UPD70F3739GC-UEU-AX Renesas Electronics America, UPD70F3739GC-UEU-AX Datasheet - Page 674
UPD70F3739GC-UEU-AX
Manufacturer Part Number
UPD70F3739GC-UEU-AX
Description
MCU 32BIT V850ES/JX3 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3r
Datasheet
1.UPD70F3739GC-UEU-AX.pdf
(889 pages)
Specifications of UPD70F3739GC-UEU-AX
Core Processor
RISC
Core Size
32-Bit
Speed
32MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
84
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K 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:
UPD70F3739GC-UEU-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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- Download datasheet (11Mb)
V850ES/JG3
19.4.2 Restore
address.
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
Restoration from software exception processing is carried out by the RETI instruction.
By executing the RETI instruction, the CPU carries out the following processing and shifts control to the restored PC’s
<1> Loads the restored PC and PSW from EIPC and EIPSW because the PSW.EP bit is 1.
<2> Transfers control to the address of the restored PC and PSW.
The processing of the RETI instruction is shown below.
Caution When the EP and NP bits are changed by the LDSR instruction during the software exception
Remark
processing, in order to restore the PC and PSW correctly during recovery by the RETI
instruction, it is necessary to set the EP bit back to 1 and the NP bit back to 0 using the LDSR
instruction immediately before the RETI instruction.
The solid line shows the CPU processing flow.
1
Original processing restored
PC
PSW
RETI instruction
Figure 19-10. RETI Instruction Processing
PSW.EP
PSW.NP
CHAPTER 19 INTERRUPT/EXCEPTION PROCESSING FUNCTION
0
0
EIPC
EIPSW
1
PC
PSW
FEPC
FEPSW
Page 658 of 870
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