R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 363
![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 16.37
(master output)
(master output)
Slave receive mode
ICCR1 register
(slave output)
(slave output)
ICSR register
ICSR register
ICDRS register
ICDRR register
ICDRT register
TDRE bit in
TEND bit in
TRS bit in
by program
Process
SDA
SDA
SCL
SCL
Operating Timing in Slave Transmit Mode (I
1
0
1
0
1
0
Page 341 of 501
(1) Data write to ICDRT
A
9
register (data 1)
Slave transmit mode
b7
1
Data 1
b6
Data 1
2
(2) Data write to ICDRT
b5
register (data 2)
3
b4
4
b3
2
C Bus Interface Mode) (1)
5
b2
6
16. Clock Synchronous Serial Interface
b1
7
Data 2
b0
8
(2) Data write to ICDRT
register (data 3)
9
A
Data 2
b7
1
Data 3
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