R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 473
![IC R8C/23 MCU FLASH 48-LQFP](/photos/12/38/123822/r5f21238dfp_u0_sml.jpg)
R5F21238DFP#U0
Manufacturer Part Number
R5F21238DFP#U0
Description
IC R8C/23 MCU FLASH 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Specifications of R5F21238DFP#U0
Core Size
16/32-Bit
Program Memory Size
64KB (64K x 8)
Peripherals
POR, Voltage Detect, WDT
Core Processor
R8C
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Number Of I /o
41
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
No. Of I/o's
41
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Embedded Interface Type
CAN, I2C, UART
Rohs Compliant
Yes
Cpu Family
R8C
Device Core Size
16b
Frequency (max)
20MHz
Interface Type
I2C/UART
Total Internal Ram Size
3KB
# I/os (max)
41
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
12-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 21.2
Table 21.6
NOTES:
Table 21.7
NOTES:
V
t
−
t
Vccmin
V
t
−
t
d(Vdet1-A)
d(E-A)
d(Vdet2-A)
d(E-A)
det1
det2
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 VCA26 bit in the VCA2
3. Hold V
4. This parameter shows the voltage detection level when the power supply drops. The voltage detection level when the power
5. Time until the voltage monitor 1 reset is generated after the voltage passes V
1. The measurement condition is V
2. Time until the voltage monitor 2 reset/interrupt request is generated since the voltage passes V
3. Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA27 bit in the VCA2
4. Hold V
5. When using the digital filter, its sampling time is added to t
(Maskable interrupt request)
register to 0.
supply rises is higher than the voltage detection level when the power supply drops by approximately 0.1 V.
its sampling time is added to t
voltage passes V
register to 0.
until V
Voltage detection level
Voltage monitor 1 reset generation time
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts
MCU operating voltage minimum value
Voltage detection level
Voltage monitor 2 reset/interrupt request generation
time
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts
CC
det2
det2
= 2.0 V after the voltage passes V
Suspend request
Time delay until Suspend
Voltage Detection 1 Circuit Electrical Characteristics
> V
Voltage Detection 2 Circuit Electrical Characteristics
(2, 5)
> V
(2)
(3)
det1
det1
det1
.
.
FMR46
when the power supply falls.
Page 451 of 501
Parameter
Parameter
(3, 4)
(4)
d(Vdet1-A)
CC
CC
= 2.7 V to 5.5 V and Topr = -40 ° C to 85 ° C (D, J version) / -40 ° C to 125 ° C (K version).
= 2.7 V to 5.5 V and Topr = -40 ° C to 85 ° C (D, J version) / -40 ° C to 125 ° C (K version).
. When using the voltage monitor 1 reset, maintain this time until V
det2
(5)
when the power supply falls.
d(Vdet2-A)
Fixed time
VCA26 = 1, V
VCA27 = 1, V
. When using the voltage monitor 2 reset, maintain this time
Condition
Condition
t
d(SR-SUS)
det1
CC
CC
Clock-dependent time
= 5.0 V
= 5.0V
when V
CC
falls. When using the digital filter,
2.70
2.70
Min.
Min.
21. Electrical Characteristics
3.3
−
−
−
−
−
−
det2
Standard
Standard
.
2.85
Typ.
Typ.
0.6
3.6
0.6
40
40
−
−
−
Access restart
CC
= 2.0 V after the
Max.
Max.
3.00
200
100
200
100
3.9
−
−
−
Unit
Unit
µ A
µ A
µ s
µ s
µ s
µ s
V
V
V
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