R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 482
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
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
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 449 of 723
Table 22.6
i = 0 or 1
Notes:
UiTB
UiRB
UiBRG
UiMR
UiC0
UiC1
1. The bits used for transmission/receive data are as follows:
2. The contents of the following are undefined:
Register
- Bits 7 and 8 when the transfer data is 7 bits long
- Bit 8 when the transfer data is 8 bits long
- Bits b0 to b6 when transfer data is 7 bits long
- Bits b0 to b7 when transfer data is 8 bits long
- Bits b0 to b8 when transfer data is 9 bits long
Registers Used and Settings in UART Mode
b0 to b8
b0 to b8
OER,FER,PER,SUM
b0 to b7
SMD2 to SMD0
CKDIR
STPS
PRY, PRYE
CLK0, CLK1
TXEPT
NCH
CKPOL
UFORM
TE
TI
RE
RI
UiIRS
UiRRM
Bit
Set transmit data.
Receive data can be read.
Error flag
Set a bit rate.
Set to 100b when transfer data is 7 bits long.
Set to 101b when transfer data is 8 bits long.
Set to 110b when transfer data is 9 bits long.
Select the internal clock or external clock.
Select the stop bit.
Select whether parity is included and whether odd or even.
Select the count source for the UiBRG register.
Transmit register empty flag
Select TXDi pin output mode.
Set to 0.
Select LSB first or MSB first when transfer data is 8 bits long.
Set to 0 when transfer data is 7 bits or 9 bits long.
Set to 1 to enable transmission.
Transmit buffer empty flag
Set to 1 to enable reception.
Receive complete flag
Select the UARTi transmit interrupt source.
Set to 0.
(1)
(2)
Function
22. Serial Interface (UARTi (i = 0 or 1))
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