R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 73

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 7.7
P6_6
P6_7
Feb 29, 2008
Input to individual peripheral function
Data bus
Data bus
Configuration of Programmable I/O Ports (7)
NOTE:
1.
Output from individual peripheral function
Ensure the input voltage to each port does not exceed VCC.
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INT3 input
Port latch
Port latch
Direction
Direction
register
register
symbolizes a parasitic diode.
Pull-up selection
Pull-up selection
INT2 input
1
Digital
filter
Digital
filter
7. Programmable I/O Ports
(Note 1)
(Note 1)
(Note 1)
(Note 1)