R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 189
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 156 of 723
11.2.3
Notes:
After Reset
1. Only 0 can be written to the IR bit. (Do not write 1 to this bit.)
2. If the INTiPL bit in the INTEN register is set to 1 (both edges), set the POL bit to 0 (falling edge selected).
3. The IR bit may be set to 1 (interrupt requested) when the POL bit is rewritten. Refer to 11.8.4 Changing
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0046h (INT4IC), 0055h (INT2IC), 0059h (INT1IC), 005Ah (INT3IC),
Interrupt Sources.
Rewrite the interrupt control register when an interrupt request corresponding to the register is not generated.
Refer to 11.8.5 Rewriting Interrupt Control Register.
Symbol
Symbol
Bit
ILVL0
ILVL1
ILVL2
POL
INTi Interrupt Control Register (INTiIC) (i = 0 to 4)
IR
—
—
—
005Dh (INT0IC)
b7
—
X
Interrupt priority level select bit
Interrupt request bit
Polarity switch bit
Reserved bit
Nothing is assigned. If necessary, set to 0.
When read, the content is undefined.
b6
—
X
Bit Name
(3)
b5
—
0
POL
b4
0
b2 b1 b0
0: No interrupt requested
1: Interrupt requested
0: Falling edge selected
1: Rising edge selected
Set to 0.
0 0 0: Level 0 (interrupt disabled)
0 0 1: Level 1
0 1 0: Level 2
0 1 1: Level 3
1 0 0: Level 4
1 0 1: Level 5
1 1 0: Level 6
1 1 1: Level 7
b3
IR
X
ILVL2
b2
0
Function
(2)
ILVL1
b1
0
ILVL0
b0
0
11. Interrupts
R/W
R/W
R/W
R/W
R/W
R/W
R/W
(1)
—
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