R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 452
![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 20.2
Table 20.6
NOTES:
Table 20.7
NOTES:
Table 20.8
NOTES:
V
−
t
Vccmin
V
−
−
t
V
−
−
t
d(E-A)
d(E-A)
d(E-A)
(maskable interrupt request)
det0
det1
det2
Symbol
Symbol
Symbol
1. The measurement condition is V
2. Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA25 bit in the VCA2
1. The measurement condition is V
2. Time until the voltage monitor 1 interrupt request is generated after the voltage passes V
3. Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA26 bit in the VCA2
1. The measurement condition is V
2. Time until the voltage monitor 2 interrupt request is generated after the voltage passes V
3. Necessary time until the voltage detection circuit operates after setting to 1 again after setting the VCA27 bit in the VCA2
register to 0.
register to 0.
register to 0.
Feb 29, 2008
Voltage detection level
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts
MCU operating voltage minimum value
Voltage detection level
Voltage monitor 1 interrupt request generation time
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts
Voltage detection level
Voltage monitor 2 interrupt request generation time
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts
Suspend request
Time delay until Suspend
Voltage Detection 0 Circuit Electrical Characteristics
Voltage Detection 1 Circuit Electrical Characteristics
Voltage Detection 2 Circuit Electrical Characteristics
(2)
(3)
(3)
FMR46
Page 433 of 485
Parameter
Parameter
Parameter
CC
CC
CC
= 2.2 to 5.5 V and T
= 2.2 to 5.5 V and T
= 2.2 to 5.5 V and T
opr
opr
opr
(2)
(2)
= -20 to 85 ° C (N version) / -40 to 85 ° C (D version).
= -20 to 85 ° C (N version) / -40 to 85 ° C (D version).
= -20 to 85 ° C (N version) / -40 to 85 ° C (D version).
Fixed time
VCA25 = 1, V
VCA26 = 1, V
VCA27 = 1, V
Condition
Condition
Condition
t
d(SR-SUS)
CC
CC
CC
= 5.0 V
= 5.0 V
= 5.0 V
Clock-dependent
det1
det2
time
2.70
Min.
Min.
Min.
.
.
20. Electrical Characteristics
2.2
2.2
3.3
−
−
−
−
−
−
−
−
Standard
Standard
Standard
2.85
Typ.
Typ.
Typ.
2.3
0.9
0.6
3.6
0.6
40
40
−
−
−
−
Access restart
Max.
Max.
Max.
3.00
300
100
100
2.4
3.9
−
−
−
−
−
−
Unit
Unit
Unit
µ A
µ A
µ A
µ s
µ s
µ s
µ s
µ s
V
V
V
V
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