R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 29

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#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: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K 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
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ03B0117-0300
Figure 5.1
Table 5.3
NOTES:
−
−
R
t
V
V
−
conv
ref
IA
ladder
Symbol
1. AV
2. When the analog input voltage is over the reference voltage, the A/D conversion result will be 3FFh in 10-bit mode and FFh in
8-bit mode.
Feb 29, 2008
CC
= 2.2 to 5.5 V at T
Resolution
Absolute
accuracy
Resistor ladder
Conversion time 10-bit mode
Reference voltage
Analog input voltage
A/D operating
clock frequency
Ports P0 to P4, P6 Timing Measurement Circuit
A/D Converter Characteristics
Page 27 of 51
opr
Parameter
10-bit mode
8-bit mode
10-bit mode
8-bit mode
10-bit mode
8-bit mode
8-bit mode
Without sample and hold
With sample and hold
Without sample and hold
With sample and hold
= -20 to 85°C (N version) / -40 to 85°C (D version), unless otherwise specified.
(2)
P0
P1
P2
P3
P4
P6
V
V
V
V
V
φ
φ
φ
φ
φ
φ
V
φ
φ
AD
AD
AD
AD
AD
AD
AD
AD
ref
ref
ref
ref
ref
ref
= AV
= AV
= AV
= AV
= AV
= 10 MHz, V
= 10 MHz, V
= 10 MHz, V
= 10 MHz, V
= 5 MHz, V
= 5 MHz, V
= AV
= 10 MHz, V
= 10 MHz, V
CC
CC
CC
CC
CC
CC
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.2 to 5.5 V
= 2.2 to 5.5 V
Conditions
ref
ref
ref
ref
ref
ref
ref
ref
30pF
= AV
= AV
= AV
= AV
= AV
= AV
= AV
= AV
CC
CC
CC
CC
CC
CC
CC
CC
= 2.2 V
= 2.2 V
= 5.0 V
= 5.0 V
= 3.3 V
= 3.3 V
= 5.0 V
= 5.0 V
Min.
0.25
0.25
3.3
2.8
2.2
10
5. Electrical Characteristics
−
−
−
−
−
−
−
0
1
1
Standard
Typ.
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
AV
AV
Max.
10
±3
±2
±5
±2
±5
±2
40
10
10
−
−
5
5
CC
CC
MHz
MHz
MHz
MHz
LSB
LSB
LSB
LSB
LSB
LSB
Unit
Bit
kΩ
µs
µs
V
V