R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 255

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 15.6
UARTi Transmit/Receive Control Register 1 (i = 0 or 1)
b7 b6 b5 b4
NOTES:
1.
2.
The RI bit is set to 0 w hen the higher byte of the UiRB register is read out.
Set the UiRRM bit to 0 (disables continuous receive mode) in UART mode.
Sep 26, 2008
b3 b2 b1
Registers U0C1 to U1C1
b0
Bit Symbol
(b7-b6)
Symbol
UiRRM
U0C1
U1C1
UiIRS
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RE
TE
RI
—
TI
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.
(2)
Address
Bit Name
00A5h
00ADh
(1)
(1)
0 : Disables transmission
1 : Enables transmission
0 : Data in UiTB register
1 : No data in UiTB register
0 : Disables reception
1 : Enables reception
0 : No data in UiRB register
1 : Data in UiRB register
0 : Transmission buffer empty (TI=1)
1 : Transmission completed (TXEPT=1)
0 : Disables continuous receive mode
1 : Enables continuous receive mode
After Reset
00000010b
00000010b
Function
15. Serial Interface
RW
RW
RW
RW
RW
RO
RO
—