R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 449
![MCU 2KB FLASH 48K 52-LQFP](/photos/28/61/286101/52-lqfp_sml.jpg)
R5F21257SYFP#U0
Manufacturer Part Number
R5F21257SYFP#U0
Description
MCU 2KB FLASH 48K 52-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21257SYFP#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 ~ 105°C
Package / Case
52-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 20.1
Table 20.3
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 430 of 485
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 V
With sample and hold
Without sample and hold V
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
φ
φ
φ
φ
φ
φ
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
20. Electrical Characteristics
Min.
0.25
0.25
3.3
2.8
2.2
10
−
−
−
−
−
−
−
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
k Ω
µ s
µ s
V
V
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