Datasheet
R01DS0168EJ0230
Rev.2.30
RL78/L13
RENESAS MCU
Aug 31, 2023
Integrated LCD controller/driver, True Low Power Platform (as low as 71 μA/MHz, and 0.61 μA for RTC + LVD),
1.6 V to 5.5 V operation, 16 to 128 Kbyte Flash, 31 DMIPS at 24 MHz, for All LCD Based Applications
1. OUTLINE
1.1 Features
Ultra-low power consumption technology
● VDD = single power supply voltage of 1.6 to 5.5 V which can
operate a 1.8 V device at a low voltage
● HALT mode
Serial interface
● Simplified SPI (CSI Note1): 2 channels
● UART/UART (LIN-bus supported): 3, 4 channels/1 channel
● I2C/Simplified I2C communication: 1 channel/2 channels
● STOP mode
● SNOOZE mode
Timer
● 16-bit timer: 8 channels (with remote control output function)
● 16-bit timer KB20 (IH): 1 channel
(IH-only PWM output function)
● 12-bit interval timer: 1 channel
● Real-time clock 2: 1 channel (calendar for 99 years, alarm
function, and clock correction function)
● Watchdog timer: 1 channel (operable with the dedicated low-
speed on- chip oscillator)
RL78 CPU core
● CISC architecture with 3-stage pipeline
● Minimum instruction execution time: Can be changed from
high speed (0.04167 µs: @ 24 MHz operation with high-
speed on-chip oscillator) to ultra-low speed (30.5 µs: @
32.768 kHz operation with subsystem clock)
● Address space: 1 MB
● General-purpose registers: (8-bit register × 8) × 4 banks
● On-chip RAM: 1 to 8 KB
A/D converter
● 8/10-bit resolution A/D converter (VDD = 1.6 to 5.5 V)
● Analog input: 9 to 12 channels
● Internal reference voltage (1.45 V) and temperature
sensorNote 2
Code flash memory
● Code flash memory: 16 to 128 KB
● Block size: 1 KB
● Prohibition of block erase and rewriting (security function)
● On-chip debug function
● Self-programming (with boot swap function/flash shield
window function)
Comparator
● 2 channels
● Operation mode: Comparator high-speed mode, comparator
low-speed mode, or window mode
● External reference voltage and internal reference voltage are
selectable
Data flash memory
● Data flash memory: 4 KB
● Back ground operation (BGO): Instructions can be executed
from the program memory while rewriting the data flash
memory.
● Number of rewrites: 1,000,000 times (TYP.)
● Voltage of rewrites: VDD = 1.8 to 5.5 V
LCD controller/driver
● Segment signal output: 36 (32)Note 3 to 51 (47)Note 3
● Common signal output: 4 (8)Note 3
● Internal voltage boosting method, capacitor split method, and
external resistance division method are switchable
High-speed on-chip oscillator
● Select from 48 MHz, 24 MHz, 16 MHz, 12 MHz, 8 MHz, 6
MHz, 4 MHz, 3 MHz, 2 MHz, and 1 MHz
I/O port
● I/O port: 49 to 65 (N-ch open drain I/O [withstand voltage of 6
V]: 2, N-ch open drain I/O [VDD withstand voltage]: 12 to 18)
● Can be set to N-ch open drain, TTL input buffer, and on-chip
pull-up resistor
● High accuracy: ±1.0 % (VDD = 1.8 to 5.5 V, TA = -20 to +85°C)
Operating ambient temperature
● TA = -40 to +85°C (A: Consumer applications)
● TA = -40 to +105°C (G: Industrial applications)
● Different potential interface: Can connect to a 1.8/2.5/3 V
device
● On-chip key interrupt function
● On-chip clock output/buzzer output controller
Power management and reset function
● On-chip power-on-reset (POR) circuit
● On-chip voltage detector (LVD) (Select interrupt and reset
from 14 levels)
Others
● On-chip BCD (binary-coded decimal) correction circuit
DMA (Direct Memory Access) controller
● 4 channels
● Number of clocks during transfer between 8/16-bit SFR and
internal RAM: 2 clocks
Notes 1. Although the CSI function is generally called SPI, it is
also called CSI in this product, so it is referred to as
such in this manual.
<R>
2. Can be selected only in HS (high-speed main) mode
3. The values in parentheses are the number of signal
outputs when 8 com is used.
Multiplier and divider/multiply-accumulator
● 16 bits × 16 bits = 32 bits (Unsigned or signed)
● 32 bits ÷ 32 bits = 32 bits (Unsigned)
Remark The functions mounted depend on the product. See
1.6 Outline of Functions.
● 16 bits × 16 bits + 32 bits = 32 bits (Unsigned or signed)
* There are differences in specifications between every product.
Please refer to specification for details.
R01DS0168EJ0230 Rev.2.30
Aug 31, 2023
Page 1 of 141
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