R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 100

• 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 67 of 723
Figure 7.10
P4_2/VREF
P4_3/XCIN
P4_4/XCOUT
Data bus
Data bus
Data bus
Note:
1.
CM03, CM04: Bits in CM0 register
CM12: Bit in CM1 register
XCSEL: Bit in PINSR register
IOINSEL: Bit in PINSR register
Configuration of I/O Ports (10)
Ensure the input voltage to each port does not exceed VCC.
Port latch
Port latch
Direction
Direction
register
register
symbolizes a parasitic diode.
Pull-up selection
Pull-up selection
IOINSEL
IOINSEL
Drive capacity selection
Drive capacity selection
Drive capacity selection
Drive capacity selection
switch function
switch function
Input level
Input level
switch function
Input level
oscillation
circuit
XCIN
CM03
CM04, XCSEL
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
7. I/O Ports
CM12
RfXCIN