參數(shù)資料
型號(hào): TEA5777HL/N2,118
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-358-1, LQFP-32
文件頁(yè)數(shù): 15/47頁(yè)
文件大小: 219K
代理商: TEA5777HL/N2,118
TEA5777_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 April 2006
22 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
9.5.1.2
AM write mode
Table 16.
FM write mode - data byte 6
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
SEARCH*
search mode: 0 = disabled; 1 = enabled
6
PROGBLIM*
copy word: 0 = no copy; 1 = copy PLL word to BLIM register
5
UPDWN*
if bit PROGBLIM = 0: 0 = down search; 1 = up search
if bit PROGBLIM = 1: 0 = lower band-limit; 1 = upper band-limit
4
SLEV1*
search level settings: see Table 17
3
SLEV0*
2
STEP1
search steps FM: see Table 18
1
STEP0*
0 (LSB)
-
no function
Table 17.
Search level settings
Bits SLEV[1:0]
RF level (FM)
ADC[3:0] level bits
00
5
V
0010
01
10
V
0100
10
30
V
0110
11
60
V
1001
Table 18.
Search steps FM
Programmable steps
FM
Bits STEP[1:0]
Step size
100 kHz reference
66 kHz reference 20 kHz reference
00
1
50
33.333
10
01
2
100
66.666
20
10
3
150
100
30
11
4
200
133.333
40
Table 19.
Survey of bit names in AM write mode
Bits marked with * are common for FM and AM mode.
Bits
7
6
5
4
3
2
1
0
Byte 1
MUTE*
AM/FM*
STB*
PLL10
PLL9
PLL8
PLL7
PLL6
Byte 2
PLL5
PLL4
PLL3
PLL2
PLL1
PLL0
AGCRF
AGCIF
Byte 3
MWLW
LNA
IFCE*
IFW*
HILO*
DBUS*
PEAK
INTEXT*
Byte 4
P1*
P0*
PEN1*
PEN0*
-
CHP0*
DEEM*
RFB
Byte 5
CALLIGN
C6
C5
C4
C3
C2
C1
C0
Byte 6
SEARCH*
PROGBLIM*
UPDWN*
SLEV1*
SLEV0*
AMDELAY
STEP0*
-
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