Datasheet

R7F0C903-908

RENESAS MCU

True Low Power Platform (as low as 66 µA/MHz, and 0.57 µA for LVD), 1.6 V to 5.5 V

operation, 16 to 48 Kbyte Flash, 31 DMI PS at 24 MHz, for General Purpose Applications

Page 1 of 96

R01DS0237EJ0100

Rev.1.00

Jun 05, 2014

R01DS0237EJ0100 Rev.1.00

Jun 05, 2014

1. OUTLINE

1.1 Features

Ultra-Low Power Technology

 1.6 V to 5.5 V operation from a single supply

 Stop (RAM retained): 0.23 µA, (LVD enabled): 0.31

µA

 Halt (LVD): 0.57 µA

 Snooze: 0.70 mA (UART), 1.20 mA (ADC)

 Operating: 66 µA/MHz

16-bit RL78 CPU Core

 Delivers 31 DMIPS at maximum operating frequency

of 24 MHz

 Instruction Execution: 86% of instructions can be

executed in 1 to 2 clock cycles

 CISC Architecture (Harvard) with 3-stage pipeline

 Multiply Signed & Unsigned: 16 x 16 to 32-bit result in

1 clock cycle

 MAC: 16 x 16 to 32-bit result in 2 clock cycles

 16-bit barrel shifter for shift & rotate in 1 clock cycle

 1-wire on-chip debug function

Main Flash Memory

 Density: 16 KB to 48 KB

 Block size: 1 KB

 On-chip single voltage flash memory with protection

from block erase/writing

 Self-programming with secure boot swap function

and flash shield window function

Data Flash Memory

 Data Flash with background operation

 Data flash size: 2 KB size option or none

 Erase Cycles: 1 Million (typ.)

 Erase/programming voltage: 1.8 V to 5.5 V

RAM

 2 KB or 3 KB size options

 Supports operands or instructions

 Back-up retention in all modes

High-speed On-chip Oscillator

 24 MHz with +/ 1% accuracy over voltage (1.8 V to

5.5 V) and temperature (20 °C to 85 °C)

 Pre-configured settings: 24 MHz, 16 MHz, 12 MHz, 8

MHz, 6 MHz, 4 MHz, 3 MHz, 2 MHz,

and 1 MHz

Reset and Supply Management

 Power-on reset (POR) monitor/generator

 Low voltage detection (LVD) with 14 setting options

(Interrupt and/or reset function)

Data Memory Access (DMA) Controller

 2 channels

 Transfer unit: 8- or 16-bit

Multiple Communication Interfaces

 1 x I

C multi-master

 Up to 3 x CSI/UART/Simple IIC

Extended-Function Timers

 Multi-function 16-bit timers: Up to 8 channels

 Interval Timer: 12-bit, 1 channel

 15 kHz watchdog timer : 1 channel (window function)

Rich Analog

 ADC: Up to 8 channels, 10-bit resolution, 2.1 µs

conversion time

 Supports 1.6 V

 Internal voltage reference (1.45 V)

Safety Features (IEC or UL 60730 compliance)

 Flash memory CRC calculation

�� RAM parity error check

 RAM write protection

 SFR write protection

 Illegal memory access detection

 Clock stop/ frequency detection

 ADC self-test

General Purpose I/O

 5V tolerant, high-current (up to 20 mA per pin)

 Open-Drain, Internal Pull-up support

 Different potential interface support: Can connect to

a 1.8/2.5/3 V device

Operating Ambient Temperature

 Standard: 40 °C to +85 °C

Package Type and Pin Count

32-pin LQFP (7 x 7 mm, 0.8 mm pitch)