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PDF PT6991 Data sheet ( Hoja de datos )
| Número de pieza | PT6991 | |
| Descripción | Front Panel LED Control/Driver Power | |
| Fabricantes | Princeton Technology | |
| Logotipo |  |
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DESCRIPTION
The PT6991 is designed to integrate the LED driver,
key-scan matrix, infrared (IR) remote control
decoding and into one integrated solution. All
functions are programmable using I2C interface. In
standby operation, the PT6991 provides the standby
power management to the chipset for low power
consumption. The PT6991 is housed in 32-pin SOP
package. Pin assignments and application circuit are
optimized for easy PCB layout and cost saving
advantages.
APPLICATIONS
• VCR
• DVD recorder
• Home theater
• Set-top box and other application that require a
compact, integrated solution
• HTiB (Home theater in a box)
• Personal video recorders (PVRs)
BLOCK DIAGRAM
IR_DATA_IN
READY
Remote control
Decoder
PT6991
Front Panel LED Control/Driver Power
with Standby Management
FEATURES
• IC front panel LED controller driver
• Standby power management to the host
• 5.0V (VDD) supply and 3.3V interface for the IC
• IR remote control decoder (Philips, NEC,
Thomson, Sony, Matsushita)
• Multiple display modes ( 10 segments and 6 digits
to 12 segments and 4 digits )
• External resistors necessary for all logic outputs
(N-CH. Open drain)
• Key scanning (up to 10 x 1 matrix = 10 keys)
• I2C serial interface (SCL, SDA) communication
protocol
• Programmable hotkeys for IR remote control
command
• Programmable hotkeys for KEYSCAN command
• Low power consumption in standby mode
• Dimming circuit (8 steps)
• Available in SOP-32 package
STBY
IRQ_N
VDD
VSS
(5.0V or 3.3V) (0V)
SDA
SCL
VDD
RSTB
K1
I2C
Serial
I/F
500KHz
oscillator
1
Command Decoder
Display Memory
(12 x 6)
Timing Generator
key scan and
Dimming circuit
Key Data Memory
(1 x 10)
12-bit Output
Latch
12
10
2
Segment
Drivers
Data
Selector
2
Grid/Segment
Drivers
6-bit Shift
Register
2
64
Grid
Drivers
SG1/KS1
SG10/KS10
SG11/GR6
SG12/GR5
GR4
GR1
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
For:Natertech
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet PT6991.PDF ] | |
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