特性- Key input function for up to 30 keys
- Sleep mode feature
- Built-in display adjustment circuit
- A voltage detection type reset circuit is provided.
- Controls and drives a 5x7, 5x8, or 5x9 dot matrix LCD.
- Supports accessory display segment drive (up to 80 segments)
- Display technique: 1/8 duty 1/4 bias drive (5x7 dots): 1/9 duty 1/4 bias drive (5x8 dots): 1/10 duty 1/4 bias drive (5x9 dots)
- Display digits: 16 digits1 line (5x7 dots, 5x8 dots, 5x9 dots)
- Display control memoryCGROM: 240 characters (5x7, 5x8, or 5x9 dots)CGRAM: 16 characters (5x7, 5x8, or 5x9 dots)ADRAM: 16x5 bitsDCRAM: 64x8 bits
- Instruction functionDisplay on/off controlDisplay shift function
- The frame frequency of the common and segment output waveforms can be controlled by instructions.
- Serial data I/O supports CCB format communication with the system controller.
- Independent LCD driver block power supply VLCD
- The INH pin is provided. This pin turns off the display, disables key scanning, and forces the general-purposeoutput ports to the low level.
- RC oscillator circuit
| 优势- A key scan is performed only when a key is pressed saving power
- Reduces drain current saving power
- Allows changes to the contrast of the screen
- Allows user to initialize the PC and prevents incorrect displays
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