R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 308

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 15.2
RXDi
Feb 29, 2008
SP
SP
UARTi 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
Clock
synchronous
type
0
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
Clock
synchronous
type
UART (8 bits)
UART (9 bits)
UART (8 bits)
UART (9 bits)
Clock
synchronous
type
UART (7 bits)
UART (7 bits)
D7
D7
D6
D6
MSB/LSB conversion circuit
MSB/LSB conversion circuit
D5
D5
i = 0 or 1
SP: Stop bit
PAR: Parity bit
UARTi transmit register
D4
D4
UARTi receive register
D3
D3
D2
D2
15. Serial Interface
D1
D1
D0
D0
UiRB register
UiTB register
TXDi