R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 178

• 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 148 of 589
11.4.3
Notes:
11.4.4
After Reset
1. To set the INTiPL bit (i = 0, 1, 3) to 1 (both edges), set the POL bit in the INTiIC register to 0 (falling edge
2. The IR bit in the INTiIC register may be set to 1 (interrupt requested) if the INTEN register is rewritten. Refer to
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 01FAh
Address 01FCh
selected).
11.8.4 Changing Interrupt Sources.
Symbol INT3PL
Symbol INT3F1
INT0EN INT0 input enable bit
INT1EN INT1 input enable bit
INT3EN INT3 input enable bit
Symbol
INT0PL INT0 input polarity select bit
INT1PL INT1 input polarity select bit
INT3PL INT3 input polarity select bit
Symbol
INT0F0 INT0 input filter select bit
INT0F1
INT1F0 INT1 input filter select bit
INT1F1
INT3F0 INT3 input filter select bit
INT3F1
Bit
Bit
External Input Enable Register 0 (INTEN)
INT Input Filter Select Register 0 (INTF)
—
—
—
—
b7
b7
0
0
Reserved bits
Reserved bits
INT3EN
INT3F0
b6
b6
0
0
Bit Name
Bit Name
b5
—
b5
—
0
0
(1, 2)
(1, 2)
(1, 2)
b4
b4
—
—
0
0
INT1PL
INT1F1
0: Disabled
1: Enabled
0: One edge
1: Both edges
0: Disabled
1: Enabled
0: One edge
1: Both edges
Set to 0.
0: Disabled
1: Enabled
0: One edge
1: Both edges
b1 b0
b3 b2
Set to 0.
b7 b6
0 0: No filter
0 1: Filter with f1 sampling
1 0: Filter with f8 sampling
1 1: Filter with f32 sampling
0 0: No filter
0 1: Filter with f1 sampling
1 0: Filter with f8 sampling
1 1: Filter with f32 sampling
0 0: No filter
0 1: Filter with f1 sampling
1 0: Filter with f8 sampling
1 1: Filter with f32 sampling
b3
b3
0
0
INT1EN
INT1F0
b2
b2
0
0
INT0PL
INT0F1
Function
Function
b1
b1
0
0
INT0EN
INT0F0
b0
b0
0
0
11. Interrupts
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W