TEA5777HN NXP Semiconductors, TEA5777HN Datasheet - Page 16

• Manufacturer Part Number: TEA5777HN
• Description: Tuners AM/FM STEREO
• Manufacturer: NXP Semiconductors

Specifications of TEA5777HN

• Bus Type: I2C, 3-Wire
• Maximum Frequency: 2.047 MHz, 409.55 MHz
• Minimum Frequency: 0.512 MHz, 51.2 MHz
• Modulation Technique: AM, FM
• Mounting Style: SMD/SMT
• Package / Case: HVQFN-48
• Function: Radio
• Operating Supply Voltage: 3 V
• Supply Voltage (min): 2.7 V
• Supply Voltage (max): 7 V
• Minimum Operating Temperature: - 10 C
• Maximum Operating Temperature: + 65 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TEA5777HN/N2,557

Philips Semiconductors
9. Control functions via I
TEA5777_1
Product data sheet
9.1 Bus interface
9.2 Bus protocol
Via the bus interface a couple of main blocks are controlled:
The TEA5777 bus interface is a combination of an I
mode is determined by the bus mode input pin BUSMODE which will be connected to
ground or to V
Fig 4. Bus interface
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Tuning system
Autonomous search
AM capacitor bank (C-bank control)
IF counter
4-bit level ADC
Stereo decoder
Mute and de-emphasis
SWPORT1 and SWPORT2 outputs (I/O port control)
Pin BUSMODE = HIGH enables the 3-wire mode
Pin BUSMODE = LOW enables I
CCD
2
C-bus and 3-wire bus
:
Rev. 01 — 11 April 2006
Low-power AM/FM stereo radio for handheld applications
3-WIRE BUS OR
AUTONOMOUS
DE-EMPHASIS
INTERFACE
DECODER
STEREO
SEARCH
I
2
MUTE
C-BUS
2
C-bus mode
BUS INTERFACE
LEVEL ADC
IF COUNTER
2
CONTROL
CONTROL
I/O PORT
SYSTEM
C-bus and a 3-wire-bus. The bus
TUNING
C-BANK
001aab436
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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