R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 298

• Manufacturer Part Number: R5F21238DFP#U0
• Description: IC R8C/23 MCU FLASH 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/23r

Specifications of R5F21238DFP#U0

• Core Size: 16/32-Bit
• Program Memory Size: 64KB (64K x 8)
• Peripherals: POR, Voltage Detect, WDT
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Number Of I /o: 41
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• No. Of I/o's: 41
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Embedded Interface Type: CAN, I2C, UART
• Rohs Compliant: Yes
• Cpu Family: R8C
• Device Core Size: 16b
• Frequency (max): 20MHz
• Interface Type: I2C/UART
• Total Internal Ram Size: 3KB
• # I/os (max): 41
• Number Of Timers - General Purpose: 5
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• On-chip Adc: 12-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 15.2
RXDi
SP
SP
UARTi (i = 0 or 1) Transmit/Receive Unit
2SP
1SP
SP
2SP
1SP
SP
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PAR
PAR
0
0
PRYE = 1
PAR
enabled
PAR
disabled
PRYE = 0
PRYE = 0
PAR
disabled
PAR
enabled
PRYE = 1
0
0
Clock
synchronous
type
0
Clock
synchronous
type
UART
UART
0
0
UART (9 bits)
0
UART (9 bits)
UART (7 bits)
UART (8 bits)
Clock
synchronous
type
Clock
synchronous
type
UART (7 bits)
UART (8 bits)
D8
D8
Data bus low-order bits
Data bus high-order bits
UART (8 bits)
UART (9 bits)
Clock
synchronous
type
UART (8 bits)
UART (9 bits)
Clock
synchronous
type
UART (7 bits)
UART (7 bits)
D7
D7
NOTE:
D6
D6
1. Clock synchronous type is provide in UART0 only.
MSB/LSB conversion circuit
MSB/LSB conversion circuit
D5
D5
UARTi transmit register
D4
D4
UARTi receive register
i = 0 or 1
SP: Stop bit
PAR: Parity bit
D3
D3
D2
D2
15. Serial Interface
D1
D1
D0
D0
UiRB register
UiTB register
TXDi