R5F21217JFP#U0 Renesas Electronics America, R5F21217JFP#U0 Datasheet - Page 127
R5F21217JFP#U0
Manufacturer Part Number
R5F21217JFP#U0
Description
IC R8C/20 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F21217JFP#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
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K 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
For Use With
R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21217JFP#U0R5F21217JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21217JFP#U0R5F21217JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
135
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Controlling an interrupt with the I flag, IR bit, ILVL0 to ILVL2 bits and IPL by Timer RD (channel 0), Timer RD
(channel 1), clock synchronous serial I/O with chip select and I
maskable interrupts. However, since an interrupt source is generated based on multiple interrupt request sources,
there are the following differences from other maskable interrupts:
Refer to chapters of each peripheral function (14.3 Timer RD, 16.2 Clock Synchronous Serial I/O with Chip
Select (SSU) and 16.3 I
Refer to 12.1.6 Interrupt Control for the interrupt control register.
•
•
•
•
•
When bits in the enable register corresponding to set bits in the status register to 1 are set to 1 (enable
interrupt), the IR bit in the interrupt control register is set to 1 (interrupt requested).
When either bits in the status register or bits in the enable register corresponding to bits in the status register, or
both of them are set to 0, the IR bit is set to 0 (interrupt not requested). Basically, even though the interrupt is
not acknowledged after the IR bit is set to 1, the interrupt request will not be maintained. Also, the IR bit is not
set to 0 although 0 is written to the IR bit.
Since each bit in the status register is not automatically set to 0 even if the interrupt is acknowledged.
Therefore, the IR bit is not also automatically set to 0 when the interrupt is acknowledged. Set each bit in the
status register to 0 in the interrupt routine. Refer to the status register figure how to set each bit in the status
register to 0.
When multiple bits in the enable register are set to 1 and other request sources are generated after the IR bit is
set to 1, the IR bit remains 1.
When multiple bits in the enable register are set to 1, determine by the status register which request source
causes an interrupt.
Page 109 of 458
2
C Bus Interface) for the status register and enable register.
2
C bus interface is the same as that by other
12. Interrupts
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