TEA5777 NXP Semiconductors, TEA5777 Datasheet - Page 22

• Manufacturer Part Number: TEA5777
• Manufacturer: NXP Semiconductors

Specifications of TEA5777

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Philips Semiconductors
TEA5777_1
Product data sheet
Table 12.
Bits marked with * are common for FM and AM mode.
Table 13.
Table 14.
Bits marked with * are common for FM and AM mode.
Table 15.
Bits marked with * are common for FM and AM mode.
Bit
7 (MSB)
6
5
4
3
2
1
0 (LSB)
Bits FREF[1:0 f
00
01
10
11
Bit
7 (MSB)
6
5
4
3
2
1
0 (LSB)
Bit
7 (MSB)
6
5
4
3
2
1
0 (LSB)
Symbol
FREF1
FREF0
IFCE*
IFW*
HILO*
DBUS*
-
INTEXT*
Symbol
P1*
P0*
PEN1*
PEN0*
-
CHP0*
DEEM*
-
Symbol
FOMO
SDSOFF
DOFF
-
-
-
-
-
FM write mode - data byte 3
FM IF and reference frequency control
FM write mode - data byte 4
FM write mode - data byte 5
VCO step
frequency (kHz)
100
20
66.666
100
ref(VCO)
Rev. 01 — 11 April 2006
Description
IF and reference frequency control: see
IF counter: 0 = not enabled; 1 = enabled
IF window: 0 = 10 kHz; 1 = 20 kHz
VCO injection mode: 0 = low-side; 1 = high-side
Dbus mode selection: 0 = off; 1 = on
no function
reference frequency source select: 0 = external; 1 = internal
Description
I/O port control: see
no function
charge pump current: 0 = large; 1 = small
de-emphasis: 0 = 50 s; 1 = 75 s
no function
Description
stereo reception: 0 = allow; 1 = force mono
stereo decoder blend function: 0 = on; 1 = off
stereo decoder: 0 = on; 1 = standby
Low-power AM/FM stereo radio for handheld applications
f
reference frequency
referred to RF input (kHz)
50
10
33.333
50
ref(RF)
Table 28
and
Table 29
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Table 13
FM mode
f
f
f
f
IF
IF
IF
IF
= 150 kHz
= 150 kHz for East Europe
= 133.333 kHz
= 150 kHz
TEA5777
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