Group name |
RL78/L1A |
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80-pin LQFP 0.5mm Pitch |
100-pin LQFP 0.5mm Pitch |
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Code Flash Memory (KB) |
48 - 96 |
64 - 128 |
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RAM (KB) |
5.5 |
5.5 |
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Data Flash Memory (KB) |
8 |
8 |
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I/O port |
59 |
79 |
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CPU |
RL78 CPU core |
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Main System Clock |
High-speed system clock |
1 - 20MHz : Vdd=2.7 - 3.6V 1 - 8MHz : Vdd=1.8 - 2.7V |
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High-speed on-chip oscillator clock |
HS (high-speed main) operation mode : 1 – 24 MHz (Vdd=2.7 - 3.6V) HS (high-speed main) operaion mode : 1 - 16MHz (Vdd=2.4 - 3.6V) LS (low-speed main) operation mode : 1~8MHz (Vdd=1.8 - 3.6V) |
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Subsystem Clock |
32.768 kHz : Vdd=1.8 - 3.6V |
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Low-speed on-chip oscillator clock |
15 kHz (TYP) : Vdd=1.8V - 3.6V |
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Timer |
16-bit timer TAU |
8 channels(Timer outputs: 8, PWM outputs: 7 (Note 1) |
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8-bit or 16-bitinterval timer |
2 channels (8 bits)/ 1 channel (16 bit) |
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Watchdog timer |
1 channel |
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12-bit interval timer |
1 channel |
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Real-time clock 2 |
1 channel |
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RTC output |
1 channel 1 Hz (subsystem clock : fSUB = 32.768 kHz) |
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Clock output/buzzer output |
2 |
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12-bit resolution A/D converter |
10 channels |
14 channels |
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12-bit resolution D/A converter |
2 channels |
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Voltage reference |
2.5 V / 2.048 V / 1.8 V / 1.5 V |
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Operational amplifier |
Total |
3 channels |
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OpAMP with analog switches |
2 channels (2 in-out/channel) |
2 channels (4 in-out/channel) |
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Comparator |
1 channel |
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Serial interface |
CSI(SPIsupported): 1 channel/UART: 1channel/Simplified I2C: 1 channel CSI: 1 channel/UART: 1 channel/simplified I2C: 1 channelCSI: 1 channel/UART: 1 channel/simplified I2C: 1 channel CSI: 1 channel/UART: 1 channel/simplified I2C: 1 channel |
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I2Cbus |
1channel |
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LCD controller /driver |
|
Internal voltage boosting method, capacitor split method, and external resistance division method are switchable. |
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Segment signal output |
32 (28) (Note 2) |
45 (41) (Note 2) |
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Common signal output |
4 (8) (Note 2) |
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Data transfer controller (DTC) |
30 sources |
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Event link controller (ELC) |
Event input: 22, Event trigger output: 8 |
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Vectored interrupt sources |
Internal |
31 |
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External |
9 |
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Key interrupt |
8 |
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Power-on-reset circuit |
Power-on-reset:1.51±0.04 V Power-down-reset:1.50±0.04 V |
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Voltage detector |
Rising edge: 1.88 V - 3.13 V(10 stages) Falling edge: 1.84 V - 3.06 V(10 stages) |
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On-chip debug function |
Provided |
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Power supply voltage |
VDD = 1.8V - 3.6V |
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Operating ambient temperature |
TA = -40 - +85℃ |
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