R5F21237KFP#U0 Renesas Electronics America, R5F21237KFP#U0 Datasheet - Page 329
R5F21237KFP#U0
Manufacturer Part Number
R5F21237KFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237KFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
16MHz
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 ~ 125°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:
R5F21237KFP#U0R5F21237KFP#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 16.12
16.2.5
16.2.5.1
Figure 16.12 shows an Initialization in Clock Synchronous Communication Mode. Set the TE bit in the SSER
register to 0 (disables transmit) and the RE bit to 0 (disables receive) before data transmit / receive as an
initialization.
When communication mode and format are changed, set the TE bit to 0 and the RE bit to 0 before changing.
Setting the RE bit to 0 does not change the contents of the RDRF and ORER flags, and the contents of the
SSRDR register.
Clock Synchronous Communication Mode
Initialization in Clock Synchronous Communication Mode
Initialization in Clock Synchronous Communication Mode
Page 307 of 501
NOTE:
1. Write 0 after reading 1 to set the ORER bit to 0.
SSER register
SSCRH register
SSMR2 register
SSMR register
SSMR2 register
SSSR register
SSCRH register
SSER register
Set CKS0 to CKS2 bits
Set RSSTP bit
RE bit ← 1 (When receive)
TE bit ← 1 (When transmit)
Set RIE, TEIE and TIE bits
Start
End
SCKS bit ← 1
Set SOOS bit
CPHS bit ← 0
CPOS bit ← 0
Set MLS bit
ORER bit ← 0
SSUMS bit ← 0
Set MSS bit
RE bit ← 0
TE bit ← 0
(1)
16. Clock Synchronous Serial Interface
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