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Table 1. Performance Outline of R8C/23 Group

Item Performance
CPU Basic 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)
Operating Mode Single-chip mode
Address Space 1 Mbytes
Memory Capacity See Product Lineup.
Peripheral
Functions		 Port I/O port: 41 pins, Input port: 3 pins
Timer 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 compare match function)
Serial Interface 1 channel
Clock synchronous, Clock asynchronous
1 channel
Clock asynchronous
1 channel
I2C-bus interface
Chip-select clock synchronous
LIN Module Hardware LIN: 1 channel (Timer RA, UART0)
CAN Module 1 channel, 16 slots (2.0B)
A/D Converter 10-bit A/D converter: 1 circuit, 12 channels
Watchdog Timer 15 bits × 1 channel (with prescaler)
Reset start selectable
Interrupt Internal: 14 factors, External: 6 factors,
Software: 4 factors, Priority level: 7 levels
Clock Generation
Circuit		 2 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.
Oscillation Stop
Detection Function		 XIN clock oscillation stop detection function
Voltage Detection
Circuit		 Included
Power-On Reset
Circuit		 Included
Electrical
Characteristics		 Supply Voltage D, J Version: VCC = 3.0 to 5.5 V (f(XIN) = 20 MHz)
K Version: VCC = 3.0 to 5.5 V (f(XIN) = 16 MHz)
VCC = 2.7 to 5.5 V (f(XIN) = 10 MHz)
Current
Consumption		 Typ. 12.5 mA
(VCC = 5.0 V, f(XIN) = 20 MHz, When high-speed on-chip oscillator stops)
Typ. 6.0 mA
(VCC = 3.0 V, f(XIN) = 10 MHz, When high-speed on-chip oscillator stops)
Flash Memory Program/Erase
Supply Voltage		 VCC = 2.7 to 5.5 V
Program/Erase
Endurance		 10,000 times (Data Flash)
1,000 times (Program ROM)
Operating Ambient Temperature −40 to 85 degrees C
−40 to 125 degrees C (Option (1))
Package 48-pin plastic mold LQFP

Note:
1. Please send inquiries regarding specifications when optional features are used.

 

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