R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 492

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#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: 43
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 459 of 723
23.2.3
Note:
After Reset
After Reset
1. Set bits b0 to b7 after setting the MPTB bit.
b10
b11
b12
b13
b14
b15
Bit
b0
b1
b2
b3
b4
b5
b6
b7
b8
b9
Address 00ABh to 00AAh
Symbol
Symbol
Bit
Bit
UART2 Transmit Buffer Register (U2TB)
Symbol
MPTB
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
b15
b7
—
—
X
X
Transmit data (D7 to D0)
Transmit data (D8)
[When the multiprocessor communication function is not used]
Transmit data (D8)
[When the multiprocessor communication function is used]
• To transfer an ID, set the MPTB bit to 1.
• To transfer data, set the MPTB bit to 0.
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
b14
b6
—
—
X
X
b13
b5
—
—
X
X
(1)
b12
b4
—
—
X
X
b11
b3
—
—
X
X
Function
b10
b2
—
—
X
X
b1
b9
—
—
X
X
23. Serial Interface (UART2)
MPTB
b0
b8
—
X
X
R/W
W
W
—