Control/Driver Power. PT6991 Datasheet

PT6991 Power. Datasheet pdf. Equivalent

PT6991 Datasheet
Recommendation PT6991 Datasheet
Part PT6991
Description Front Panel LED Control/Driver Power
Feature PT6991; DESCRIPTION The PT6991 is designed to integrate the LED driver, key-scan matrix, infrared (IR) remot.
Manufacture Princeton Technology
Datasheet
Download PT6991 Datasheet




Princeton Technology PT6991
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: 886-66296288Fax: 886-29174598http://www.princeton.com.tw2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
For:Natertech



Princeton Technology PT6991
FUNCTION DIAGRAM
PT6991
IR_DATA_IN
IR Decoder
Key Scan
PT6991
Main Board
IRQ_N
READY
SDA
SCL
Front Panel
Controller and Driver
10
SG/KS
10
SG/GR
GR
2 Light-emitting diode
Display(LED)
4
STBY
Power to
Front Panel
Power to main board
Power to
Main board
Power to
Front Panel board
Power Supply Board
TYPICAL APPLICATION CIRCUIT
V 1.1
2 September 2010
For:Natertech



Princeton Technology PT6991
ORDER INFORMATION
Valid Part Number
PT6991-S
Package Type
32 pins, SOP, 300mil
PIN CONFIGURATION
PT6991
Top Code
PT6991-S
V 1.1
3 September 2010
For:Natertech







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