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PDF HT6513 Data sheet ( Hoja de datos )
| Número de pieza | HT6513 | |
| Descripción | Mouse Controller | |
| Fabricantes | Holtek Semiconductor Inc | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HT6513 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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HT6513
Mouse Controller
Features
• Low power dissipation
• Use 32.768KHz crystal
• Crystal oscillator circuits on-chip
• 1200 baud rate serial output
• Power directly from RS-232C without exter-
nal power supply
• Three key-switches and four photo-couples
inputs
• Key-in and key-release debounce interval 52 ms
• The HT6513 can execute two different
outputs with any of the key-switch inputs
• RXD with heavy NMOS output
General Description
The HT6513 is a specially designed CMOS IC
for mouse control applications. Capable of driv-
ing up to 3 key-switches and 4 photo-couplers
directly into a standard RS-232C line, and it
can be operated without an external power sup-
ply. It is compatible with both Microsoft and
Mouse systems with false entries being pre-
vented by internal debounce circuits.
Pin Assignment
1 23rd Oct ’96
1 page  
HT6513
A.C. Characteristics
Symbol
fSYS
fP
fN
tKD
tMS
tMI
tS
tD
tP
tRD
tR
tF
Parameter
Test Condition
VDD
Condition
System Clock
5.6V Crystal Oscillator
Photo-Couple input
frequency
5.6V
—
Photo-Couple operation
frequency
5.6V
—
Key debounce
5.6V
—
Transmission time
5.6V
mouse system
(1200 bps)
Transmission time
5.6V microsoft (1200 bps)
Start bit time
5.6V (1200 bps)
Data bit time
5.6V (1200 bps)
Stop bit time
5.6V (1200 bps)
Mode code delay
Time (fSYS=32.768KHz)
5.6V
(1200 bps)
Rising edge
crossed width
5.6V
—
Falling edge
crossed width
5.6V
—
(Ta=25°C)
Min. Typ. Max. Unit
30.8 32.768 34.2 KHz
— — 8.2 KHz
0—
— 52
— 41.3
— 24.8
— 0.85
— 0.82
— 0.82
11.9 —
8 KHz
— ms
— ms
— ms
— ms
— ms
— ms
14 ms
31 — — µs
31 — — µs
5 23rd Oct ’96
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet HT6513.PDF ] | |
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