HT82***9E/HT82***9A -- USB Mouse Encoder 8-Bit MCU
General Description
The USB MCU OTP body is suitable for USB mouse devices. It c***ists of a Holtek high performance 8-bit MCU core for control unit, built-in USB SIE, 2Kx14 ROM and 96 bytes data RAM.
The mask version HT82***9A is fully pin and functionally compatible with the OTP version HT82***9E device.
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Features
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Flexible total solution for applicati*** that combine PS/2 and low-speed USB interface, such as mice, joysticks, and many others
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USB Specification Compliance
- Conforms to USB specification V2.0
- Conforms to USB HID specification V2.0
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Supports 1 Low-speed USB control endpoint and 1 interrupt endpoint
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Each endpoint has 8x8 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 2K×14 EPROM (000H~7FFH)
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96 bytes RAM (20H~7FH)
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6MHz/12MHz internal CPU clock
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4-level stacks
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Two 7-bit indirect addressing registers
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One 16-bit programmable timer counter with 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 c***umption
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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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12 I/O ports
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16-pin NSOP, 18-pin DIP/SOP and 20-pin DIP/SOP/SSOP (150mil) package
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