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參數(shù)資料
| 型號： | TA1375FG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Single Conversion Tuner for Digital TV / CATV |
| 中文描述： | 單轉(zhuǎn)換調(diào)諧器，數(shù)字電視/有線電視 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 247K |
| 代理商： | TA1375FG |
TA1375FG
2005/05/23
19
DATA FORMAT
A) WRITE MODE
MSB
1
0
N7
1
LSB
R/W=0
N8
N0
OS
B1
1
2
3
4
5
Address Byte
Divider Byte 1
Divider Byte 2
Control Byte
Band SW Byte
1
0
0
0
MA1
N10
N2
Rsa
B3
MA0
N9
N1
Rsb
B2
ACK
ACK
ACK(L)
ACK(L)
ACK(L)
N14
N6
CP
N13
N5
T2
N12
N4
T1
N11
N3
T0
B4
:DON’T CARE
ACK :Acknowledged
(L)
:Latch and transfer timing
B) READ MODE
MSB
1
POR
LSB
R/W=1
1
1
2
Address Byte
Status Byte
1
FL
0
1
0
1
0
1
MA1
1
MA0
1
ACK
-
ACK :Acknowledged
DATA SPECIFICATIONS
MA1,MA0 : programmable hardware address bits
MA1
MA0
0
0
0
1
1
0
1
1
N14 – N0 : programmable counter data
CP : charge pump output current setting
[0]
: + 145uA(typ.)
[1]
: + 210uA(typ)
T2,T1,T0 : test mode setting bits
CHARACTERISTIC
Normal operation
OFF
SINK
Charge-pump
SOURCE
Reference signal output
1/2 counter divider output
ADDRESS PIN APPLIED VOLTAGE
0 to 0.1Vcc1
OPEN or 0.2Vcc1 to 0.3Vcc1
0.4Vcc1 to 0.6Vcc1
0.9Vcc1 to Vcc1
T2
0
0
1
1
1
1
T1
0
1
1
1
0
0
T0
NOTE
-
Charge pump is OFF (check output : NF)
Only charge pump sink current is ON (check output : NF)
Only charge pump source current is ON (check output : NF)
Reference signal output (check output : pin21)
1/2 counter output (check output : pin15)
0
1
0
1
note9: Testing of the counter driver output requires the input of programmable counter data.
Rsa,Rsb : Reference frequency divider ratio select bit.
Rsa
Rsb
DIVIDER RATIO
0
0
0
1
1
0
1
1
STEP FREQUENCY
50.0kHz
142.86kHz
166.67kHz
62.5kHz
1/80
1/28
1/24
1/64
OS : tuning amplifier control bit
[0] : tuning amplifier ON (normal operation)
[1] : tuning amplifier OFF (charge pump is sink mode)
POR : power on reset flag
[0]
: normal operation
[1] : reset operation
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