R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 586

• 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 553 of 723
Figure 26.8
Program processing
(master output)
(master output)
ICDRR register
ICDRS register
ICCR1 register
(slave output)
ICSR register
RCVD bit in
RDRF bit in
SDA
SDA
SCL
Operating Timing in Master Receive Mode (I
Data n-1
(5) Read ICDRR register
A
9
after setting RCVD bit to 1.
Data n-1
b7
1
b6
2
b5
3
(6) Generate a stop condition.
b4
4
b3
5
b2
6
2
C bus Interface Mode) (2)
b1
7
(7) Set RCVD bit to 0
after reading ICDRR register.
Data n
b0
8
A/A
Data n
9
(8) Set to slave receive mode.
26. I
2
C bus Interface