R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 434

• Manufacturer Part Number: R5F21334CNFP#U0
• Description: MCU 1KB FLASH 16K ROM 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/33Cr

Specifications of R5F21334CNFP#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: 27
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K 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: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 404 of 589
Figure 25.1
Table 25.2
SDA
SCL
SCL
SDA
Pin Name
I
Pin Configuration of I
2
C bus interface Block Diagram
canceller
P3_5
P3_7
canceller
Output
control
Noise
Output
control
Noise
Assigned Pin
2
C bus Interface
check circuit
check circuit
Arbitration
Bus state
Clock I/O pin
Data I/O pin
Transmit/receive
control circuit
ICDRR register
ICDRT register
ICDRS register
ICIER register
Function
Address comparison
Interrupt generation
Transfer clock
ICCR1 register
ICCR2 register
ICMR register
ICSR register
SAR register
generation
circuit
circuit
circuit
(TXI, TEI, RXI, STPI, NAKI)
f1
25. I
Interrupt request
2
C bus Interface