R5F21237KFP#U0 Renesas Electronics America, R5F21237KFP#U0 Datasheet - Page 302
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 15.6
UART1 Function Select Register
Port Mode Register
b7
b7 b6 b5 b4
0 0
b3 b2
0
0
Registers U1SR and PMR
b1
0
b0
b0
0
Set to 03h w hen using UART1.
As a result, UART1 can be used as the clock asynchronous serial I/O.
Do not set values other than 03h.
When read, its content is indeterminate.
Bit Symbol
U1PINSEL
(b3-b0)
(b6-b5)
Symbol
IICSEL
Page 280 of 501
PMR
—
—
Symbol
U1SR
Reserved bits
Port TXD1/RXD1 sw itch bit
Reserved bits
SSU/I
2
C bus sw itch bit
Address
Bit Name
00F8h
Function
Address
00F5h
Set to 0
0 : I/O port P6_6, P6_7
1 : TXD1, RXD1
Set to 0
0 : SSU function selects
1 : I
2
C bus function selects
After Reset
Function
00h
Indeterminate
After Reset
15. Serial Interface
WO
RW
RW
RW
RW
—
—
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