R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 334
R5F21334CNFP#U0
Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet
1.R5F21331CNFPU0.pdf
(622 pages)
Specifications of R5F21334CNFP#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
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K 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
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21334CNFP#U0R5F21334CNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 304 of 589
21. Serial Interface (UARTi (i = 0 or 1))
The serial interface consists of three channels, UART0 to UART2. This chapter describes the UARTi (i = 0 or 1).
21.1
UART0 and UART 1 have a dedicated timer to generate a transfer clock and operate independently. UART0 and
UART1 support clock synchronous serial I/O mode and clock asynchronous serial I/O mode (UART mode).
Figure 21.1 shows a UARTi (i = 0 or 1) Block Diagram. Figure 21.2 shows a Block Diagram of UARTi
Transmit/Receive Unit. Table 21.1 lists the Pin Configuration of UARTi (i = 0 or 1).
Figure 21.1
UARTi
RXDi
CLKi
CLK1 and CLK0 = 00b
f32
fC
f1
f8
Overview
= 01b
= 10b
= 11b
polarity
switch
circuit
CLK
UARTi (i = 0 or 1) Block Diagram
Clock synchronous type
(internal clock selected)
CKDIR = 0
Internal
External
CKDIR = 1
UiBRG register
1/(n0+1)
1/16
1/16
1/2
Clock synchronous type
Clock synchronous type
Clock synchronous type
(internal clock selected)
Clock synchronous type
(external clock selected)
UART reception
UART transmission
Reception control
Transmission
control circuit
CKDIR = 0
CKDIR = 1
circuit
CKDIR: Bit in UiMR register
CLK0, CLK1: Bits in UiC0 register
i = 0 or 1
21. Serial Interface (UARTi (i = 0 or 1))
Receive clock
Transmit clock
Transmit/
receive
unit
TXDi
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