參數(shù)資料
型號(hào)： FQ1216MPH-3
廠商： NXP Semiconductors N.V.
英文描述： Multi-Standard Desktop Video Modules
中文描述： 多標(biāo)準(zhǔn)桌面視頻模塊
文件頁數(shù)： 13/30頁
文件大?。?/td> 790K
代理商： FQ1216MPH-3
Philips RF Solutions
Tuner Part Programming (Write Mode)
BIT ALLOCATION
(WRITE MODE , R/W = 0).
Product specification
3139 149 10330
13
Rev g : 16.02.2004
Multi-Standard Desktop Video Module
FQ1216ME MK3
Write Data
MSB
bit6
bit5
bit4
bit3
bit2
bit1
LSB
ACK
Address Byte ADB
1
1
0
0
0
MA1
MA0
R/W=0
A
Divider Byte 1 DB1
0
N14
N13
N12
N11
N10
N9
N8
A
Divider Byte 2 DB2
N7
N6
N5
N4
N3
N2
N1
N0
A
Control Byte CB
1
CP
T2
T1
T0
RSA
RSB
OS
A
Bandswitch Byte BB
P7
P6
P5
P4
P3
P2
P1
P0
A
Auxiliary Byte AB (note *)
ATC
AL2
AL1
AL0
0
0
0
0
A
Note *: By default it is set to AL2=0, AL1=1, AL0=0. This sets the tuner TOP to 112 dBuV upon power-on
reset.
ADDRESS SELECTION (BYTE ADB)
Voltage at terminal 6
Address
MA1
MA0
0 .......... 0.1 V
cc
C0
0
0
0.2..........0.3 V
cc
C2
0
1
0.4 ........ 0.6 V
cc
C4
1
0
0.9 V
cc
...... 5 V
C6
1
1
Note: If the AS pin is left floating, the internal biasing will automatically set the address to C2.
PROGRAMMABLE DIVIDER SETTING (BYTES DB1 AND DB2)
Divider ratio:
N = F
OSC
/F
ss
where F
OSC
= ( F
RF
+ F
IF
) and F
ss
is the step-size set by RSA and RSB as described below.
N = 8192*N13 + 4096*N12 + 2048*N11 + 1024*N10 + 512*N9 + 256*N8 +
128*N7 + 64*N6 + 32*N5 + 16*N4 + 8*N3 + 4*N2 + 2*N1 + N0
Note: F
IF
= 38.9 MHz, except for L' mode. In this case F
IF
= 33.95 MHz
CONTROL BYTE CB
Charge Pump Setting:
CP can be set to either 0 (low current) or 1 (high current).
CP = 1, charge pump current = 280uA results in fastest tuning (default mode)
CP = 0 , charge pump current = 60uA results in moderate speed tuning with slightly better residual oscillator
Test Mode Setting:
T2 = 0, T1 = 0, T0 = 1 for normal operation (default)
T2 = 0, T1 = 1, T0 = 1 indicates that Byte AB will follow Byte CB instead of Byte BB for the current IIC Byte
sequence.
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