UPD70F3737GC-UEU-AX Renesas Electronics America, UPD70F3737GC-UEU-AX Datasheet - Page 772
UPD70F3737GC-UEU-AX
Manufacturer Part Number
UPD70F3737GC-UEU-AX
Description
MCU 32BIT V850ES/JX3-L 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3737GC-UEU-AX.pdf
(861 pages)
Specifications of UPD70F3737GC-UEU-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Speed
20MHz
Number Of I /o
84
Core Processor
RISC
Program Memory Type
FLASH
Ram Size
8K x 8
Program Memory Size
128KB (128K x 8)
Data Converters
A/D 12x10b, D/A 2x8b
Oscillator Type
Internal
Peripherals
DMA, LVD, PWM, WDT
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3737GC-UEU-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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28.5.2 Features
772
(1) Secure self programming (boot swap function)
(2) Interrupt support
The V850ES/JG3-L supports 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-L, to use an interrupt during self-programming, processing transits to the
specific address
interrupt servicing at the specific address
Note NMI interrupt: Start address of internal RAM
Last block
Block 32
Block 31
Block 17
Block 16
Block 15
Block 1
Block 0
Maskable interrupt: Start address of internal RAM + 4 addresses
:
:
:
Note
in the internal RAM. Allocate the jump instruction that transits processing to the user
Figure 28-17. Rewriting Entire Memory Area (Boot Swap)
Rewriting blocks
16 to 31
Preliminary User’s Manual U18953EJ1V0UD
CHAPTER 28 FLASH MEMORY
Note
in the internal RAM.
Last block
Block 32
Block 31
Block 17
Block 16
Block 15
Block 1
Block 0
:
:
:
Boot swap
Last block
Block 32
Block 31
Block 17
Block 16
Block 15
Block 1
Block 0
:
:
:
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