R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 501

• 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 468 of 723
Table 23.3
Note:
U2TB
U2RB
U2BRG
U2MR
U2C0
U2C1
U2SMR
U2SMR2
U2SMR3
U2SMR4
URXDF
U2SMR5
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.
(1)
(1)
(1)
Registers Used and Settings in Clock Synchronous Serial I/O Mode
b0 to b7
b0 to b7
OER
b0 to b7
SMD2 to SMD0
CKDIR
IOPOL
CLK1, CLK0
CRS
TXEPT
CRD
NCH
CKPOL
UFORM
TE
TI
RE
RI
U2IRS
U2RRM
U2LCH
U2ERE
b0 to b7
b0 to b7
b0 to b2
NODC
b4 to b7
b0 to b7
DF2EN
MP
Bit
Set transmit data.
Receive data can be read.
Overrun error flag
Set a bit rate.
Set to 001b.
Select the internal clock or external clock.
Set to 0.
Select the count source for the U2BRG register.
Select either CTS or RTS to use functions.
Transmit register empty flag
Enable or disable the CTS or RTS function.
Select TXD2 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 source of UART2 transmit interrupt.
Set to 1 to use continuous receive mode.
Set to 1 to use inverted data logic.
Set to 0.
Set to 0.
Set to 0.
Set to 0.
Select clock output mode.
Set to 0.
Set to 0.
Set to 0.
Set to 0.
Function
23. Serial Interface (UART2)