tea5777hn-n2 NXP Semiconductors, tea5777hn-n2 Datasheet - Page 24
tea5777hn-n2
Manufacturer Part Number
tea5777hn-n2
Description
Tea5777 Low-power Am/fm Stereo Radio For Handheld Applications
Manufacturer
NXP Semiconductors
Datasheet
1.TEA5777HN-N2.pdf
(47 pages)
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Philips Semiconductors
TEA5777_1
Product data sheet
Table 23.
Bits marked with * are common for FM and AM mode.
Table 24.
Bits marked with * are common for FM and AM mode.
Table 25.
Bits marked with * are common for FM and AM mode.
Table 26.
[1]
Bit
2
1
0 (LSB)
Bit
7 (MSB)
6
5
4
3
2
1
0 (LSB)
Bit
7 (MSB)
6
5
4
3
2
1
0 (LSB)
Bits SLEV[1:0]
00
01
10
11
Measured with ferroceptor C8E-A0424 TOKO Inc.
Symbol
CHP0*
DEEM*
RFB
Symbol
CALLIGN
C6
C5
C4
C3
C2
C1
C0
Symbol
SEARCH*
PROGBLIM*
UPDWN*
SLEV1*
SLEV0*
AMDELAY
STEP0*
-
AM write mode - data byte 4
AM write mode - data byte 5
AM write mode - data byte 6
Search level settings
RF level (AM)
0.9 mV/m
1.2 mV/m
1.9 mV/m
3.8 mV/m
Rev. 01 — 11 April 2006
Description
charge pump current: 0 = large; 1 = small
de-emphasis: 0 = 50 s; 1 = 75 s
LNA feedback resistor: 0 = 1 M ; 1 = 2.2 M
Description
selection bit: 0 = C[6:0] sets C-bank; 1 = C[6:0] sets C-align
C[6:0] sets C-bank or C-align word depending upon bit CALLIGN:
Description
search mode: 0 = disabled; 1 = enabled
copy word: 0 = no copy; 1 = copy PLL word to BLIM register
if bit PROGBLIM = 0: 0 = down search; 1 = up search
if bit PROGBLIM = 1: 0 = lower band limit; 1 = upper band limit
search level settings: see
IF counter delay; 0 = 40 ms; 1 = 80 ms
search steps AM: see
no function
C-align: C[6:0] should be between 0 and 128 (decimal)
C-bank: C[6:0] should be between 0 and 122 (decimal)
Low-power AM/FM stereo radio for handheld applications
[1]
…continued
Table 27
Table 26
ADC[3:0] level bits
0010
0100
0110
1001
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
TEA5777
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