UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 1010
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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Company:
Part Number:
UPD70F3453GC-8EA-A
Manufacturer:
Renesas Electronics America
Quantity:
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20.3.6 In-service priority register (ISPR)
request signal is acknowledged, the bit of this register corresponding to the priority level of that interrupt signal request
is set to 1 and remains set while the interrupt is serviced.
priority is automatically cleared to 0 by hardware. However, it is not cleared to 0 when execution is returned from non-
maskable interrupt servicing or exception processing.
1008
The ISPR register holds the priority level of the maskable interrupt currently acknowledged. When an interrupt
When the RETI instruction is executed, the bit corresponding to the interrupt request signal having the highest
This register is read-only, in 8-bit or 1-bit units.
Reset sets this register to 00H.
Caution In the interrupt enabled (EI) state, if an interrupt is acknowledged during the reading of the ISPR
Remark
register, the value of the ISPR register may be read after the bit is set (1) by this interrupt
acknowledgment.
acknowledgment, read it in the interrupt disabled (DI) state.
n: 0 to 7 (priority level)
After reset: 00H
ISPR
ISPRn
ISPR7
CHAPTER 20 INTERRUPT/EXCEPTION PROCESSING FUNCTION
< >
0
1
Interrupt request signal with priority n is not acknowledged
Interrupt request signal with priority n is being acknowledged
R
ISPR6
To read the value of the ISPR register properly before interrupt
< >
Address: FFFFF1FAH
ISPR5
Priority of interrupt currently being acknowledged
User’s Manual U18279EJ3V0UD
< >
ISPR4
< >
ISPR3
< >
ISPR2
< >
ISPR1
< >
ISPR0
< >
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