R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 111
![IC R8C/23 MCU FLASH 48-LQFP](/photos/12/18/121887/r5f21237dfp_u0_sml.jpg)
R5F21237DFP#U0
Manufacturer Part Number
R5F21237DFP#U0
Description
IC R8C/23 MCU FLASH 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Specifications of R5F21237DFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
CAN, 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)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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 10.12
FMR0 Register
(flash memory
(flash memory
mode
generated
FMSTP Bit
Stop
operates)
Interrupt
stops)
request
0
1
stability time
150 µs
(max.)
Internal
power
T0
Time from Stop Mode to Interrupt Routine Execution
Time until Flash Memory is
× 12 cycles + 30 µs (max.)
Period of system clock
Period of system clock
clock source used immediately
Activated (T2)
Oscillation period of the CPU
× 12 cycles
Page 89 of 501
before stop mode
T1
Time until CPU Clock is
Period of CPU clock
Flash memory activation
Same as above
Supplied (T3)
× 6 cycles
sequence
T2
Period of CPU clock
Time for Interrupt
Same as above
Sequence (T4)
× 20 cycles
CPU clock restart
sequence
T3
Following total
time of T0 to T4 is
the time from wait
mode until an
interrupt routine is
executed.
10. Clock Generation Circuit
Remarks
Interrupt sequence
T4
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