低功耗平臺(63 μA/MHz)，適用于通用應(yīng)用，1.8 v-5.5 v工作;_2-16千字節(jié)的代碼閃存，31 DMIPS在24 MHZ
Ultra-low power consumption technology
? VDD = single power supply voltage of 1.8 to 5.5 V which
can operate at a low voltage
? HALT mode
? STOP mode
? SNOOZE mode
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 (1 μs:@ 1 MHz operation)
? Address space: 1 MB
? General-purpose registers: (8-bit register x 8) x 4 banks
? On-chip RAM: 256 B to 2 KB
Code flash memory
? Code flash memory: 2 to 16 KB
? Block size: 1 KB
? Prohibition of block erase and_rewriting (security
function)
? On-chip debug function
? Self-programming (with flash shield window function)
Data flash memory Note2
? Data flash memory: 2 KB
? Back ground operation (BGO): Instructions are
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
High-speed on-chip oscillator
? Select from 24 MHz, 16 MHz, 12 MHz, 8 MHz, 6 MHz,
4 MHz, 3 MHz, 2 MHz, and_1 MHz
? High accuracy: +/- 1.0 %_(VDD = 1.8 to 5.5 V, TA = -20to +85 °C)
Operating ambient temperature
? TA = -40 to +85 °C (A: Consumer applications, D:
Industrial applications)
? TA = -40 to +105 °C (G: Industrial applications) Note2
Power management and_reset function
? On-chip power-on-reset (POR) circuit
? On-chip voltage detector (LVD) (Select interrupt andreset from 12 levels)
? 2 channels
? Number of clocks during transfer between 8/16-bit SFR
and_internal RAM: 2 clocks
Multiplier and_divider/multiply-accumulator
? 16 bits x 16 bits = 32 bits (Unsigned or signed)
? 32 bits x 32 bits = 32 bits (Unsigned)
? 16 bits x 16 bits + 32 bits = 32 bits (Unsigned or
signed)
Serial interface
? Simplified SPI (CSI Note1): : 1 to 3 channels
? UART : 1 to 3 channels
? Simplified I2C communication : 0 to 3 channels
? I2C communication : 1 channel
Timer
? 16-bit timer : 4 to 8 channels
? 12-bit interval timer : 1 channel
? Watchdog timer : 1 channel (operable with the
dedicated low-speed on-chip
oscillator)
A/D converter
? 8/10-bit resolution A/D converter (VDD = 1.8 to 5.5 V)
? 8 to 11 channels, internal reference voltage (1.45 V),
and_temperature sensor Note2
I/O port
? I/O port: 18 to 26
(N-ch open drain I/O [withstand_voltage of 6 V]: 2,
N-ch open drain I/O [VDD withstand_voltage]: 4 to 9)
? Can be set to N-ch open drain, TTL input buffer, and_on-chip pull-up resistor
? Different potential interface: Can connect to a 1.8/2.5/3
