R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 343
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 313 of 589
Table 21.4
TXD0 (P1_4)
RXD0 (P1_5)
CLK0 (P1_6)
TXD1 (P0_1)
RXD1 (P0_2)
CLK1 (P0_3)
Table 21.4 lists the I/O Pin Functions in Clock Synchronous Serial I/O Mode.
After UARTi (i = 0 or 1) operating mode is selected, the TXDi pin outputs a “H” level until transfer starts. (If the
NCH bit is set to 1 (N-channel open-drain output), this pin is in the high-impedance state.)
Pin Name
I/O Pin Functions in Clock Synchronous Serial I/O Mode
Serial data output
Serial data input
Transfer clock output CLK0SEL0 bit in U0SR register = 1
Transfer clock input
Serial data output
Serial data input
Transfer clock output CLK1SEL0 bit in U1SR register = 1
Transfer clock input
Function
RXD0SEL0 bit in U0SR register = 1
TXD1SEL0 bit in U1SR register = 1
TXD0SEL0 bit in U0SR register = 1
For reception only:
P1_4 can be used as a port by setting TXD0SEL0 bit = 0.
PD1_5 bit in PD1 register = 0
For transmission only:
P1_5 can be used as a port by setting RXD0SEL0 bit = 0.
CKDIR bit in U0MR register = 0
CLK0SEL0 bit in U0SR register = 1
CKDIR bit in U0MR register = 1
PD1_6 bit in PD1 register = 0
For reception only:
P0_1 can be used as a port by setting TXD1SEL0 bit = 0.
RXD1SEL0 bit in U1SR register = 1
PD0_2 bit in PD0 register = 0
For transmission only:
P0_2 can be used as a port by setting RXD1SEL0 bit = 0.
CKDIR bit in U1MR register = 0
CLK1SEL0 bit in U1SR register = 1
CKDIR bit in U1MR register = 1
PD0_3 bit in PD0 register = 0
Selection Method
21. Serial Interface (UARTi (i = 0 or 1))
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