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参数资料
| 型号： | TEA5777HL/N2,118 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP32 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-358-1, LQFP-32 |
| 文件页数： | 16/47页 |
| 文件大小： | 219K |
| 代理商： | TEA5777HL/N2,118 |
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TEA5777_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 April 2006
23 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
Table 20.
AM write mode - data byte 1
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
MUTE*
audio mute: 0 = audio not muted; 1 = audio muted
6
AM/FM*
AM/FM selection: 0 = FM; 1 = AM
5
STBY*
operating mode: 0 = operating; 1 = standby
4
PLL10
setting of synthesizer programmable counter
3
PLL9
2
PLL8
1
PLL7
0 (LSB)
PLL6
Table 21.
AM write mode - data byte 2
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
PLL5
setting of synthesizer programmable counter
6
PLL4
5
PLL3
4
PLL2
3
PLL1
2
PLL0
1
AGCRF
RF AGC response: 0 = slow; 1 = fast
0 (LSB)
AGCIF
IF AGC response: 0 = slow; 1 = fast
Table 22.
AM write mode - data byte 3
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
MWLW
band select: 1 = MW; 0 = LW
6
LNA
LNA gain: 0 = 5
×; 1=10 ×
5
IFCE*
IF counter: 0 = not enabled; 1 = enabled
4
IFW*
IF window: 0 = 2 kHz; 1 = 4 kHz
3
HILO*
VCO injection mode: 0 = low-side; 1 = high-side
2
DBUS*
Dbus mode selection: 0 = off; 1 = on
1
PEAK
RFAGC speed-up: 0 = off; 1 = fast attack, normal decay
0 (LSB)
INTEXT*
reference frequency source select: 0 = external; 1 = internal
Table 23.
AM write mode - data byte 4
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
P1*
6
P0*
5
PEN1*
4
PEN0*
3
-
no function
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