R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 43

• Manufacturer Part Number: R5F2121AJFP#U0
• Description: MCU FLASH 96K 5K CMOS 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F2121AJFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 5.5
Figure 5.6
Example of Hardware Reset Circuit and Operation
Detection Circuit) and Operation
Example of Hardware Reset Circuit (Usage Example of External Supply Voltage
RESET
Page 25 of 458
VCC
RESET
NOTE:
NOTE:
1. Refer to 20. Electrical Characteristics.
VCC
1. Refer to 20. Electrical Characteristics.
Example when
VCC = 5 V
Power supply
voltage detection
circuit
RESET
VCC
0 V
0 V
RESET
VCC
5 V
0 V
5 V
0 V
td(P-R) + 10 µs or more
2.7 V
td(P-R) + 10 µs or more
2.7 V
0.2 VCC or below
5. Resets