 15
Maskable interrupt: Start address of internal RAM + 4 addresses
Block 1
Block 0
:
:
:
Figure 31-17. Rewriting Entire Memory Area (Boot Swap)
Rewriting blocks
Start address of internal RAM
16 to 31
Note
in the internal RAM. Allocate the jump instruction that transits processing to the
Note
Last block
in the internal RAM.
Block 32
Block 31
Block 17
Block 16
Block 15
Block 1
Block 0
:
:
:
Boot swap
CHAPTER 31 FLASH MEMORY
Last block
Block 32
Block 31
Block 17
Block 16
Block 15
Block 1
Block 0
:
:
:
Page 1296 of 1408
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