简单介绍
The USB MCU OTP body HT82M99E is suitable for USB mouse and USB joystick devices. HT82M99E consists of a Holtek high performance 8-bit MCU core for control unit, built-in USB SIE, 2K×14 EPROM and 96 bytes data RAM.
-- USB Mouse Encoder 8-Bit OTP MCU HT82M99E 的详细介绍
Features
Flexible total solution for applications that combine PS/2 and low-speed USB interface, such as mice, joysticks, and many others
USB Specification Compliance
- Conforms to USB specification V1.1
- Conforms to USB HID specification V1.1
Supports 1 Low-speed USB control endpoint and 1 interrupt endpoint
Each endpoint has 8×8 bytes FIFO
Integrated USB transceiver
3.3V regulator output
External 6MHz or 12MHz ceramic resonator or crystal
8-bit RISC microcontroller, with 2K×14 EPROM (000H~7FFH)
96 bytes RAM (20H~7FH)
6MHz/12MHz internal CPU clock
4-level stacks
Two 7-bit indirect addressing registers
One 16-bit programmable timer counter with overflow interrupt (shared with PA7, vector 0CH)
One USB interrupt input (vector 04H)
HALT function and wake-up feature reduce power consumption
PA0~PA7, PB4 and PB7 support wake-up function
Internal Power-On reset (POR)
Watchdog Timer (WDT)
12 I/O ports
18/20-pin DIP, 18/20-pin SOP package
