R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 71

• 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 41 of 589
6.2
6.2.1
Notes:
After Reset
1. When the VW1C0 bit in the VW1C register is set to 1 (enabled), do not set bits IRQ1SEL and COMPSEL
2. When the VW2C0 bit in the VW2C register is set to 1 (enabled), do not set bits IRQ2SEL and COMPSEL
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0030h
simultaneously (with one instruction).
simultaneously (with one instruction).
Symbol COMPSEL
Registers
COMPSEL Voltage monitor interrupt type
IRQ1SEL
IRQ2SEL
Bit
Symbol
Voltage Monitor Circuit Control Register (CMPA)
—
—
—
—
—
b7
0
Reserved bits
Voltage monitor 1 interrupt type
select bit
Voltage monitor 2 interrupt type
select bit
Reserved bit
selection enable bit
b6
—
0
(1)
(2)
Bit Name
IRQ2SEL
(1, 2)
b5
0
IRQ1SEL
b4
0
Set to 0.
0: Non-maskable interrupt
1: Maskable interrupt
0: Non-maskable interrupt
1: Maskable interrupt
Set to 0.
0: Bits IRQ1SEL and IRQ2SEL disabled
1: Bits IRQ1SEL and IRQ2SEL enabled
b3
—
0
Function
b2
—
0
6. Voltage Detection Circuit
b1
—
0
b0
—
0
R/W
R/W
R/W
R/W
R/W
R/W