Japan English
RL78/D1A
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Product Overview:
The RL78/D1A is the successor of 78K0/Dx2 and suited for car instrumentation cluster and built-in car instrumentation cluster dedicated features such as Sound Generator, Stepper Motor Controller/Driver and LCD Segment Controller/Driver etc.
Pin Count / Memory Size Lineup:
Block Diagram:
Key Features:
| 48-pin | 64-pin | 80-pin | 100-pin | ||
|---|---|---|---|---|---|
| Memory Space | 1 MB | ||||
| Register | General purpose register 8 bits x 32 registers (8 bits x 8 registers x 4 banks) | ||||
| Clock | High-speed system clock : 1 to 20 MHz (VDD = 2.7 to 5.5 V) On-chip high-speed oscillator: 32, 24, 16, 8, and 4 MHz (Ta=-40 to 85℃)/ 24, 16, 8, and 4 MHz (Ta=-40 to 105℃) On-chip low-speed oscillator: 15 kHz, Subsystem clock： 32.768 kHz | ||||
| I/O Port (I/O, In, Out) | 38 (35, 3, 0) | 54 (49, 5, 0) | 68 (63, 5, 0) | 84 (78, 5, 1) | |
| Timer | 16-bit : 8 ch x 3 units / RTC 1 ch/ Watchdog timer 1 ch | ||||
| 10-bit A/D converter | 3+2 | 3+2 | 6+2 | 7+2 | |
| Serial interface | CSI | 2 ch | 3 ch | ||
| I2C | 1 ch | ||||
| LIN/UART | 1 ch | 2 ch | |||
| CAN | 0/1 ch | 0/1 ch | 0/1 ch | 1/2 ch | |
| DMA controller | 2 ch | 4 ch | |||
| Stepper motor driver/ controller with zero point detection | 1 ch | 2 ch | 4 ch | ||
| LCD driver/controller | 27 seg. x 4 com. | 39 seg. x 4 com. | 48 seg. x 4 com. | 53 seg. x 4 com. | |
| Sound Generator | Yes | ||||
| Power supply voltage | 2.7 to 5.5 V | ||||
| Operating ambient temperature | J grade products Ta= -40 to 85℃ / L grade products Ta= -40 to 105℃ | ||||
Key Applications:
Low-end car instrument cluster
Product Lineup:
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