ht82m99e Holtek Semiconductor Inc., ht82m99e Datasheet

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ht82m99e

Manufacturer Part Number
ht82m99e
Description
Ht82m99e/ht82m99a -- Usb Mouse Encoder 8-bit Mcu
Manufacturer
Holtek Semiconductor Inc.
Datasheet

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Technical Document
Features
General Description
The USB MCU OTP body is suitable for USB mouse de-
vices. It consists of a Holtek high performance 8-bit
MCU core for control unit, built-in USB SIE, 2K 14 ROM
and 96 bytes data RAM.
Rev. 2.20
Tools Information
FAQs
Application Note
Flexible total solution for applications that combine
PS/2 and low-speed USB interface, such as mice,
joysticks, and many others
USB Specification Compliance
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)
Conforms to USB specification V2.0
Conforms to USB HID specification V2.0
USB Mouse Encoder 8-Bit MCU
1
The mask version HT82M99A is fully pin and functionally
compatible with the OTP version HT82M99E device.
HT82M99E/HT82M99A
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-pin DIP/SOP package
20-pin DIP/SOP/SSOP (150mil) package
April 16, 2008

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