UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 1017
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
-
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UPD70F3453GC-8EA-A
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20.5 Software Exception
acknowledged.
20.5.1 Operation
routine.
becomes 00000040H, and if the vector is 10H to 1FH, it becomes 00000050H.
A software exception is generated when the CPU executes the TRAP instruction, and can always be
If a software exception occurs, the CPU performs the following processing, and transfers control to the handler
<1> Saves the restored PC to EIPC.
<2> Saves the current PSW to EIPSW.
<3> Writes an exception code to the lower 16 bits (EICC) of ECR (interrupt source).
<4> Sets the PSW.EP and PSW.ID bits (1).
<5> Sets the handler address (00000040H or 00000050H) corresponding to the software exception to the PC,
The processing of a software exception is shown below.
The handler address is determined by the TRAP instruction’s operand (vector). If the vector is 00H to 0FH, it
Note TRAP instruction format: TRAP vector (the vector is a value from 00H to 1FH.)
and transfers control.
CHAPTER 20 INTERRUPT/EXCEPTION PROCESSING FUNCTION
CPU processing
Figure 20-8. Software Exception Processing
User’s Manual U18279EJ3V0UD
EIPC
EIPSW
ECR.EICC
PSW.EP
PSW.ID
PC
Exception processing
TRAP instruction
Restored PC
PSW
Exception code
1
1
Handler address
Note
1015
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