HT82M9AE/HT82M9AA
USB Mouse Encoder 8-Bit MCU
Technical Document
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Features
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Flexible total solution for applications that combine
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6MHz/12MHz internal CPU clock
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4-level stacks
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Two 8-bit indirect addressing registers
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One 16-bit programmable timer counter with
PS/2 and low-speed USB interface, such as mice,
joysticks, and many others
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USB Specification Compliance
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Conforms to USB specification V2.0
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Conforms to USB HID specification V2.0
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Supports 1 low-speed USB control endpoint and
overflow interrupt (shared with PA7, vector 0CH)
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One USB interrupt input (vector 04H)
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HALT function and wake-up feature reduce power
2 interrupt endpoint
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Each endpoint has 8 bytes FIFO
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Integrated USB transceiver
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3.3V regulator output
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External 6MHz or 12MHz ceramic resonator or crystal
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8-bit RISC microcontroller, with 4K´15 program
consumption
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PA0~PA7, PB4 and PB7 support wake-up function
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Internal Power-On reset (POR)
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Watchdog Timer (WDT)
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16 I/O ports
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20-pin SOP/SSOP package
memory (000H~FFFH)
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224 bytes RAM (20H~FFH)
24-pin SSOP package
32-pin QFN package
General Description
The USB MCU OTP body is suitable for USB mouse
and USB joystick devices. It consists of a Holtek high
performance 8-bit MCU core for control unit, built-in
USB SIE, 4K´15 ROM and 224 bytes data RAM.
The mask version HT82M9AA is fully pin and functionally
compatible with the OTP version HT82M9AE device.
Rev. 1.90
1
October 21, 2009
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
