R8C/2H Group, R8C/2J Group 1. Overview
Rev.1.00 Mar 28, 2008 Page 2 of 65
REJ03B0217-0100
NOTE:
1. Specify the D version if D version functions are to be used.
Table 1.1 Specifications for R8C/2H Group
Item Function Specification
CPU Central processing
unit
R8C/Tiny series core
• Number of fundamental instructions: 89
• Minimum instruction execution time:
125 ns (System clock = 8 MHz, VCC = 2.7 to 5.5 V)
250 ns (System clock = 4 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 1.3 Product List for R8C/2H Group.
Power Supply
Voltage
Detection
Voltage detection
circuit
• Power-on reset
• Voltage detection 3
Comparator • 2 circuits (shared with voltage monitor 1 and voltage monitor 2)
• External reference voltage input is available
I/O Ports • Output-only: 1
• CMOS I/O ports: 15, selectable pull-up resistor
Clock Clock generation
circuits
• 2 circuits: On-chip oscillator (high-speed, low-speed)
(high-speed on-chip oscillator has a frequency adjustment function),
XCIN clock oscillation circuit (32 kHz)
• Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16
• Low power consumption modes:
Standard operating mode (low-speed clock, high-speed on-chip oscillator,
low-speed on-chip oscillator), wait mode, stop mode
Real-time clock (timer RE)
Interrupts • External: 3 sources, Internal: 17 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 RE 8 bits × 1
Real-time clock mode (count seconds, minutes, hours, days of week), output
compare mode
Timer RF 16 bits × 1 (with capture/compare register pin and compare register pin)
Input capture mode, output compare mode
Serial
Interface
UART0, UART2 Clock synchronous serial I/O/UART × 2
LIN Module Hardware LIN: 1 (timer RA, UART0)
Flash Memory • Programming and erasure voltage: VCC = 2.7 to 5.5 V
• Programming and erasure endurance: 100 times
• Program security: ROM code protect, ID code check
• Debug functions: On-chip debug, on-board flash rewrite function
Operating Frequency/Supply
Voltage
System clock = 8 MHz (VCC = 2.7 to 5.5 V)
System clock = 4 MHz (VCC = 2.2 to 5.5 V)
Current consumption 5 mA (VCC = 5 V, system clock = 8 MHz)
23 µA (VCC = 3 V, wait mode (low-speed on-chip oscillator on))
0.7 µA (VCC = 3 V, stop mode, BGR trimming circuit disabled)
Operating Ambient Temperature -20 to 85°C (N version)
-40 to 85°C (D version)
(1)
Package 20-pin LSSOP
Package code: PLSP0020JB-A (previous code: 20P2F-A)
