Renesas Electronics Corporation
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RL78/L12 Block Diagram

R5F10RG8AFB#X0

Obsolete
Compact LCD Microcontrollers with Low Power Consumption, Suitable for Small Appliances and Healthcare Devices
RL78/L12 Data SheetRL78/L12 User's Manual: HardwareLearn more about RL78/L12

Package Information

CAD Model:View CAD Model
Pkg. Type:LFQFP
Pkg. Code:pkg_11809
Lead Count (#):48
Pkg. Dimensions (mm):7 x 7 x 1.6
Pitch (mm):0.5

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)3
ECCN (US)EAR99
HTS (US)8542.31.0020
RoHS (R5F10RG8AFB#X0)EnglishJapanese
Pb (Lead) FreeYes

Product Attributes

Carrier TypeTape & Reel
Family NameRL78
Series NameRL78/L1x
Group NameL12
CPU ArchitectureRL78
Main CPURL78-S2
Sub CPUNo
Floating Point UnitNo
Bit Length16
Program Memory (KB)8
Data Flash (KB)2
RAM (KB)1
ECC SRAMNo
Lead Count (#)48
Pitch (mm)0.5
Pkg. Dimensions (mm)7 x 7 x 1.6
Number of Supply Voltage(s) (#)1
Supply Voltage (V)1.6 - 5.5
I/O Ports33
DMAC or DTCDMAC
DMA (ch)2
Temperature Sensor (ch) (#)1
Power-On ResetYes
Watchdog Timer (ch)1
External Memory Bus (bit)No
DRAM I/FNo
3D GPUNo
AcceleratorNo
MOQ2000
Temp. Range (°C)Ta = -40 to +85
External Interrupt Pins (#)7
LVD or PVDYes
Operating Freq (Max) (MHz)24
Sub-clock (32.768 kHz)Yes
On-chip OscillatorYes
Ethernet speedNo
Ethernet (ch)0
EtherCat (ch) (#)0
USB Ports (#)0
USB FS (host ch/device ch)( 0 / 0 )
USB HS (host ch/device ch)( 0 / 0 )
USB SS (host ch/device ch)( 0 / 0 )
PCI Express (generation and ch)No
SCI or UART (ch)1
SPI (ch)2
QSPI (ch)0
OSPI (ch)0
I2C (#)1
I3C (ch)0
CAN (ch)0
CAN-FD (ch)0
WirelessNo
IrDANo
LIN (#)1
SDHI (ch)0
High Resolution Output TimerNo
PWM Output (pin#)5
32-Bit Timer (ch)0
16-Bit Timer (ch) (#)8
8-Bit Timer (ch)0
Standby operable timerNo
Asynchronous General Purpose Timer / Interval Timer (ch)1
RTCYes
16-Bit A/D Converter (ch)0
14-Bit A/D Converter (ch)0
12-Bit A/D Converter (ch)0
10-Bit A/D Converter (ch)9
24-Bit Sigma-Delta A/D Converter (ch)0
16-Bit D/A Converter (ch)0
12-Bit D/A Converter (ch)0
10-Bit D/A Converter (ch) (#)0
8-Bit D/A Converter (ch)0
Analog Comparator (ch)0
OPAMP (ch) (#)0
PGA (ch)0
Capacitive Touch Sensing Unit (ch)0
Graphics LCD ControllerNo
MIPI Interfaces (DSI) (ch)0
MIPI Interfaces (CSI) (ch)0
Camera I/F (Parallel)No
Image CodecNo
2D Drawing EngineNo
Segment LCD ControllerYes
SSI (ch)0
Security & EncryptionNo
Debug InterfaceSingle wire serial
Moisture Sensitivity Level (MSL)3
12-Bit Timer (ch)1
32-Bit High Res Timer (ch)0
ADC10-bit x 9-ch
ApplicationLCD
Asynchronous General Purpose Timer (ch)0
Bit Size16
CPURL78
DMAYes
DTC (ch)0
Delta-Sigma A/D ConverterNo
EthernetNo
Family NameRL78
Group NameL12
High-Speed Analog Comparator (ch)0
Human Machine InterfaceLCD Segment Count x 176
Lead CompliantYes
Length (mm)7
Low-Power Analog Comparator (ch)0
Pb (Lead) FreeYes
Pkg. TypeLFQFP
Replacement ProductR5F10RG8AFB#50
Replacement RemarkSwitching to copper wire products and adding the factory
SPI (#)0
Suggested KitsRSK RL78/L12,RSK RL78/L12
Tape & ReelNo
Thickness (mm)1.6
Timer12-bit x 1-ch, 16-bit x 8-ch
UART (#)1
USBFS (ch)0
USBHS (ch)0
Width (mm)7

Description

RL78/L12 microcontrollers have a built-in segment LCD driver. Three LCD driving voltage generation methods (external resistance division, capacitive split, and internal voltage boost) are supported, corresponding to a variety of segment LCD panels. They realize low current consumptionNote 1: external resistance division: 1.60 μANote 2, internal voltage boost: 1.19 μA, and capacitive split: 0.68 µA. With a lineup of 32 to 64-pin products supporting up to 280 segments, these microcontrollers are perfect for small devices with built-in LCD panels such as small appliances and healthcare devices.

Note 1: Current (typ.) at 1/3 bias, subclock operation, HALT mode, and RTC operation.

Note 2: Resistance value for external resistance division = 1000 kΩ.

Learn more about RL78/L12