STFPC311(2012) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STFPC311
(Rev.:2012)

Front panel controller/driver with standby power management

STMicroelectronics 

STFPC311

1.1

Block diagram

Figure 1. Block diagram

IR_DATA_IN

READY/STBY_n

Remote Control

Decoder & Stand

By Function

Functional description

STBY

MUTE

Watchdog

Timer

Command Decoder

SEG1/KS1

DIN

20

12

DOUT

CLK

) STB

t(s VDD

duc ROSC

ro SW1

P SW2

lete KEY1

Obsolete Product(s) - Obso KEY2

SPI

Serial

I/F

OSC

2-bit

Latch

2

Display Memory

(20 x 16)

Timing Generator

Key Scan and

Dimming Circuit

Key Data Memory

(2 x 12)

20-bit

Output

Latch

8

8

Data

Selector

8

16-bit

Shift

Register 16

8

LED1

2

4-bit

LED2

Latch

LED3

LED4 VDD GND VSS

(+3.3V) (0V) (-30V)

SEG12/KS2

SEG13/GRID16

SEG20/GRID9

GRID8

GRID1

Doc ID 12324 Rev 2

5/39

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