R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 181

• 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 151 of 589
11.5.1
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 01FEh
The IR bit in the KUPIC register may be set to 1 (interrupt requested) when the KIEN register is rewritten.
Refer to 11.8.4 Changing Interrupt Sources.
Symbol
Symbol
KI0EN
KI1EN
KI2EN
KI3EN
Bit
KI0PL
KI1PL
KI2PL
KI3PL
Key Input Enable Register 0 (KIEN)
KI3PL
b7
0
KI0 input enable bit
KI0 input polarity select bit
KI1 input enable bit
KI1 input polarity select bit
KI2 input enable bit
KI2 input polarity select bit
KI3 input enable bit
KI3 input polarity select bit
KI3EN
b6
0
Bit Name
KI2PL
b5
0
KI2EN
b4
0
0: Disabled
1: Enabled
0: Falling edge
1: Rising edge
0: Disabled
1: Enabled
0: Falling edge
1: Rising edge
0: Disabled
1: Enabled
0: Falling edge
1: Rising edge
0: Disabled
1: Enabled
0: Falling edge
1: Rising edge
KI1PL
b3
0
KI1EN
b2
0
Function
KI0PL
b1
0
KI0EN
b0
0
11. Interrupts
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W