R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 337

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#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: 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: -

R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 308 of 573
Table 21.6
Notes:
U0TB
U0RB
U0BRG
U0MR
U0C0
U0C1
1. The bits used for transmission/receive data are as follows:
2. The contents of the following are undefined:
Register
- Bits 7 and 8 when the transfer data is 7 bits long
- Bit 8 when the transfer data is 8 bits long
- Bits b0 to b6 when transfer data is 7 bits long
- Bits b0 to b7 when transfer data is 8 bits long
- Bits b0 to b8 when transfer data is 9 bits long
Registers Used and Settings in UART Mode
b0 to b8
b0 to b8
OER,FER,PER,SUM
b0 to b7
SMD2 to SMD0
CKDIR
STPS
PRY, PRYE
CLK0, CLK1
TXEPT
NCH
CKPOL
UFORM
TE
TI
RE
RI
U0IRS
U0RRM
Bit
Set transmit data.
Receive data can be read.
Error flag
Set a bit rate.
Set to 100b when transfer data is 7 bits long.
Set to 101b when transfer data is 8 bits long.
Set to 110b when transfer data is 9 bits long.
Select the internal clock or external clock.
Select the stop bit.
Select whether parity is included and whether odd or even.
Select the count source for the U0BRG register.
Transmit register empty flag
Select TXD0 pin output mode.
Set to 0.
Select LSB first or MSB first when transfer data is 8 bits long.
Set to 0 when transfer data is 7 bits or 9 bits long.
Set to 1 to enable transmission.
Transmit buffer empty flag
Set to 1 to enable reception.
Receive complete flag
Select the UART0 transmit interrupt source.
Set to 0.
(1)
(2)
Function
21. Serial Interface (UART0)