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Table 1. Specifications for R8C/35D Group

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
See Product Lineup.
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: 47, selectable pull-up resistor
  • High current drive ports: 47
Clock Clock
generation
circuits
  • 4 circuits:
    XIN clock oscillation circuit,
    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: 9 (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
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 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 RE
8 bits × 1
Real-time clock mode (count seconds, minutes, hours, days of week), output compare mode
Serial
Interface
UART0 Clock synchronous serial I/O/UART
UART2 Clock synchronous serial I/O/UART, I2C mode (Simple I2C), multiprocessor communication function
A/D Converter 10-bit resolution × 12 channels,
includes sample and hold function, with sweep mode
Comparator B 2 circuits
Flash Memory
  • Programming and erasure voltage: VCC=2.7 to 5.5 V
  • Programming and erasure endurance: 1,000 times (program ROM)
  • Program security: ROM code protect, ID code check
  • Debug functions: On-chip debug, on-board flash rewrite function
Operating Frequency/
Supply Voltage
f(XIN) = 20 MHz (VCC = 2.7 to 5.5 V)
f(XIN) = 5 MHz (VCC = 1.8 to 5.5 V)
Current Consumption Typ. 6.5 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Typ. 3.5 mA (VCC = 3.0 V, f(XIN) = 10 MHz)
Typ. 3.5 µA (VCC = 3.0 V, wait mode (f(XCIN) = 32 kHz))
Typ. 2.0 µA (VCC = 3.0 V, stop mode)
Operating Ambient Temperature -20 to 85 degrees C (N version)
-40 to 85 degrees C (D version) (Note 1)
Package
52-pin LQFP
Package code: PLQP0052JA-A (previous code: 52P6A-A)

Note 1. Specify the D version if D version functions are to be used.

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