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PDF HT6513B Data sheet ( Hoja de datos )
| Número de pieza | HT6513B | |
| Descripción | M+ Plug & Play Mouse Controller | |
| Fabricantes | Holtek Semiconductor | |
| Logotipo |  |
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HT6513B
M+ Plug & Play Mouse Controller
Features
· Supports optomechanical mouse
· In M+ mode, compatible with Plug and Play
· Fit a defined Windows 95 class name in
M+ mode
· Uses 32.768kHZ crystal
· Crystal oscillator circuits on chip
· 1200/9600 baud rate serial output
· Power directly from RS-232C without
external power supply
General Description
The HT6513B is specially designed for PnP com-
patible mouse controller. Capable of driving up
to 3 key-switches and 4 photo-couplers
(optomechanical mouse) directly into a standard
Block Diagram
· Three key-switches and four photo-coupler
inputs
· Compatible with both M+ and Mouse
systems
· Microsoft system mode with middle key
supported
· Mouse mode (M+/PC) changeable during
power on reset
· RXD with heavy NMOS open drain output
RS-232C line, and it can be operated without an
external power supply. It is compatible with
both M+ and Mouse systems with false entries
being prevented by internal debounce circuits.
X1
X2
Y1
Y2
TEST
L
M
R
MS
O SCI
O SCO
C o m p a ra to r
a n d M o tio n
D e te c to r
D ebounce
O s c illa to r
C ir c u it
M o d e S e le c to r
T im in g
C o n tro l
H B _LB
P lu g & P la y
ID
C o n v e rte r
D a ta
C om m and
D ecoder
R TS
D a ta O u tp u t
RXD
1 February 1, 2000
1 page  
HT6513B
A.C. Characteristics
Ta=25°C
Symbol
fSYS
fP
fN
tKD
tMS
tMI
tMP
tS
tD
tP
tRD
tr
tf
Parameter
System Clock
Photo-Couple Input
Frequency
Photo-Couple Operation
frequency
Key Debounce
Transmission Time
Transmission Time
Transmission Time
Start Bit Time
Data Bit Time
Stop Bit Time
Mode Code Delay Time
(fSYS=32.768kHz)
Rising Edge Crossed Width
Falling Edge Crossed Width
Test Conditions
VDD Conditions
5.6V Crystal oscillator
5.6V
¾
5.6V
¾
5.6V
¾
5.6V
Mouse system
(1200)
5.6V
Mouse system
(9600)
5.6V Microsoft (1200)
5.6V Microsoft (9600)
5.6V Microsoft + (1200)
5.6V Microsoft + (9600)
(1200)
5.6V
(9600)
(1200)
5.6V
(9600)
(1200)
5.6V
(9600)
(1200)
5.6V
(9600)
5.6V
¾
5.6V
¾
Min. Typ. Max. Unit
30.8 32.768 34.2 kHz
¾ ¾ 8.2 kHz
0 ¾ 8 kHz
¾ 52 ¾ ms
¾ 41.3 ¾ ms
¾ 5.3 ¾
¾ 24.8 ¾
¾ 3.18 ¾
¾ 33.1 ¾
¾ 4.2 ¾
¾ 0.85 ¾
¾ 0.106 ¾
¾ 0.82 ¾
¾ 0.106 ¾
¾ 0.82 ¾
¾ 0.106 ¾
15 ¾ 14
1.9 ¾ 1.7
31 ¾ ¾
31 ¾ ¾
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
5 February 1, 2000
5 Page 
HT6513B
Holtek Semiconductor Inc. (Headquarters)
No.3 Creation Rd. II, Science-based Industrial Park, Hsinchu, Taiwan, R.O.C.
Tel: 886-3-563-1999
Fax: 886-3-563-1189
Holtek Semiconductor Inc. (Taipei Office)
5F, No.576, Sec.7 Chung Hsiao E. Rd., Taipei, Taiwan, R.O.C.
Tel: 886-2-2782-9635
Fax: 886-2-2782-9636
Fax: 886-2-2782-7128 (International sales hotline)
Holtek Semiconductor (Hong Kong) Ltd.
RM.711, Tower 2, Cheung Sha Wan Plaza, 833 Cheung Sha Wan Rd., Kowloon, Hong Kong
Tel: 852-2-745-8288
Fax: 852-2-742-8657
Copyright Ó 2000 by HOLTEK SEMICONDUCTOR INC.
The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek
assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are
used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications
will be suitable without further modification, nor recommends the use of its products for application that may pres-
ent a risk to human life due to malfunction or otherwise. Holtek reserves the right to alter its products without prior
notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw.
11 February 1, 2000
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet HT6513B.PDF ] | |
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