STFPC320 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STFPC320

Front panel controller/driver with standby power management and real-time clock

STMicroelectronics 

STFPC320

1

Device block diagram

Figure 1. STFPC320 block diagram

Device block diagram

IR_DATA_IN

READY

PIN_AV8

Remote Control

Decoder & Stand

By Function

MUTE

STBY

SCL

SDA

VDD

R

I2C

Serial

I/F

OSC

Key1

Key2

2

SW1

2-bit

SW2

Latch

Command Decoder

Display Memory

(20 x 16)

Timing Generator

Key Scan and

Dimming Circuit

Key Data Memory

(2 x 12)

20-bit

Output

Latch

20

12

8

8

Data

Selector

8

16-bit

Shift

Register 16

8

SEG1/KS1

SEG12/KS12

SEG13/GRID16

SEG20/GRID9

GRID8

GRID1

32 KHz

oscillator

4

LED1

4-bit

LED2

Latch

LED3

LED4

Real-time Clock

Real-time Clock

Calendar

RTC with Alarm AFE

& Calibration

VDD GND VSS

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

Watchdog

IRQ_N/SQW

9/78

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