R8C/36T-A Group 1. Overview
R01DS0055EJ0100 Rev.1.00 Page 2 of 58
Dec 09, 2011
1.1.2 Specifications
Tables 1.1 and 1.2 outline Specifications.
Table 1.1 Specifications (1)
Item Function Description
CPU Central
processing unit
R8C CPU core
• Number of fundamental instructions: 89
• Minimum instruction execution time:
50 ns (CPU clock = 20 MHz, VCC = 2.7 V to 5.5 V)
200 ns (CPU clock = 5 MHz, VCC = 1.8 V to 5.5 V)
• Multiplier: 16 bits × 16 bits 32 bits
• Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits 32 bits
• Operating mode: Single-chip mode (address space: 1 Mbyte)
Memory ROM, RAM,
data flash
Refer to Table 1.3 Product List.
Voltage
detection
Voltage detection
circuit
• Power-on reset
• Voltage detection with three check points (the detection levels for voltage
detection 0 and voltage detection 1 can be selected.)
I/O ports Programmable
I/O ports
• Input only: 1
• CMOS I/O: 59, selectable pull-up resistor
• High current drive ports: 59
Clock Clock generation
circuits
• 4 circuits: XIN clock oscillation circuit, XCIN clock oscillation circuit,
high-speed on-chip oscillator (with frequency adjustment function),
low-speed on-chip oscillator
• Oscillation stop detection: XIN clock oscillation stop detection function
• Frequency divider circuit: Divided by 1, 2, 4, 8, or 16 can be selected
• Low-power mode: Standard operating mode (high-speed clock, low-speed
clock, high-speed on-chip oscillator, low-speed on-chip
oscillator), wait mode, stop mode
Interrupts • Number of interrupt vectors: 69
• External interrupt inputs: 9 (INT
× 5, key input × 4)
• Priority levels: 7
Event link controller (ELC) • Events output from peripheral functions can be linked to events input to
different peripheral functions.
(30 sources × 10 types of event link operations)
• Events can be handled independently from interrupt requests.
Watchdog timer • 14 bits × 1
• Selectable reset start function
• Selectable low-speed on-chip oscillator for the watchdog timer
DTC (data transfer controller) • 1 channel
• Activation sources: 27
• Transfer modes: 2 (normal mode, repeat mode)
Timer Timers RJ_0 16 bits × 1: 1 circuit integrated on-chip
Timer mode (periodic timer), pulse output mode (output level inverted every
period), event counter mode, pulse width measurement mode, pulse period
measurement mode
Timer RB2_0 16 bits × 1: 1 circuit integrated on-chip
Timer mode (periodic timer), programmable waveform generation mode
(PWM output), programmable one-shot generation mode, programmable wait
one-shot generation mode
Timers RC_0 16 bits (with 4 capture/compare registers) × 1: 1 circuit integrated on-chip
Timer mode (input capture function, output compare function), PWM mode
(output: 3 pins), PWM2 mode (PWM output: 1 pin)
Timer RE2 8 bits × 1
Compare match timer mode, real-time clock mode
