R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 340

• 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 310 of 583
Figure 21.7
• Receive Timing Example When Transfer Data is 8 Bits Long (Parity Disabled, One Stop Bit)
U0BRG output
U0C1 register
Transfer clock
U0C1 register
S0RIC register
RE bit in
RI bit in
IR bit in
RXD0
The above applies when :
Preliminary specification
Specifications in this manual are tentative and subject to change.
Receive Timing in UART Mode
• PRYE bit in U0MR register = 0 (parity disabled)
• STPS bit in U0MR register = 0 (one stop bit)
1
0
1
0
1
0
Reception starts when a transfer clock is
generated at the falling edge of the start bit.
Start bit
Nov 05, 2008
“L” is determined.
D0
Set to 0 when an interrupt request is acknowledged or by a program.
Receive data taken in
D1
Data transfer from UART0 receive register to U0RB register
D7
Stop bit
21. Serial Interface (UART0)