tda6405ts NXP Semiconductors, tda6405ts Datasheet - Page 6

• Manufacturer Part Number: tda6405ts
• Description: 5 V Mixer/oscillator-pll Synthesizers For Hyperband Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FUNCTIONAL DESCRIPTION
The devices are controlled via the I
For programming, there is one module address (7 bits)
and the R/W bit for selecting the read or write mode.
Write mode
Data bytes can be sent to the devices after the address
transmission (first byte) by setting the R/W bit to logic 0.
Four data bytes are needed to fully program the devices.
The I
which permits the programming of the devices within one
single transmission (address + 4 data bytes).
The devices can also be partially programmed, providing
that the first data byte following the address is divider
byte 1 (DB1) or control byte (CB). The bits in the data
bytes are defined in Tables 1 and 2.
1999 Jan 13
handbook, halfpage
5 V mixer/oscillator-PLL synthesizers for
hyperband tuners
2
C-bus transceiver has an auto-increment facility
Fig.2 Pin configuration for TDA6404.
UHFIN1
UHFIN2
RFGND
PVHFH
PVHFL
VHFIN
IFFIL1
IFFIL2
PUHF
ADC
SDA
SCL
CP
AS
10
11
12
13
14
1
2
3
4
5
6
7
8
9
TDA6404
MGK830
2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
C-bus.
VHFOSCIB2
VHFOSCOC2
VHFOSCOC1
VHFOSCIB1
UHFOSCIB2
UHFOSCOC2
UHFOSCOC1
UHFOSCIB1
GND
IFOUT2
IFOUT1
V CC
XTAL
VT
6
The first bit of the data byte transmitted indicates whether
frequency data (first bit = 0) or control and band switch
data (first bit = 1) will follow. Until an I
condition is sent by the controller, additional data bytes
can be entered without the need to re-address the devices.
The frequency register is loaded after the 8th clock pulse
of the second divider byte (DB2). The control register is
loaded after the 8th clock pulse of the CB. The band switch
register is loaded after the 8th clock pulse of the band
switch byte (BB).
handbook, halfpage
UHFOSCOC2
UHFOSCOC1
VHFOSCOC2
VHFOSCOC1
Fig.3 Pin configuration for TDA6405(A)
VHFOSCIB2
VHFOSCIB1
UHFOSCIB2
UHFOSCIB1
IFOUT2
IFOUT1
XTAL
GND
V CC
VT
10
11
12
13
14
1
2
3
4
5
6
7
8
9
TDA6404; TDA6405;
TDA6405A
TDA6405
MGK831
19
18
17
16
15
28
27
26
25
24
23
22
21
20
Product specification
2
C-bus STOP
TDA6405A
UHFIN1
UHFIN2
VHFIN
RFGND
IFFIL1
IFFIL2
PVHFL
PVHFH
PUHF
AS
SDA
SCL
ADC
CP