R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 105
R5F2121AJFP#U0
Manufacturer Part Number
R5F2121AJFP#U0
Description
MCU FLASH 96K 5K CMOS 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F2121AJFP#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
96KB (96K x 8)
Program Memory Type
FLASH
Ram Size
5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
12. Interrupts
12.1
Figure 12.1
12.1.1
Interrupt
NOTES:
Figure 12.1 shows the Interrupts.
Interrupt Overview
•
•
1. Peripheral function interrupts in the MCU are used to generate the peripheral interrupt.
2. Do not use this interrupt. This is for use with development tools only.
Maskable interrupt:
Non-maskable interrupt: The interrupt enable flag (I flag) does not enable or disable an interrupt. The
Types of Interrupts
Interrupts
Software
Hardware
(non-maskable interrupt)
Page 87 of 458
The interrupt enable flag (I flag) enables or disables these interrupt. The
interrupt priority order can be changed based on the interrupt priority level.
interrupt priority order based on interrupt priority level cannot be changed.
Special
(non-maskable interrupt)
Peripheral function
(maskable interrupt)
(1)
Undefined instruction (UND instruction)
Overflow (INTO instruction)
BRK instruction
INT instruction
Watchdog timer
Oscillation stop detection
Voltage monitor 2
Single step
Address break
Address match
(2)
(2)
12. Interrupts
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