HT82J97E

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HT82J97E	HOLTEK	08+	11000	SOP-28

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The USB MCU body HT82J97E is suitable for USB mouse and USB joystick devices. HT82J97E consists of a Holtek high performance 8-bit MCU core for control unit, built-in USB SIE, 2K¡Á14 EPROM and 96 bytes data RAM.
 -- USB Joystick Encoder 8-Bit MCU HT82J97E    µÄÏêϸ½éÉÜ

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¡Á8 bytes FIFO
Integrated USB transceiver
3.3V regulator output
External 6MHz or 12MHz ceramic resonator or crystal
8-bit RISC microcontroller, with 2K¡Á14 EPROM (000H~7FFH)
96 bytes RAM (20H~7FH)
6MHz/12MHz internal CPU clock
4-level stacks
Two 8-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 support wake-up function
Internal Power-On reset (POR)
Watchdog Timer (WDT)
20 I/O ports (including 2-PWM output, PC2, PC3)
2 PWM output (PC2, PC3)
Can produce PWM frequency range from 23Hz to 23kHz
Built-in 8-bit Analog-to-Digital Converter, (6-channel for internal mode (PB0~PB5), 6-channel for external mode with VHL (PB7) and VRL (PB6))
20/28-pin SOP package