R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 4

• 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
REJ03B0117-0300
1.2
Table 1.1
NOTES:
CPU
Peripheral
Functions
Electrical
Characteristics
Flash Memory Programming and erasure voltage VCC = 2.7 to 5.5 V
Operating Ambient Temperature
Package
Table 1.1 outlines the Functions and Specifications for R8C/24 Group and Table 1.2 outlines the Functions and
Specifications for R8C/25 Group.
1. I
2. Specify the D version if D version functions are to be used.
3. Please contact Renesas Technology sales offices for the Y version.
2
Performance Overview
C bus is a trademark of Koninklijke Philips Electronics N. V.
Feb 29, 2008
Functions and Specifications for R8C/24 Group
Number of fundamental
instructions
Minimum instruction execution
time
Operating mode
Address space
Memory capacity
Ports
LED drive ports
Timers
Serial interfaces
Clock synchronous serial
interface
LIN module
A/D converter
Watchdog timer
Interrupts
Clock
Oscillation stop detection function XIN clock oscillation stop detection function
Voltage detection circuit
Power-on reset circuit
Supply voltage
Current consumption
Programming and erasure endurance 100 times
Item
Page 2 of 51
Clock generation
circuits
89 instructions
50 ns (f(XIN) = 20 MHz, VCC = 3.0 to 5.5 V)
100 ns (f(XIN) = 10 MHz, VCC = 2.7 to 5.5 V)
200 ns (f(XIN) = 5 MHz, VCC = 2.2 to 5.5 V)
Single-chip
1 Mbyte
Refer to Table 1.3 Product Information for R8C/24 Group
I/O ports: 41 pins, Input port: 3 pins
I/O ports: 8 pins
Timer RA: 8 bits × 1 channel
Timer RB: 8 bits × 1 channel
Timer RD: 16 bits × 2 channels
Timer RE: With real-time clock and compare match function
2 channels (UART0, UART1)
1 channel
Hardware LIN: 1 channel (timer RA, UART0)
10-bit A/D converter: 1 circuit, 12 channels
15 bits × 1 channel (with prescaler)
Internal: 11 sources, External: 5 sources, Software: 4
sources, Priority levels: 7 levels
3 circuits
Real-time clock (timer RE)
On-chip
On-chip
VCC = 3.0 to 5.5 V (f(XIN) = 20 MHz)
VCC = 2.7 to 5.5 V (f(XIN) = 10 MHz)
VCC = 2.2 to 5.5 V (f(XIN) = 5 MHz)
Typ. 10 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Typ. 6 mA (VCC = 3.0 V, f(XIN) = 10 MHz)
Typ. 2.0 µA (VCC = 3.0 V, wait mode (f(XCIN) = 32 kHz)
Typ. 0.7 µA (VCC = 3.0 V, stop mode)
-20 to 85°C (N version)
-40 to 85°C (D version)
-20 to 105°C (Y version)
52-pin molded-plastic LQFP
64-pin molded-plastic FLGA
Reset start selectable
Clock synchronous serial I/O, UART
I
Clock synchronous serial I/O with chip select
• XIN clock generation circuit (with on-chip feedback resistor)
• On-chip oscillator (high speed, low speed)
• XCIN clock generation circuit (32 kHz)
2
C bus Interface
High-speed on-chip oscillator has a frequency
adjustment function
(Each timer equipped with 8-bit prescaler)
(Input capture and output compare circuits)
(1)
Specification
(2)
(3)
1. Overview