UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 1288
UPD70F3771GF-GAT-AX
Manufacturer Part Number
UPD70F3771GF-GAT-AX
Description
MCU 32BIT V850ES/JX3-H 128-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Hr
Datasheet
1.UPD70F3760GC-UEU-AX.pdf
(1512 pages)
Specifications of UPD70F3771GF-GAT-AX
Core Processor
RISC
Core Size
32-Bit
Speed
48MHz
Connectivity
CAN, CSI, EBI/EMI, I²C, UART/USART, USB
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
40K 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:
UPD70F3771GF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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V850ES/JG3-H, V850ES/JH3-H
23.4.2 Restore
address.
R01UH0042EJ0400 Rev.4.00
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 23-10. RETI Instruction Processing
PSW.EP
PSW.NP
CHAPTER 23 INTERRUPT/EXCEPTION PROCESSING FUNCTION
0
0
EIPC
EIPSW
1
PC
PSW
FEPC
FEPSW
Page 1288 of 1509
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