R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 527

• 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 494 of 723
Table 23.14
Notes:
U2TB
U2RB
U2BRG
U2MR
U2C0
U2C1
U2SMR
U2SMR2
U2SMR3
U2SMR4
U2SMR5
URXDF
Register
1. Set the MPTB bit to 1 when the ID data frame is transmitted. Set this bit to 0 when the data frame is
2. If the MPRB bit is set to 1, received D7 to D0 are ID fields. If the MPRB bit is set to 0, received D7 to
transmitted.
D0 are data fields.
(1)
(2)
Registers and Settings in Multiprocessor Communication Function
b0 to b7
MPTB
b0 to b7
MPRB
OER, FER, SUM
b0 to b7
SMD2 to SMD0
CKDIR
STPS
PRY, PRYE
IOPOL
CLK0, CLK1
CRS
TXEPT
CRD
NCH
CKPOL
UFORM
TE
TI
RE
RI
U2IRS
U2LCH
U2ERE
b0 to b7
b0 to b7
b0 to b7
b0 to b7
MP
MPIE
DF2EN
Bit
Set transmit data.
Set to 0 or 1.
Receive data can be read.
Multiprocessor bit
Error flag
Set the transfer rate.
Set to 100b when transfer data is 7 bits long.
Set to 101b when transfer data is 8 bits long.
Select the internal clock or external clock.
Select the stop bit.
Parity detection function disabled
Set to 0.
Select the U2BRG count source.
CTS or RTS function disabled
Transmit register empty flag
Set to 0.
Select TXD2 pin output mode.
Set to 0.
Set to 0.
Set to 1 to enable transmission.
Transmit buffer empty flag
Set to 1 to enable reception.
Receive complete flag
Select the UART2 transmit interrupt source.
Set to 0.
Set to 0.
Set to 0.
Set to 0.
Set to 0.
Set to 0.
Set to 1.
Set to 1.
Select the digital filter enabled or disabled.
Function
23. Serial Interface (UART2)