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PDF STFPC320 Data sheet ( Hoja de datos )
| Número de pieza | STFPC320 | |
| Descripción | Front panel controller/driver | |
| Fabricantes | STMicroelectronics | |
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STFPC320
Front panel controller/driver with standby
power management and real-time clock
Features
■ IC front panel VFD controller driver
■ Standby power management to the host
■ 3.3 V (VDD) and down to -30 V (VSS)
supply for the IC
■ IR remote control decoder
www.DataSheet4(PUh.ciliopms, NEC, Thomson, Sony, Matsushita)
■ Multiple display modes
(12 seg. and 16 digits to 20 seg and 8 digits)
■ High voltage outputs (VDD - 33.3 V max)
■ No additional external resistors required for
driver outputs (P-CH. open drain + pull-down
resistor outputs)
■ Key scanning (up to 12 x 2 matrix = 24 keys)
■ LED ports (4 channels 20 mA max each)
■ Serial I2C interface (SCL, SDA)
communication protocol b
■ Operating speed: up to 400 kHz for I2C
■ Programmable hotkeys for IR remote control
command and KEYSCAN command
■ Low power consumption in standby mode
■ Dimming circuit (8 steps)
■ Real-time clock (accuracy ± 25 secs/month)
■ Wake-up alarm
■ Internal oscillator with external crystal for RTC
■ Available in PQFP-52 package (0.65 mm pitch
Applications
■ VCR, DVD and personal video recorders
■ Home theatre with clock feature, STB and HTiB
(home theater in a box)
Table 1. Device summary
Order code
Operating temperature
STFPC320
-40°C to 85°C
PQFP-52
Description
The STFPC320 is designed to integrate the VFD
driving, key-scan matrix, LED driving, infrared (IR)
remote control decoding and real-time clock
(RTC) into one integrated solution. All the
functions are programmable using the I2C bus.
Low power consumption is achieved during
standby operation. The STFPC320 provides the
standby power management to the main chipset.
The STFPC320 is housed in a 52-pin PQFP
package. The pin assignments and application
circuit are optimized for an easy PCB layout and
cost saving advantages.
Package
PQFP-52
Packaging
Tape and reel
July 2008
Rev 2
1/78
www.st.com
78
1 page  
STFPC320
Contents
19 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
20 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
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5 Page 
STFPC320
3 Pin settings
3.1 Pin connection
Figure 3. Pin connection (top view)
www.DataSheet4U.com
Pin settings
Note:
For a description of each pin behaviour, please refer to the STFPC320 Table 2: Pin
description on page 12
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet STFPC320.PDF ] | |
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