STV0299B datasheet(5/36 Pages) STMICROELECTRONICS

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STV0299B

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PIN INFORMATION (continued)

1.2 Pinout Description

Note:

The following abbreviations are used: I - Input; O - Output; OD - Open drain output.

3.3 V output levels.

5 V tolerant

Pin Number

Name

I/O1

Description

SIGNAL INPUTS

50, 51

IP, IN

Analog in Phase Component

53, 54

QN, QP

Analog in Quadrature Component

FRONT END CONTROLS

CLK_IN/XTAL IN

Crystal Input or CLK_IN

XTAL OUT

Crystal Output

9AGC

OD3

Control Signal to the Tuner

AUX_CLK

Programmable Output Port or Programmable Output Clock

17-18

OP0, OP1

Programmable Output Ports

LOCK/OP2

Carrier Found or Data Found or Output Port

IP0

Input Port

SIGNAL OUPUTS

26-28-29-31, 33 to 36

D[7:0]

Output Data; D7 is DATA_OUT in Serial Mode

CLK_OUT

Output Byte Clock; or Bit Clock in Serial Mode

STR_OUT

Output 1st byte Signal (synchro byte clock)

D/P

Data/Parity Signal

ERROR

Output Error Signal. Set in case of uncorrectible packet.

I2C INTERFACE

SCL

Serial Clock (I2C bus)

SDA

I/OD3 Serial Data (I2C bus)

OTHERS

SCLT

OD3

Tuner Serial Clock (repeator) or Output Port

SDAT

I/OD3 Tuner Serial Data (repeator) or Input/Output Port

37-43-44-45-46-61-62

TEST

Reserved for manufacturing tests; must be tied to VSS

DIRCLK_DIS

Sets the DIRCLK function at power on

3, 49, 52, 57

VSSA

Analog Ground

4, 47, 55

VDDA

Analog 2.5 V Supply

VTOP

ADC High Voltage Reference

VBOT

ADC Low Voltage Reference

6-8-11-23-27-32-39-64

VSS

Ground

13-25

VDD_3.3 V

3.3 V Supply

7-10-30-41-63

VDD

2.5 V Supply

RESET

Reset, active at low level

STDBY

Sets STDBY at power on

F22/DiSEqC

DiSEqC modulation, 22 kHz Tone, Programmable

Output Port

DAC

Programmable Digital to Analog Converter Output

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