R5F21256SNFP#U0 Renesas Electronics America, R5F21256SNFP#U0 Datasheet - Page 120
R5F21256SNFP#U0
Manufacturer Part Number
R5F21256SNFP#U0
Description
IC R8C MCU FLASH 32K 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21246SDFPU0.pdf
(61 pages)
3.R5F21246SDFPU0.pdf
(527 pages)
Specifications of R5F21256SNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
52-LQFP
For Use With
R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21256SNFP#U0R5F21256SNFP#ES
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
12. Interrupts
12.1
Figure 12.1
12.1.1
Interrupts
Figure 12.1 shows the Types of Interrupts.
NOTES:
1. Peripheral function interrupts in the MCU are used to generate peripheral interrupts.
2. Do not use this interrupt.
Interrupt Overview
• Maskable Interrupts:
• Non-Maskable Interrupts:
Feb 29, 2008
Types of Interrupts
Types of Interrupts
Software
Hardware
(non-maskable interrupts)
Page 101 of 485
This is for use with development tools only.
Special
(non-maskable interrupts)
Peripheral functions
(maskable interrupts)
The interrupt enable flag (I flag) enables or disables these interrupts. The
interrupt priority order can be changed based on the interrupt priority level.
The interrupt enable flag (I flag) does not enable or disable these interrupts.
The interrupt priority order cannot be changed based on interrupt priority
level.
(1)
Undefined instruction (UND instruction)
Overflow (INTO instruction)
BRK instruction
INT instruction
Watchdog timer
Oscillation stop detection
Voltage monitor 1
Voltage monitor 2
Single step
Address break
Address match
(2)
(2)
12. Interrupts
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