LV25200M Datasheet, PDF (26/45 Pages) Sanyo Semicon Device – Bi-CMOS IC Single chip Tuner IC for Car Radio

IN2
BBBBAAAA
01230123
10010100
Address Code
LV25200M
AM-SD-SPEED
0 Normal
1 fast
FM AGC ON
0 Normal
1 ON
AM AGC ON
0 Normal
1 ON
Dead zone control
DZ0 DZ1
Dead zone
0
0
1
0
0
1
1
1
DZA
DZB
DZC
DZD
Charge pump control
0 Normal
1 Low-level
Initial data
at power ON
LLLHL L L L LHHL L L L L L L L L L L L L L L L L L L L L
(10)
(11) (12)
(13) (14) (15) (16)
(17)
(18) (19) (20) (21) (22) (23)
LSI internal signal
I/O port
Control data
0: Input 1: Output
Normally, 0
X’tal OSC ADJ
0 0 0 High(+390Hz)
100 ↓
010 ↓
1 1 0 20.5MHz (center value)
001 ↓
101 ↓
011 ↓
1 1 1 Low (-350Hz)
IF count input sensitivity
0 Normal
1 Worse
LSI test mode
Normally,
TEST0=0
TEST1=0
TEST2=0
PDC
*0
01
11
High impedance
Charge pump operation (unlocked)
Charge pump operation (normal)
CTS
0
1
IF count stop
IF count normal operation
DO pin control data
ULD DT1 DT0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
DO pin
Low when unlocked
end-AD
end-UC
(See IN below)
Open
end-AD
end-UC
(See IN below)
DO pin control data 2
IL0
IL1
0
0
1
0
0
1
1
1
IN
Open
SD pin state (PIN13)
Pin I2 state (not used)
Do not use
Unlock detection changeover
UL0 UL1 φE detection width Detection pin output
0
0
1
0
0
1
1
1
Stop
0
±0.5μs
±1μs
Open
φE output directly
φE extended by 1 to 2ms
φE extended by 1 to 2ms
IF count measuring time setting
Frequency measurement
GT1 GT0 _Measurement
Wait time
time
CTP=0 CTP=1
Frequency
measurement
mode
00
01
10
11
4
3 to 4ms 1 to 2ms 1 cycle
8
3 to 4 1 to 2
1 cycle
32
7 to 8 1 to 2 2 cycles
64
7 to 8 1 to 2 2 cycles
No.A0976-26/45