R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 475

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 43
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 442 of 723
Table 22.3
i = 0 or 1
Note:
UiTB
UiRB
UiBRG
UiMR
UiC0
UiC1
1. Set the bits not listed in this table to 0 when writing to the above registers in clock synchronous
Register
serial I/O mode.
Registers Used and Settings in Clock Synchronous Serial I/O Mode
b0 to b7
b0 to b7
OER
SMD2 to SMD0
CKDIR
CLK1, CLK0
TXEPT
NCH
CKPOL
UFORM
TE
TI
RE
RI
UiIRS
UiRRM
b0 to b7
Bit
Set data transmission.
Receive data can be read.
Overrun error flag
Set a bit rate.
Set to 001b.
Select the internal clock or external clock.
Select the count source for the UiBRG register.
Transmit register empty flag
Select TXDi pin output mode.
Select the transfer clock polarity.
Select LSB first or MSB first.
Set to 1 to enable transmission/reception
Transmit buffer empty flag
Set to 1 to enable reception.
Receive complete flag
Select the UARTi transmit interrupt source.
Set to 1 to use continuous receive mode.
Function
22. Serial Interface (UARTi (i = 0 or 1))
(1)