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RL78/G1A Smart Industrial Sensor Reference Microcontroller IO-Link0 pages
RL78/G1A
Smart Industrial Sensor Reference Microcontroller
The Renesas Electronics’ RL78 is the microcontroller of choice for industrial sensor applications. It offers
ultimate low power consumption ranked among the best in the industry. In addition to reduced current
consumption down to 66 µA/MHz, the RL78/G1A offers multiple new features for IEC61131-9 IO-Link
application support. These include ultra-small scale packages, up to 64 KB programmable flash memory
with 1.8 V operating voltage, high accuracy 12-bit A/D converters, up to 32 MHz high speed on-chip
oscillator with +/- 1% accuracy over temperature and voltage ranges. The RL78/G1A also features 4 KB
on-chip Data Flash with background operation for IO-Link sensor data storage, numerous advanced safety
features IEC or UL60730 compliant, an on-chip temperature sensor, 16-bit multi-function timers, and multiple
high-speed serial communication channels for interfacing with sensor components. Two fully programmable
DMA channels ensure high speed data transfer between peripherals without affecting the CPU load.
Fully tested RL78 smart IO-Link Device stack with independent board support package for various
IO-Link transceiver ICs, is available from Renesas alliance partner. The stack is designed according to
IO-Link specification V1.1, including data storage, and more.
Applications
●● Smart industrial sensorst
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Miniature Smart IO-Link sensors t
Key Benefits
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Rich analog functionality ideal for sensor applications and general cost reduction
Temperature sensor for measuring temperature within the chip to ease adjustments
Various communication interfaces that allow easy connection of various modems
System cost effective features
Wide temperature operation
Renesas alliance partner support for smart IO-Link Device stack firmware integration
Block Diagram
Communication
System
6 x I2C
DMA
Master
1 x I2C
Multi-Master
6 x CSI
7-, 8-bit
3 x UART
7-, 8-, 9-bit
1 x LIN
1 ch
Safety
Timers
Timer Array Unit
RAM
16-bit, 8 ch
Memory
Parity Check
Interval Timer
Program Flash
12-bit, 1 ch
WDT
up to 64 KB
SRAM
17-bit, 1 ch
up to 4 KB
RTC
Data Flash
Calendar
www.renesas.eu
up to 4 KB
Analog
ADC
12-bit, 28 ch
Internal Vref
Temp. Sensor
ADC
Self-diagnostic
Clock
Monitoring
Memory
CRC
2 ch
Interrupt Controller
4 levels, 22 pins
Clock Generation
Internal, External
POR, LVD
MUL/DIV/MAC
Debug
Single-Wire
Power Management
HALT
RTC, DMA enabled
SNOOZE
Serial, ADC enabled
STOP
SRAM on
2013.11
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