Datasheet Details
| Part number | HT49R70A-1 |
|---|---|
| Manufacturer | Holtek Semiconductor |
| File Size | 348.71 KB |
| Description | LCD Type 8-Bit MCU |
| Datasheet |
 HT49R70A-1 Datasheet
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General Description
The HT49R70A-1/HT49C70-1/HT49C70L are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for a wide range of LCD applications.
The mask version HT49C70-1 and HT49C70L are fully pin and functionally compatible with the OTP version HT49R70A-1 device.
Key Features
- Operating voltage:.
- Buzzer output.
- On-chip crystal, RC and 32768Hz crystal oscillator.
- HALT function and wake-up feature reduce power fSYS=4MHz: 2.2V~5.5V for HT49R70A-1/HT49C70-1 fSYS=8MHz: 3.3V~5.5V for HT49R70A-1/HT49C70-1 fSYS=500kHz: 1.2V~2.2V for HT49C70L.
- 8 input lines.
- 16 bidirectional I/O lines.
- Two external interrupt input.
- One 8-bit and one 16-bit programmable timer/event consumption.
- 16-level subroutine nesting.
- Bit manipulation in.