R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 588

• 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 555 of 723
Figure 26.9
(master output)
(master output)
ICDRS register
ICDRR register
Slave receive mode
ICCR1 register
ICDRT register
Program Processing
(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
0
(1) Write data to ICDRT register
A
9
(data 1).
Slave transmit mode
b7
1
Data 1
b6
Data 1
2
b5
(2) Write data to ICDRT register
3
(data 2).
b4
4
b3
5
2
C bus Interface Mode) (1)
b2
6
b1
7
Data 2
b0
8
(2) Write Data to ICDRT register
(data 3).
9
A
Data 2
26. I
b7
1
Data 3
2
C bus Interface