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参数资料
| 型号： | REJ03F0023_M61140FP |
| 厂商： | Hitachi,Ltd. |
| 英文描述： | TUNER SINGLE CHIP |
| 中文描述： | 调谐器单芯片 |
| 文件页数： | 13/29页 |
| 文件大小： | 571K |
| 代理商： | REJ03F0023_M61140FP |
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M61140FP
Rev.1.2, Apr.16.2004, page 13 of 28
T2, T1, T0 : Set up for test mode
CP T2 T1 T0
0
0
1
0
X
0
X
1
X
1
0
1
1
1
0
1
Note : fREF and f1/N is available on pin PFMST(pin 22). Test SW is for the mix filter damping switch
Rsa : Set up tuning step
Charge pump
CP switched off
CP switched on
High impedance
Sink
Source
High impedance
CP switched on
High impedance
Test output
-
-
-
-
-
fREF
-
f1/N
Test SW
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
Mode
Normal mode
Normal mode
Test mode
Test mode
Test mode
Test mode
TV test mode
Test mode
0
0
1
1
1
0
0
0
X
X
X
0
1
0
X
1
Rsa
0
1
X
OS : Set up drive output
Rsb
1
1
0
Division ratio
1/128
1/64
1/80
tuning step frequency
@4MHz X'tal
31.25kHz
62.5kHz
50.0kHz
OS
0
1
PFMST, PUHF , PVHFL,PVHFH : PORT setting
Drive output
ON
OFF("L")level
Mode
Normal mode
Test mode
PFMST,PUHF,PVHFL,PVHFH
0
1
PNP open collector output. When PUHF is "OFF", Mixer and Oscillator active VHF mode.
(2) READ mode data format
At the time of READ mode, a power-on reset state, a phase comparison machine lock detector output state, and the
state of the charge pump current change SW are outputted to a master device.
Read mode data format
Output
OFF
ON
Byte
Address Byte
Status Byte
MSB
1
POR
X: 0 or 1 Don't care
1
FL
0
ACPS
0
X
0
X
MA1
X
MA0
X
LSB
R/W=1
X
A
A
POR: Power on reset flag. Output is "1" at power-on
Set to "1" when the time of a power supply voltage injection or power supply voltage falls
in about 3V or less.
Reset by "0", if a Request to Send is carried out in READ mode and a flag is returned.
Power supply voltage is about 3v or more, Reset by "0", after returning a flag in READ
mode.
FL: Lock detector flag. Output is "1" at locked, output is "0" at unlocked.
ACPS: Automatic charge pump current flag. Output is "0" at charge pump current automatically
switched mode, output is "1" at other mode.
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