Datasheet
R8C/24 Group, R8C/25 Group 1. Overview
Rev.3.00 Feb 29, 2008 Page 3 of 51
REJ03B0117-0300
Table 1.2 Functions and Specifications for R8C/25 Group
NOTES:
1. I
2
C bus is a trademark of Koninklijke Philips Electronics N. V.
2. Specify the D version if D version functions are to be used.
3. Please contact Renesas Technology sales offices for the Y version.
Item Specification
CPU Number of fundamental
instructions
89 instructions
Minimum instruction execution
time
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)
Operating mode Single-chip
Address space 1 Mbyte
Memory capacity
Refer to
Table 1.4 Product Information for R8C/25 Group
Peripheral
Functions
Ports I/O ports: 41 pins, Input port: 3 pins
LED drive ports I/O ports: 8 pins
Timers Timer RA: 8 bits × 1 channel
Timer RB: 8 bits × 1 channel
(Each timer equipped with 8-bit prescaler)
Timer RD: 16 bits × 2 channels
(Input capture and output compare circuits)
Timer RE:
With real-time clock and compare match function
Serial interface 2 channels (UART0, UART1)
Clock synchronous serial I/O, UART
Clock synchronous serial
interface
1 channel
I
2
C bus Interface
(1)
Clock synchronous serial I/O with chip select
LIN module
Hardware LIN: 1 channel (timer RA, UART0)
A/D converter 10-bit A/D converter: 1 circuit, 12 channels
Watchdog timer 15 bits × 1 channel (with prescaler)
Reset start selectable
Interrupts
Internal: 11 sources, External: 5 sources, Software: 4
sources, Priority levels: 7 levels
Clock Clock generation
circuits
3 circuits
• XIN clock generation circuit (with on-chip feedback
resistor)
• On-chip oscillator (high speed, low speed)
High-speed on-chip oscillator has a frequency
adjustment function
• XCIN clock generation circuit (32 kHz)
Real-time clock (timer RE)
Oscillation stop detection function
XIN clock oscillation stop detection function
Voltage detection circuit On-chip
Power-on reset circuit On-chip
Electrical
Characteristics
Supply voltage 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)
Current consumption
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
µ
A (VCC = 3.0 V, wait mode (f(XCIN) = 32 kHz)
Typ. 0.7
µ
A (VCC = 3.0 V, stop mode)
Flash memory
Programming and erasure voltage
VCC = 2.7 to 5.5 V
Programming and erasure
endurance
1,0000 times (data flash)
1,000 times (program ROM)
Operating Ambient Temperature -20 to 85°C (N version)
-40 to 85°C (D version)
(2)
-20 to 105°C (Y version)
(3)
Package 52-pin molded-plastic LQFP
64-pin molded-plastic FLGA