R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 518

• 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 485 of 723
Table 23.11
U2SMR3 b0, b2, b4, and
U2SMR4 STAREQ
URXDF
U2SMR5 MP
Register
NODC
CKPH
DL2 to DL0
RSTAREQ
STPREQ
STSPSEL
ACKD
ACKC
SCLHI
SWC9
DF2EN
Registers Used and Settings in I
Bit
Set the amount of SDA2 digital delay.
Set to 1 to output ACK data.
Set to 0.
Set to 0.
Refer to Table 23.12 I
Set to 1 to generate a start condition.
Set to 1 to generate a restart condition.
Set to 1 to generate a stop condition.
Set to 1 to output each condition.
Select ACK or NACK.
Set to 1 to stop SCL2 output when a stop
condition is detected.
Set to 0.
Set to 0.
Master
2
C Mode Functions . Refer to Table 23.12 I
2
C Mode (2)
Function
Set to 0.
Set the amount of SDA2 digital delay.
Set to 0.
Set to 0.
edge of the 9th bit of clock.
Set to 0.
Set to 0.
Set to 0.
Set to 0.
Select ACK or NACK.
Set to 1 to output ACK data.
Set to 1 to hold SCL2 low at the falling
Set to 0.
23. Serial Interface (UART2)
Slave
2
C Mode Functions .