HT82M99E datasheet(1/45 Pages) HOLTEK

Part #	HT82M99E

Description	USB Mouse Encoder 8-Bit OTP MCU

PDF	45 Pages

Scroll/Zoom	100%

Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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1 / 45 page

HT82M99E

USB Mouse Encoder 8-Bit OTP MCU

Block Diagram

Rev. 1.50

1

November 19, 2004

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, 2K

´14 EPROM and 96 bytes data RAM.

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 crys-

tal

· 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 over-

flow 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

O S C 2

O S C 1

R E S

V D D

M U X

T M R C

T M R L

T M R H

V S S

P r o g r a m

R O M

P r o g r a m

C o u n t e r

I n t e r r u p t

C i r c u i t

S T A C K

I N T C

D A T A

M e m o r y

I n s t r u c t i o n

R e g i s t e r

M

U

X

I n s t r u c t i o n

D e c o d e r

S T A T U S

A L U

S h i f t e r

T i m i n g

G e n e r a t o r

A C C

M

U

X

M P

S Y S C L K / 4

W D T S

W D T

W D T O S C

W D T P r e s c a l e r

M

U

X

E N / D I S

P B C

P O R T B

P B

P A C

P O R T A

P A

f S Y S / 4

P A 7 / T M R

U S B 1 . 1

P S 2

B P

U S B D + / C L K U S B D - / D A T A V 3 3 O

P A 0 ~ P A 6

P A 7 / T M R

P B 2 ~ P B 4 ,

P B 7

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HT82M99E Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

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