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
文件頁數(shù): 18/47頁
文件大?。?/td> 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
25 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
[1]
X = don’t care.
[1]
X = don’t care.
9.5.2 Register denition in read mode
9.5.2.1
FM read mode
Table 27.
Search steps AM
Programmable steps
AM fref = 8 kHz
Bit STEP0
Step size
PLL step
C-bank step
MW
LW
MW
LW
MW
LW
0
9
36
9 kHz
9 kHz mode
1
10
40
10 kHz
10 kHz mode 10 kHz mode
Table 28.
I/O port control SWPORT1
Bit PEN0
Bit P0
PORT P0 (pin SWPORT1)
0X[1]
input
1
0
output logic 0
1
output logic 1
Table 29.
I/O port control SWPORT2
Bit INTEXT
Bit PEN1
Bit P1
PORT P1 (SWPORT2)
10X [1]
input (internal reference)
1
0
output logic 0 (internal reference)
1
output logic 1 (internal reference)
0X[1]
1
reference input (13 MHz)
Table 30.
Survey of bit names in FM read mode
Bits marked with * are common for FM and AM mode.
Bits
7
6
5
4
3
2
1
0
Byte 1
IFCRDY*
IFCE*
MOST
LEV3*
LEV2*
LEV1*
LEV0*
SFOUND*
Byte 2
BLIM*
P1*
P0*
PLL12
PLL11
PLL10
PLL9
PLL8
Byte 3
PLL7
PLL6
PLL5
PLL4
PLL3
PLL2
PLL1
PLL0
Table 31.
FM read mode - data byte 1
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
IFCRDY*
IF counter ready
6
IFCE*
IF counter enable
5
MOST
mono or stereo setting
4
LEV3*
search level setting
3
LEV2*
2
LEV1*
1
LEV0*
0 (LSB)
SFOUND*
station found
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