UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 993
UPD70F3453GC-8EA-A
Manufacturer Part Number
UPD70F3453GC-8EA-A
Description
MCU 32BIT 128KB FLASH 100LQFP
Manufacturer
Renesas Electronics America
Series
V850E/Ix3r
Datasheet
1.UPD70F3451GC-UBT-A.pdf
(1191 pages)
Specifications of UPD70F3453GC-8EA-A
Core Processor
RISC
Core Size
32-Bit
Speed
64MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
56
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, 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number:
UPD70F3453GC-8EA-A
Manufacturer:
Renesas Electronics America
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20.2.2 Restore
address of the restored PC.
Execution is restored from non-maskable interrupt servicing by the RETI instruction.
When the RETI instruction is executed, the CPU performs the following processing, and transfers control to the
<1> Loads the restored PC and PSW from FEPC and FEPSW because the PSW.EP bit is 0 and the PSW.NP bit
<2> Transfers control back to the address of the restored PC and PSW.
The following illustrates how the RETI instruction is processed.
Caution When the EP and NP bits are changed by the LDSR instruction during non-maskable
Remark
is 1.
interrupt servicing, in order to restore the PC and PSW correctly during restoring by the RETI
instruction, it is necessary to set EP back to 0 and NP back to 1 using the LDSR instruction
immediately before the RETI instruction.
The solid line shows the CPU processing flow.
CHAPTER 20 INTERRUPT/EXCEPTION PROCESSING FUNCTION
Figure 20-3. RETI Instruction Processing
User’s Manual U18279EJ3V0UD
991
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