R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 168

• Manufacturer Part Number: R5F21334CNFP#U0
• Description: MCU 1KB FLASH 16K ROM 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/33Cr

Specifications of R5F21334CNFP#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: 27
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K 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: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 138 of 589
11.2.2
Note:
After Reset
1. Selectable by the IICSEL bit in the SSUIICSR register.
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0041h (FMRDYIC), 0047h (TRCIC), 004Fh (SSUIC/IICIC
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
Interrupt Control Register (FMRDYIC, TRCIC, SSUIC/IICIC)
IR
—
—
—
—
b7
—
X
Interrupt priority level select bit
Interrupt request bit
Nothing is assigned. If necessary, set to 0.
When read, the content is undefined.
b6
—
X
Bit Name
b5
—
X
b4
—
X
b2 b1 b0
0: No interrupt requested
1: Interrupt requested
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
(1)
0
)
Function
ILVL1
b1
0
ILVL0
b0
0
11. Interrupts
R/W
R/W
R/W
R/W
—
R