R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 589

• 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 556 of 723
Figure 26.10
Program processing
(master output)
(master output)
ICDRR register
ICDRT register
ICDRS register
ICCR1 register
(slave output)
(slave output)
ICSR register
ICSR register
TDRE bit in
TEND bit in
TRS bit in
SDA
SDA
SCL
SCL
Operating Timing in Slave Transmit Mode (I
Data n
A
9
b7
Data n
1
b6
2
(3) Set TEND bit to 0.
b5
3
b4
4
b3
5
b2
(4) Dummy read ICDRR register
2
6
C bus Interface Mode) (2)
after setting TRS bit to 0.
b1
Slave transmit mode
7
b0
8
9
A
(5) Set TDRE bit to 0.
26. I
2
Slave receive
mode
C bus Interface