Notice:This is not a final specification.
Some parametric limits are subject to change.
DESCRIPTION
The M64895 is a semiconductor integrated circuit consisting of PLL
frequency synthesizer for TV/VCR using I
contains the prescaler with operating up to1.3GHz, 4 band drivers
and tuning Amplifier for direct tuning. Built-in 4 band drivers.
FEATURES
•
4 integrated PNP band drivers
(Io=40mA,Vsat=0.2V typ@Vcc1 to 13.2V)
•
Built-in high-withstanding voltage tuning Amplifier
•
Low power dissipation (Icc=20mA, Vcc=5V)
•
Built-in prescaler with input amplifier (Fmax=1.3GHz)
•
PLL lock/unlock status display out put
•
(Built-in pull up resistor )
2
•
I
C bus control (write mode only)
•
X’tal 4MHz is used to realize 3 type of tuning steps
(Division ratio 1/512, 1/640, 1/1024)
•
Programmable chip address
•
Small package (16Pin SOP/SSOP)
APPLICATION
TV , VCR tuners
2
C BUS control. It
MITSUBISHI IC
(TV)
S
M64895FP/GP
2
I
C BUS FREQUENCY SYNTHESIZER FOR TV/VCR
PIN CONFIGURATION (TOP VIEW)
PRESCALER
INPUT
GND
SUPPLY
VOLTAGE 1
SUPPLY
VOLTAGE 2
BAND
SWITCHING
OUTPUTS
fin
GND
CC1
V
CC2
V
BS4
BS3
BS2
BS1
1
2
3
4
16
15
M64895FP/GP
14
13
125
116
107
98
Outline 16P2S-A/16P2Z-A
RECOMMENDED OPERATING CONDITION
Supply voltage range..............................................V
Notice:This is not a final specification.
Some parametric limits are subject to change.
I2C BUS FREQUENCY SYNTHESIZER FOR TV/VCR
M64895FP/GP
DESCRIPTION OF PIN
Pin No.SymbolPin nameFunction
1f inPrescaler inputInput for the VCO frequency.
2GNDGNDGround to 0V.
3VCC1Power supply voltage 1Power supply voltage terminal. 5.0V±0.5V
4VCC2Power supply voltage 2Power supply for band switching, Vcc1 to 13.2V
5
BS4
6
BS3
7
BS2
8
BS1
9Vin
10VtuTuning outputThis supplies the tuning voltage.
11VCC3Power supply voltage 3Power supply voltage for tuning voltage 28 to 35V
12LD/ftestLock detectt/ Test port
13SCLClock inputData is read into the shift register when the clock signal falls
14SDAData inputInput for band SW and programmable freq. divider set up.
15ADSAddress switching inputChip address sets it up with the input condition of terminal.
16Xin
Band switching
outputs
Filter input
(Charge pump output)
This is connected to
the crystal oscillator.
PNP open collector method is used.
When the band switching data is "H",the output is ON.
When it is "L",the output is OFF.
This is the output terminal for the LPF input and charge pump output.
When the phase of the programmable divider output (f1/N) is ahead compared to
the reference frequency (f
If it is behind, the "sink" current becomes active.
If the phases are the same, the high impedance state becomes active.
Lock detector is output.
Programmabule freq. Divider output and reference freq. output is selected by the
test mode.
4.0MHz crystal oscillator is connected.
REF), the "source" current state becomes active.
ABSOLUTE MAXIMUM RATINGS (Ta=-20°C to +75°C, unless otherwise noted)
SymbolParameterConditionsRatingsUnit
VCC1Super voltage 1Pin36.0V
VCC2Super voltage 2Pin414.4V
VCC3Super voltage 3Pin1136.0V
VIInput voltageNot to exceed VCC16.0V
VOOutput voltagePin166.0V
VBSOFF
IBSONBand output currentcircuit50.0mA
tBSONON the time when the band output is ON3circuits are pn at same time10sec
PdPower dissipationTa=75°C470mW
ToprOperating temperature-20 to +75°C
TstgStorage temperature-40 to +125°C
Voltage applied when the band output is
OFF
per 1 band output circuit
50mA per 1 band output
14.4V
RECOMMENDED OPERATING CONDITIONS (Ta=-20°C to +75°C, unless otherwise noted)
SymbolParameterConditionsRatingsUnit
CC1Super voltage 1Pin34.5 to 5.5V
V
VCC2Super voltage 2Pin4VCC1 to 13.2V
VCC3Super voltage 3Pin1128 to 35V
fopr1Operating frequency (1)Crystal oscillation circuit4.0MHz
fopr2Operating frequency (2)80 to 1300MHz
IBDLBand output current 5 to 8
Normally 1 circuit is on. 2 circuits on at the
same time is max. It is prohibited to have 3 or
more circuits turned on at the same time.
0 to 40mA
2
MITSUBISHI ICS (TV)
PRELIMINARY
Notice:This is not a final specification.
Some parametric limits are subject to change.
80 to 100MHz -24− 4
100 to 200MHz -27− 4
200 to 800MHz -30− 4
800 to 1000MHz -27− 4
1000 to 1300MHz -18− 4
fSCLClock pulse frequency13VCC1=4.5 to 5.5V 0− 100kHz
tBUFBus free time14VCC1=4.5 to 5.5V 4.7−−µs
tHD
STA
t
LOWSCL low hold time13VCC1=4.5 to 5.5V 4.7−−µs
Data hold time13VCC1=4.5 to 5.5V 4−−µs
tHIGHSCL high hold time13VCC1=4.5 to 5.5V 4−−µs
tSU
STA
t
HD
DAT
t
SU
DAT
t
rRise time13, 14VCC1=4.5 to 5.5V−−1000ns
Set up time13, 14VCC1=4.5 to 5.5V 4.7−−µs
Data hold time13, 14VCC1=4.5 to 5.5V 0−−s
Data set up time13, 14VCC1=4.5 to 5.5V250−−ns
tfFall time13, 14VCC1=4.5 to 5.5V−− 300ns
tSU
STO
Set up time13, 14VCC1=4.5 to 5.5V 4−−µs
Limits
Min.Typ.Max.
80−1300
Unit
MHz
dBm
3
MITSUBISHI ICS (TV)
PRELIMINARY
Notice:This is not a final specification.
Some parametric limits are subject to change.
METHOD OF SETTING DATA
The input information to consit of 2 or data of 4bytes to lead to Chip
Address is received in I
protocol admitted in the following.
1_STA CACBBBSTO
2_STA CAD1D2STO
3_STA CACBBBD1D2STO
4_STA CAD1D2CBBBSTO
STA : Start condition
STO : Stop condition
CA : Chip address
CB : Control data byte
BB : BandS.W. data byte
D1 : Divider data byte
D2 : Divider data byte
2
Cbus receiver. It shows a definition of bus
M64895FP/GP
I2C BUS FREQUENCY SYNTHESIZER FOR TV/VCR
The information of 5 bytes necessary for circuit operation is chip
address and control data, bandS.W . data of 2 bytes and divider byte
of 2 bytes. After the chip address input, 2 or data of 4 bytes are
received.
Function bit is contained the first and the third data byte to
distinguish between divider data and control data, band data, and
"0" goes ahead of divider data, and "1" goes ahead of control data,
bandS.W. data.
SDA
SCL
S
STA
Write mode format
Address Byte11000MA1MA00A
Devider Byte10N14N13N12N11N10N9N8A
Devider Byte2N7N6N5N4N3N2N1N0A
Control Byte11CPT2T1T0RSaRSbOSA
Band SW ByteXXXXBS4BS3BS2BS1A
1-7891-7891-789
ADDRESS
CA
ByteMSBLSB
0ACKDATAACKDATAACK
P
STO
4
MITSUBISHI ICS (TV)
PRELIMINARY
Notice:This is not a final specification.
Some parametric limits are subject to change.
TEST MODE DATA SET UP METHOD
Test Mode Bit Set Up
X: Random, 0 or 1. normal "0"
MA1 ,MA0 : Programmabule Address Bit
Address input voltageMA1MA0
0 to 0.1∗V
Always valid01
0.4∗VCC1 to 0.6*VCC110
0.9∗VCC1 to VCC111
N14 to N0 : How to set dividing ratio of the programable the divider
Dividing ratio=N14(2
Therefore, the range of division N is 1,024 to 32,768
Example) fvco=fREF×8×N
CP: Setting up the charge pump current of the phase
comparator
RSa, RSb : Set up for the reference frequency division ratio
RSaRSbDivision ratio
111/512
011/1024
X01/640
OS : Set up the tuning amplifier
OSTuning voltage outputMode
0ONNormal
1OFFTest
Power on reset operation (Initial state the power is turned ON)
BS4 to BS1: OFF
Charge pump: High impedance
Tuning amplifier: OFF
Charge pump current: 270µA
Frequency division ratio : 1/1024
Lock detector: High
TIMING DIAGRAM
START condition
SDA
BUF
t
SCL
tHD
STA
STOP conditionSTART conditionSTOP condition
LOW
trt
tHD
DAT
tf
tHIGHtSU
DAT
tSU
STA
tHD
STA
CRYSTAL OSCILLATOR CONNECTION DIAGRAM
16
18pF
4MHz
Crystal oscillator characteristics
Actual resistance : less then 300 Ω
Load capacitance : 20pF
tSU
STO
5
MITSUBISHI ICS (TV)
PRELIMINARY
Notice:This is not a final specification.
Some parametric limits are subject to change.
APPLICATION EXAMPLE
1nF
1nF
M64895FP/GP
I2C BUS FREQUENCY SYNTHESIZER FOR TV/VCR
BUILT-IN PLL TUNER
+5V
10µF
-
ADS
15
SDA
14
3
1
Vcc
M64895
Vcc
BS4
BS3
BS2
BS1
2
4
5
6
7
8
fin
1000pF
1
+B
BS4
BS3
BS2
BS1
Lo
UHFVHFVcc1 to 12V
4-BAND
TUNER
IF
IF
MCU
1nF
SCL
13
LOCK
12
1611
18pF
4MHz
1.5nF
0.1µF
Vin
9
Vtu
10
Vcc3GNDXin
2
+33V
BT
56k
56k
∗100pF
VT
2.2nF
Note) Filter constant is
for reference.
∗ Add a capacitor to stabilize
the filter circuit.
AFT
AGC
Units Resistance : Ω
Capacitance : F
AGC
6
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