R8C/36A Group
1. Overview
REJ03B0265-0110 Rev.1.10 Sep 28, 2009
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
1.1.2
Specifications
Tabl
es 1.1 and
1.2 outline the Specifications for R8C/36A Group.
Table 1.1
Specifications for R8C/36A Group (1)
Item
Function
Specification
CPU
Central processing
unit
R8C CPU core
Number of fundamental instructions: 89
Minimum instruction execution time:
50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V)
200 ns (f(XIN) = 5 MHz, VCC = 1.8 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,
Data flash
Refer to Table 1.3 Product List for R8C/36A Group Power Supply
Voltage
Detection
Voltage detection
circuit
Power-on reset
Voltage detection 3 (detection level of voltage detection 0 and voltage
detection 1 selectable)
I/O Ports
Programmable I/O
ports
Input-only: 1 pin
CMOS I/O ports: 59, selectable pull-up resistor
Clock
Clock generation
circuits
3 circuits: XIN clock oscillation circuit,
XCIN clock oscillation circuit (32 kHz),
Low-speed on-chip oscillator
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, low-speed clock, low-speed on-
chip oscillator), wait mode, stop mode
Real-time clock (timer RE)
Interrupts
Interrupt Vectors: 69
External: 9 sources (INT × 5, key input × 4)
Priority levels: 7 levels
Watchdog Timer
14 bits × 1 (with prescaler)
Reset start selectable
Low-speed on-chip oscillator for watchdog timer selectable
DTC (Data Transfer Controller)
1 channel
Activation sources: 39
Transfer modes: 2 (normal mode, repeat mode)
Timer
Timer RA
8 bits (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)