R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 97

• 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 64 of 723
Figure 7.7
P3_3
P3_4
Data bus
Data bus
Input to external interrupt
Note:
peripheral function
Input to individual
1.
IOINSEL: Bit in PINSR register
Analog input of
Input to individual peripheral function
Ensure the input voltage to each port does not exceed VCC.
comparator B
Configuration of I/O Ports (7)
Analog input of comparator B
Port latch
Port latch
Direction
Direction
register
register
peripheral function enabled
peripheral function enabled
symbolizes a parasitic diode.
Output from individual
Output from individual
Pin select register
Pin select register
Output from individual
Output from individual
Pin select
Pin select
register
peripheral function
register
peripheral function
Digital
filter
IOINSEL
IOINSEL
Pull-up selection
Pull-up selection
Drive capacity selection
Drive capacity selection
Drive capacity selection
Drive capacity selection
switch function
switch function
Input level
Input level
(Note 1)
(Note 1)
(Note 1)
(Note 1)
7. I/O Ports