Document
Preliminary Datasheet
Specifications in this document are tentative and subject to change.
RL78/G1A
R01DS0151EJ0001
RENESAS MCU
Rev.0.01 2011.12.26
Combines Multi-channel 12-Bit A/D Converter, True Low Power Platform (as low as 66 µA/MHz, and 0.57 µA for RTC + LVD), 1.6 V to 3.6 V operation, 16 to 64 Kbyte Flash, 41 DMIPS at 32 MHz
1. OUTLINE
1.1 Features
Ultra-Low Power Technology • 1.6 V to 3.6 V operation from a single supply • Stop (RAM retained): 0.23 µA, (LVD enabled): 0.31
µA • Halt (RTC + LVD): 0.57 µA • Snooze: T.B.D. • Operating: 66 µA/MHz
16-bit RL78 CPU Core • Delivers 41 DMIPS at maximum operating frequency
of 32 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
Code Flash Memory • Density: 16 KB to 64 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: 4 KB • Erase Cycles: 1 Million (typ.) • Erase/programming voltage: 1.8 V to 3.6 V
RAM • 2 KB to 4 KB size options • Supports operands or instructions • Back-up retention in all modes
High-speed On-chip Oscillator • 32 MHz with +/− 1% accuracy over voltage (1.8 V to
3.6 V) and temperature (−20 °C to +85 °C) • Pre-configured settings: 32 MHz, 24 MHz, 16 MHz,
12 MHz, 8 MHz, 4 MHz & 1 MHz
Reset and Supply Management • Power-on reset (POR) monitor/generator • Low voltage detection (LVD) with 12 setting options
(Interrupt and/or reset function)
Data Memory Access (DMA) Controller • Up to 2 fully programmable channels • Transfer unit: 8- or 16-bit
Multiple Communication Interfaces • Up to 6 x I2C master • Up to 1 x I2C multi-master • Up to 6 x CSI/SPI (7-, 8-bit) • Up to 3 x UART (7-, 8-, 9-bit) • Up to 1 x LIN
Extended-Function Timers • Multi-function 16-bit timers: Up to 8 channels • Real-time clock (RTC): 1 channel (full calendar and
alarm function with watch correction function) • Interval Timer: 12-bit, 1 channel • 15 kHz watchdog timer: 1 channel (window function)
Rich Analog • ADC: Up to 28 channels, 12-bit resolution, 3.375 µs
conversion time • Supports 1.6 V • Internalwww.DataSheet.net/ voltage reference (1.45 V) • On-chip temperature sensor
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 • 3.6 V tolerant, high-current (up to 20 mA per pin) • Open-Drain, Internal Pull-up support
Operating Ambient Temperature • Standard: −40 °C to +85 °C
Package Type and Pin Count From 3 mm.