R8C32A Datasheet, PDF (30/603 Pages) Renesas Technology Corp – MCU M16C FAMILY / R8C/Tiny SERIES

Under development ^{Preliminary specification}
Specifications in this manual are tentative and subject to change.
R8C/32A Group
1. Overview
1.1.2 Specifications
Tables 1.1 and 1.2 outline the Specifications for R8C/32A Group.
Table 1.1 Specifications for R8C/32A Group (1)
Item
CPU
Function
Central processing R8C/Tiny series core
Specification
unit
• 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)
500 ns (f(XIN) = 2 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 Refer to Table 1.3 Product List for R8C/32A Group.
flash
Power Supply Voltage detection • Power-on reset
Voltage
circuit
• Voltage detection 3 (detection level of voltage detection 0 and voltage
Detection
I/O Ports
Clock
Programmable I/O
ports
Clock generation
detection 1 selectable)
• Input-only: 1 pin
• CMOS I/O ports: 15, selectable pull-up resistor
• High current drive ports: 15
4 circuits: XIN clock oscillation circuit,
circuits
XCIN clock oscillation circuit (32 kHz)
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: Dividing selectable 1, 2, 4, 8, and 16
• Low power consumption modes:
Standard operating mode (high-speed clock, low-speed clock, high-speed
on-chip oscillator, low-speed on-chip oscillator), wait mode, stop mode
Real-time clock (timer RE)
Interrupts
• Number of interrupt vectors: 69
• External Interrupt: 7 (INT × 3, Key input × 4)
Watchdog Timer
• Priority levels: 7 levels
• 15 bits × 1 (with prescaler)
DTC (Data Transfer Controller)
• Reset start selectable
• Low-speed on-chip oscillator for watchdog timer selectable
• 1 channel
• Activation sources: 21
• Transfer modes: 2 (normal mode, repeat mode)
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
Timer RB
measurement mode
8 bits × 1 (with 8-bit prescaler)
Timer mode (period timer), programmable waveform generation mode (PWM
Timer RC
Timer RE
output), programmable one-shot generation mode, programmable wait one-
shot generation mode
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)
8 bits × 1
Real-time clock mode (count seconds, minutes, hours, days of week), output
compare mode
REJ09B0458-0010 Rev.0.10 Apr 01, 2008
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