R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 576

• 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 543 of 723
26.2.11 Slave Address Register (SAR)
26.2.12 IIC bus Shift Register (ICDRS)
b7 to b0
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
Address 019Dh
Symbol
Symbol
Symbol
Bit
Bit
SVA0
SVA1
SVA2
SVA3
SVA4
SVA5
SVA6
This register transmits and receives data.
During transmission, data is transferred from registers ICRDT to ICDRS and transmitted from the
SDA pin.
During reception, data is transferred from registers ICDRS to the ICDRR after 1 byte of data
reception ends.
FS
SVA6
b7
b7
—
0
Format select bit
Slave addresses 6 to 0
SVA5
b6
b6
—
0
Bit Name
SVA4
b5
b5
—
0
SVA3
b4
b4
—
0
Function
0: I
1: Clock synchronous serial format
Set an address different from that of the other slave
devices connected to the I
When the 7 high-order bits of the first frame
transmitted after the start condition match bits
SVA0 to SVA6 in slave mode of the I
the MCU operates as a slave device.
SVA2
b3
b3
—
0
2
C bus format
SVA1
b2
b2
—
0
Function
SVA0
b1
b1
—
0
2
C bus.
FS
b0
b0
—
0
2
C bus format,
26. I
2
C bus Interface
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—