Datasheet

R8C/2K Group, R8C/2L Group 1. Overview
Rev.1.10 Dec 21, 2007 Page 2 of 45
REJ03B0219-0110
1.1.2 Specifications
Tables 1.1 and 1.2 outlines the Specifications for R8C/2K Group and Tables 1.3 and 1.4 outlines the
Specifications for R8C/2L Group.
Table 1.1 Specifications for R8C/2K Group (1)
Item Function Specification
CPU Central processing
unit
R8C/Tiny series core
• Number of fundamental instructions: 89
• 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)
• Multiplier: 16 bits × 16 bits → 32 bits
• Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits → 32 bits
• Operation mode: Single-chip mode (address space: 1 Mbyte)
Memory ROM, RAM Refer to Table 1.5 Product List for R8C/2K Group.
Power Supply
Voltage
Detection
Voltage detection
circuit
• Power-on reset
• Voltage detection 3
I/O Ports Programmable I/O
ports
• Input-only: 3 pins
• CMOS I/O ports: 25, selectable pull-up resistor
• High current drive ports: 8
Clock Clock generation
circuits
2 circuits: XIN clock oscillation 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: XIN clock oscillation stop detection function
• Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16
• Low power consumption modes:
Standard operating mode (high-speed clock, high-speed on-chip oscillator,
low-speed on-chip oscillator), wait mode, stop mode
Interrupts • External: 4 sources, Internal: 15 sources, Software: 4 sources
• Priority levels: 7 levels
Watchdog Timer 15 bits × 1 (with prescaler), reset start selectable
Timer Timer RA 8 bits × 1 (with 8-bit prescaler)
Timer mode (period timer), pulse output mode (output level inverted every
period), event counter mode, pulse width measurement mode, pulse period
measurement mode
Timer RB 8 bits × 1 (with 8-bit prescaler)
Timer mode (period timer), programmable waveform generation mode (PWM
output), programmable one-shot generation mode, programmable wait one-
shot generation mode
Timer RC 16 bits × 1 (with 4 capture/compare registers)
Timer mode (input capture function, output compare function), PWM mode
(output 3 pins), PWM2 mode (PWM output pin)
Timer RD 16 bits × 2 (with 4 capture/compare registers)
Timer mode (input capture function, output compare function), PWM mode
(output 6 pins), reset synchronous PWM mode (output three-phase
waveforms (6 pins), sawtooth wave modulation), complementary PWM mode
(output three-phase waveforms (6 pins), triangular wave modulation), PWM3
mode (PWM output 2 pins with fixed period)