參數(shù)資料
型號(hào)： TDA6650TT
廠商： NXP Semiconductors N.V.
英文描述： 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)
中文描述： 5伏混頻器/振蕩器，低噪聲的混合型地面調(diào)諧器鎖相環(huán)頻率合成器（數(shù)字和模擬）
文件頁數(shù)： 9/55頁
文件大?。?/td> 377K
代理商： TDA6650TT
2004 Mar 22
9
Philips Semiconductors
Product specification
5 V mixer/oscillator and low noise PLL synthesizer
for hybrid terrestrial tuner (digital and analog)
TDA6650TT;
TDA6651TT
8.1
Write mode; R/W = 0
After the address transmission (first byte), data bytes can
be sent to the device (see Table 3). Five data bytes are
needed to fully program the TDA6650TT; TDA6651TT.
The I
2
C-bus transceiver has an auto-increment facility that
permits programming the device within one single
transmission (address + 5 data bytes).
The TDA6650TT; TDA6651TT can also be partly
programmed on the condition that the first data byte
following the address is byte 2 (divider byte 1) or byte 4
(control byte 1). The first bit of the first data byte
transmittedindicateswhetherbyte 2(firstbit = 0)orbyte 4
(first bit = 1) will follow. Until an I
2
C-bus STOP condition is
sent by the controller, additional data bytes can be entered
without the need to re-address the device. The fractional
calculator is updated only at the end of the transmission
(STOP condition). Each control byte is loaded after the
8th clock pulse of the corresponding control byte. Main
divider data are valid only if no new I
2
C-bus transmission
is started (START condition) during the computation
period of 50
μ
s.
Both DB1 and DB2 need to be sent to change the main
divider ratio. If the value of the ratio selection bits R2, R1
and R0 are changed, the bytes DB1 and DB2 have to be
sent in the same transmission.
handbook, full pagewidth
START
BYTE
DIVIDER
BYTE 1
ADDRESS
BYTE
I
2
C transmission
dedicated to
another IC
I
2
C transmission dedicated to
the MOPLL
START
50
μ
s
DIVIDER
BYTE 2
CONTROL
BYTE 1
CONTROL
BYTE 2
CONTROL
BYTE 1
CONTROL
BYTE 2
STOP
FCE921
Fig.4 Example of I
2
C-bus transmission frame.
Table 3
I
2
C-bus write data format
Note
1.
MSB is transmitted first.
NAME
BYTE
BIT
ACK
MSB
(1)
LSB
Address byte
Divider byte 1 (DB1)
Divider byte 2 (DB2)
Control byte 1
(CB1); see Table 4
1
2
3
4
1
0
1
0
0
0
MA1
N10
N2
R2
AL2
BS3
MA0
N9
N1
R1
AL1
BS2
R/W = 0
N8
N0
R0
AL0
BS1
A
A
A
A
A
A
N14
N6
T/A = 1
T/A = 0
CP1
N13
N5
T2
0
CP0
N12
N4
T1
0
BS5
N11
N3
T0
ATC
BS4
N7
1
1
CP2
Control byte 2 (CB2)
5
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參數(shù)描述
TDA6650TT/C3 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)
TDA6650TT/C3/S2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)
TDA6651 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)
TDA6651ATT 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)
TDA6651ATT/C3 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)
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