R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 323

• Manufacturer Part Number: R5F21324ANSP#U1
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Ar

Specifications of R5F21324ANSP#U1

• 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: 15
• 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 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-LSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 293 of 583
Figure 21.2
RXD0
Table 21.1
TXD0
RXD0
CLK0
Pin Name
SP
SP
Preliminary specification
Specifications in this manual are tentative and subject to change.
Block Diagram of UART0 Transmit/Receive Unit
Pin Configuration of UART0
2SP
1SP
SP
P1_4
P1_5
P1_6
2SP
1SP
SP
Assigned Pin
PAR
PAR
0
Nov 05, 2008
PAR enabled
PRYE = 1
PRYE = 1
PAR enabled
0
PRYE = 0
PAR
disabled
PAR
disabled
PRYE = 0
0
0
Clock
synchronous
type
Clock
synchronous
type
0
UART
UART
0
0
Output
Input
UART (9 bits)
0
UART (9 bits)
I/O
I/O
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
Serial data output
Serial data input
Transfer clock I/O
UART (7 bits)
UART (7 bits)
D7
D7
D6
D6
MSB/LSB conversion circuit
MSB/LSB conversion circuit
D5
D5
SP: Stop bit
PAR: Parity bit
UART0 transmit register
D4
D4
UART0 receive register
Function
21. Serial Interface (UART0)
D3
D3
D2
D2
D1
D1
D0
D0
U0RB register
U0TB register
TXD0