HT46R46 Overview
Description
The HT46R46/HT46C46 and HT46R47/HT46C47 are 8 -b it , hi g h p e r f or m a n c e, R I S C a r c h i t e ct u r e microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors. The mask version HT46C46, HT46C47 are fully pin and functionally compatible with the OTP version HT46R46, HT46R47 device.
Key Features
- Operating voltage
- 13 bidirectional I/O lines (max.)
- 1 interrupt input shared with an I/O line
- 8-bit programmable timer/event counter with overflow at VDD=5V
- 4-level subroutine nesting for HT46R46/HT46C46
- 6-level subroutine nesting for HT46R47/HT46C47
- 4 channels 9-bit resolution A/D converter interrupt and 7-stage prescaler
- On-chip crystal and RC oscillator
- Watchdog Timer
- 1024ยด14 program memory for HT46R46/HT46C46
