R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 96

• 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 66 of 589
Figure 7.10
P4_6/XIN/XCIN
P4_7/XOUT/XCOUT
Data bus
Data bus
Note:
1.
CM01, CM03, CM04, CM05: Bits in CM0 register
CM11, CM12, CM13: Bits in CM1 register
IOINSEL: Bit in PINSR register
Ensure the input voltage to each port does not exceed VCC.
Port latch
Port latch
Direction
Direction
register
register
Configuration of I/O Ports (10)
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
oscillation
circuit
XIN
CM05
CM13
CM11
RfXIN
0
0
CM01
CM01
1
1
CM04, CM13
CM03
RfXCIN
CM12
7. I/O Ports
XCIN
oscillation
circuit
(Note 1)
(Note 1)
(Note 1)
(Note 1)