R5F21237JFP#U0 Renesas Electronics America, R5F21237JFP#U0 Datasheet - Page 337
![IC R8C/23 MCU FLASH 48LQFP](/photos/28/61/286102/48-lqfp__plqp0048kb-a_sml.jpg)
R5F21237JFP#U0
Manufacturer Part Number
R5F21237JFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237JFP#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/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
Part Number:
R5F21237JFP#U0R5F21237JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21237JFP#U0R5F21237JFP#ES
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21237JFP#U0R5F21237JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 16.18
(1)
(2)
NOTE:
1. Write 0 after reading 1 to set the ORER bit to 0.
Initialization in 4-Wire Bus Communication Mode
SSER register
SSMR register
SSCRH register
SSMR2 register
SSMR2 register
SSSR register
SSER register
SSCRH register
Page 315 of 501
Set bits CPHS and CPOS
MLS bits ← 0
RE bit ← 1 (receive)
TE bit ← 1 (transmit)
Set bits RIE, TEIE, and TIE
Start
Set bits CKS0 to CKS2
Set RSSTP bit
End
SCKS bit ← 1
Set bits SOOS, CSS0 to
CSS1, and BIDE
ORER bit ← 0
SSUMS bit ← 1
RE bit ← 0
TE bit ← 0
Set MSS bit
(1)
(2) Set the BIDE bit to 1 in bidirectional mode and
(1) The MLS bit is set to 0 for MSB-first transfer.
set the I/O of the SCS pin by bits CSS0 and
CSS1.
The clock polarity and phase are set by bits
CPHS and CPOS.
16. Clock Synchronous Serial Interface
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