
R8C/36T-A Group
1. Overview
Under development Preliminary document
Specifications in this document are tentative and subject to change.
R01UH0240EJ0010 Rev.0.10
Page 2 of 728
Aug 05, 2011
1.1.2
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
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