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HT82M99E-18 Datasheet

  • HT82M99E-18

  • USB Mouse Encoder 8-Bit OTP MCU

  • 45頁

  • HOLTEK

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HT82M99E
USB Mouse Encoder 8-Bit OTP MCU
Features
路
Flexible total solution for applications that combine
路
96 bytes RAM (20H~7FH)
路
6MHz/12MHz internal CPU clock
路
4-level stacks
路
Two 7-bit indirect addressing registers
路
One 16-bit programmable timer counter with over-
PS/2 and low-speed USB interface, such as mice,
joysticks, and many others
路
USB Specification Compliance
-
Conforms to USB specification V1.1
-
Conforms to USB HID specification V1.1
路
Supports 1 Low-speed USB control endpoint and 1
interrupt endpoint
路
Each endpoint has 8麓8 bytes FIFO
路
Integrated USB transceiver
路
3.3V regulator output
路
External 6MHz or 12MHz ceramic resonator or crys-
flow interrupt (shared with PA7, vector 0CH)
路
One USB interrupt input (vector 04H)
路
HALT function and wake-up feature reduce power
consumption
路
PA0~PA7, PB4 and PB7 support wake-up function
路
Internal Power-On reset (POR)
路
Watchdog Timer (WDT)
路
12 I/O ports
路
18/20-pin DIP, 18/20-pin SOP package
tal
路
8-bit RISC microcontroller, with 2K麓14 EPROM
(000H~7FFH)
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麓14 EPROM and 96 bytes data RAM.
Block Diagram
U S B D + /C L K
U S B D -/D A T A
V 3 3 O
U S B 1 .1
P S 2
B P
In te rru p t
C ir c u it
S T A C K
P ro g ra m
R O M
P ro g ra m
C o u n te r
IN T C
T M R L
T M R H
T M R C
M
U
X
f
S
/4
P A 7 /T M R
Y S
E N /D IS
W D T S
In s tr u c tio n
R e g is te r
M P
M
U
X
D A T A
M e m o ry
W D T P r e s c a le r
W D T
M
U
X
S Y S C L K /4
W D T O S C
P A C
In s tr u c tio n
D e c o d e r
A L U
S h ifte r
M U X
P A
P O R T A
P A 0 ~ P A 6
P A 7 /T M R
P B C
T im in g
G e n e ra to r
S T A T U S
P B
P O R T B
P B 2 ~ P B 4 ,
P B 7
O S C 2
O S
R
V
V
C 1
E S
D D
S S
A C C
Rev. 1.50
1
November 19, 2004

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