R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 484

• Manufacturer Part Number: R5F21324ANSP#U1
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Ar

Specifications of R5F21324ANSP#U1

• 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: -

Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 454 of 583
Figure 27.5
Figure 27.6
Note:
Note:
1. The conversion result for an open circuit varies with external circuits. Careful evaluation should be
1. The conversion result for an open circuit varies with external circuits. Careful evaluation should be
performed before using this function.
Open
Open
performed before using this function.
Selected)
Selected)
Preliminary specification
Specifications in this manual are tentative and subject to change.
A/D Open-Circuit Detection Example on AVCC Side (Precharge before Conversion
A/D Open-Circuit Detection Example on AVSS Side (Discharge before Conversion
External circuit
External circuit
example
example
R
R
Nov 05, 2008
(1)
(1)
C
C
Analog input
Analog input
i = 8 to 11
i = 8 to 11
ANi
ANi
ADDDAEN
ADDDAEN
Precharge
Discharge
Chopper amp
Chopper amp
OFF
OFF
capacitor
capacitor
ON
ON
control signal
control signal
control signal
control signal
Precharge
Precharge
Discharge
Discharge
27. A/D Converter