R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 389

• 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
18.4
Figure 18.9
Figure 18.9 shows the A/D Conversion Cycles.
Without Sample & Hold
Without Sample & Hold
With Sample & Hold
With Sample & Hold
A/D Conversion Cycles
A/D Conversion Mode
A/D Conversion Cycles
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10 bits
10 bits
8 bits
8 bits
Conversion
49φAD
59φAD
28φAD
33φAD
Time
Conversion time at the 1st bit
Sampling
4φAD
4φAD
4φAD
4φAD
Time
Comparison
2.0φAD
2.0φAD
2.5φAD
2.5φAD
Time
Conversion time at the 2nd
Sampling
0.0φAD
0.0φAD
2.5φAD
2.5φAD
Time
bit and the follows
Comparison
2.5φAD
2.5φAD
2.5φAD
2.5φAD
Time
18. A/D Converter
End process
End process
8.0φAD
8.0φAD
4.0φAD
4.0φAD