R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 403

• Manufacturer Part Number: R5F21258SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21258SNFP#U0

• Core Size: 16/32-Bit
• Program Memory Size: 64KB (64K x 8)
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• No. Of I/o's: 41
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 2.2V To 5.5V
• Embedded Interface Type: I2C, UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: YMCRPR8C25 - REF PLATFORM MOTOR CTRL R8C/25R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 18.1
interrupt request
Software trigger
Feb 29, 2008
Timer RD
AVSS
VREF
Block Diagram of A/D Converter
Page 384 of 485
ADCAP = 0
ADCAP = 1
P1_2/AN10
P1_3/AN11
CH0 to CH2, ADGSEL0, CKS0: Bits in ADCON0 register
CKS1, VCUT: Bits in ADCON1 register
P0_7/AN0
P0_6/AN1
P0_5/AN2
P0_4/AN3
P0_3/AN4
P0_2/AN5
P0_1/AN6
P0_0/AN7
P1_0/AN8
P1_1/AN9
VCUT = 1
VCUT = 0
fOCO-F
f1
Successive conversion register
Trigger
Resistor ladder
CH2 to CH0 = 100b
CH2 to CH0 = 101b
CH2 to CH0 = 110b
CH2 to CH0 = 111b
CH2 to CH0 = 000b
CH2 to CH0 = 001b
CH2 to CH0 = 010b
CH2 to CH0 = 011b
CH2 to CH0 = 100b
CH2 to CH0 = 101b
CH2 to CH0 = 110b
CH2 to CH0 = 111b
CKS0 = 1
CKS0 = 0
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
φAD