R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 74

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#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: 15
• 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 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-LSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 45 of 573
6.2.6
Note:
After Reset
After Reset
1. The VW0C0 bit is enabled when the VCA25 bit in the VCA2 register is set to 1 (voltage detection 0 circuit
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0038h
Symbol
enabled). When writing to the VW0C0 bit, set a value after reset.
Set the PRC3 bit in the PRCR register to 1 (write enabled) before writing the VW0C register.
Bit
VW0C0 Voltage monitor 0 reset enable bit
Symbol
Voltage Monitor 0 Circuit Control Register (VW0C)
—
—
—
—
—
—
—
The above applies when the LVDAS bit in the OFS register is set to 1.
The above applies when the LVDAS bit in the OFS register is set to 0.
b7
—
1
1
Reserved bit
Reserved bit
Reserved bit
Reserved bits
Reserved bits
b6
—
1
1
Bit Name
b5
—
0
0
b4
—
0
0
(1)
b3
—
X
X
0: Disabled
1: Enabled
Set to 1.
Set to 0.
When read, the content is undefined.
Set to 0.
Set to 1.
b2
—
0
0
b1
—
1
1
Function
VW0C0
6. Voltage Detection Circuit
b0
0
1
R/W
R/W
R/W
R/W
R/W
R/W
R