R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 348

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 18.1
Sep 26, 2008
AVSS
VREF
Block Diagram of A/D Converter
P1_2/AN10
P1_3/AN11
CH0 to CH2, ADGSEL0, CKS0: Bits in ADCON0 register
CKS1, VCUT: Bits in ADCON1 register
P1_0/AN8
P1_1/AN9
VCUT = 1
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VCUT = 0
fOCO-F
f1
Successive conversion register
Resistor ladder
CH2 to CH0 = 100b
CH2 to CH0 = 101b
CH2 to CH0 = 110b
CH2 to CH0 = 111b
CKS0 = 0
CKS0 = 1
AD register
Data bus
f2
f4
A/D conversion rate selection
CKS0 = 1
CKS0 = 0
ADCON0
ADGSEL0 = 0
CKS1 = 1
CKS1 = 0
Decoder
ADGSEL0 = 1
Vcom
VIN
Comparator
18. A/D Converter
φ AD