R5F21237KFP#U0 Renesas Electronics America, R5F21237KFP#U0 Datasheet - Page 311
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 15.11
• Example of Receive Timing when Transfer Data is 8 Bits Long (parity disabled, one stop bit)
UiBRG output
UiC1 register
RE bit
RXDi
Transfer clock
UiC1 register
RI bit
SiRIC register
RI bit
The above timing diagram applies to the case where the register bits are set as follows:
i = 0 or 1
Receive Timing Example in UART Mode
• UiMR register PRYE bit = 0 (parity disabled)
• UiMR register STPS bit = 0 (1 stop bit)
1
0
1
0
1
0
Reception triggered when transfer clock
is generated by falling edge of start bit
Page 289 of 501
Start bit
Determined “L”
D0
Receive data taken in
Set to
0
when interrupt request is accepted, or set by a program
D1
Transferred from UARTi receive
register to UiRB register
D7
Stop bit
15. Serial Interface
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