R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 325

• 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 296 of 573
21.2.3
After Reset
After Reset
b10
b11
b12
b13
b14
b15
Bit
b0
b1
b2
b3
b4
b5
b6
b7
b8
b9
Address 00A3h to 00A2h
If the transfer data is 9 bits long, write data to the high-order byte first, then low-order byte of the U0TB
register.
Use the MOV instruction to write to this register.
Symbol
Symbol
Symbol
Bit
Bit
UART0 Transmit Buffer Register (U0TB)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
b15
b7
—
—
X
X
Transmit data
Nothing is assigned. If necessary, set to 0. When read, the content is undefined.
b14
b6
—
—
X
X
b13
b5
—
—
X
X
b12
b4
—
—
X
X
b11
Function
b3
—
—
X
X
b10
b2
—
—
X
X
b1
b9
—
—
X
X
21. Serial Interface (UART0)
b0
b8
—
—
X
X
R/W
W
—