R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 515

• 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 485 of 589
29.2
29.2.1
29.2.2
Notes:
After Reset
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
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 01F8h
Address 01FAh
selected).
11.8.4 Changing Interrupt Sources .
Symbol INT3COUT
Symbol INT3PL
Registers
INT0EN INT0 input enable bit
INT1EN INT1 input enable bit
INT3EN INT3 input enable bit
INT1COUT Comparator B1 monitor flag
INT3COUT Comparator B3 monitor flag
Symbol
INT0PL INT0 input polarity select bit
INT1PL INT1 input polarity select bit
INT3PL INT3 input polarity select bit
Bit
Bit
INT1CP0
INT3CP0
Symbol
Comparator B Control Register (INTCMP)
External Input Enable Register 0 (INTEN)
—
—
—
—
—
—
b7
b7
0
0
Reserved bits
Comparator B1 operation enable bit 0: Comparator B1 operation disabled
Reserved bits
Comparator B3 operation enable bit 0: Comparator B3 operation disabled
Reserved bits
INT3EN
b6
0
b6
—
0
Bit Name
Bit Name
b5
—
0
b5
—
0
(1, 2)
(1, 2)
(1, 2)
b4
—
0
INT3CP0 INT1COUT
b4
0
INT1PL
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
1: Comparator B1 operation enabled
Set to 0.
0: IVCMP1
1: IVCMP1
1: Comparator B3 operation enabled
Set to 0.
0: IVCMP3
1: IVCMP3
b3
0
or comparator B1 operation disabled
or comparator B3 operation disabled
b3
0
INT1EN
b2
<
>
<
>
0
IVREF1
IVREF1
IVREF3
IVREF3
b2
—
0
INT0PL
Function
Function
b1
0
INT0EN
b1
—
0
b0
0
INT1CP0
29. Comparator B
b0
0
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
R