R5F21236KFP#U0 Renesas Electronics America, R5F21236KFP#U0 Datasheet - Page 301

• Manufacturer Part Number: R5F21236KFP#U0
• Description: IC R8C/23 MCU FLASH 48LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/23r

Specifications of R5F21236KFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K 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: -

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 15.5
UARTi Transmit/Receive Control Register 0 (i = 0 or 1)
UARTi Transmit/Receive Control Register 1 (i = 0 or 1)
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
NOTES:
1.
1.
2. Set the UiRRM bit to 0 (disables continuous receive mode) in UART mode.
If the BRG count source is sw itched, set the UiBRG register again.
The RI bit is set to 0 w hen the higher byte of the UiRB register is read out.
b3 b2
b3 b2 b1 b0
0
Registers UiC0 and UiC1 (i = 0 or 1)
b1 b0
Bit Symbol
Bit Symbol
UFORM
(b7-b6)
Symbol
CKPOL
Symbol
TXEPT
UiRRM
U0C0
U1C0
CLK0
CLK1
U0C1
U1C1
UiIRS
Page 279 of 501
NCH
(b2)
(b4)
RE
TE
—
—
RI
—
TI
BRG count source select
bit
Reserved bit
Transmit register empty
flag
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Data output select bit
CLK polarity select bit
Transfer format select bit 0 : LSB first
Transmit enable bit
Transmit buffer empty flag
Receive enable bit
Receive complete flag
UARTi transmit interrupt cause
select bit
UARTi continuous receive mode
enable bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
(1)
Address
Bit Name
(2)
00A4h
00ACh
Address
Bit Name
00A5h
00ADh
(1)
b1 b0
0 0 : Selects f1
0 1 : Selects f8
1 0 : Selects f32
1 1 : Do not set
Set to 0
0 : Data in transmit register (during transmit)
1 : No data in transmit register (transmit completed)
0 : TXDi pin is a pin of CMOS output
1 : TXDi pin is a pin of N-channel open drain output
0 : Transmit data is output at falling edge of transfer
1 : Transmit data is output at rising edge of transfer
1 : MSB first
clock and receive data is input at rising edge
clock and receive data is input at falling edge
0 : Disables transmit
1 : Enables transmit
0 : Data in UiTB register
1 : No data in UiTB register
0 : Disables receive
1 : Enables receive
0 : No data in UiRB register
1 : Data in UiRB register
0 : Transmit buffer empty (TI = 1)
1 : Transmit completed (TXEPT = 1)
0 : Disables continuous receive mode
1 : Enables continuous receive mode
After Reset
00001000b
00001000b
Function
After Reset
00000010b
00000010b
Function
15. Serial Interface
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
—
—