參數資料
型號: SN761678BDBT
廠商: Texas Instruments, Inc.
英文描述: TV TUNER IC
中文描述: 電視調諧器集成電路
文件頁數: 11/20頁
文件大?。?/td> 321K
代理商: SN761678BDBT
www.ti.com
I
2
C Read Mode (R/W = 1)
SN761678B
TV TUNER IC
SLES185–JUNE 2006
Table 3. Address Selection
MA1
0
0
1
1
MA0
0
1
0
1
VOLTAGE APPLIED ON AS INPUT
LOW: 0 V to 0.1 V
CC
MID2: open, or 0.2 V
CC
to 0.3 V
CC
MID1: 0.4 V
CC
to 0.6 V
CC
HIGH: 0.9 V
CC
to V
CC
Table 4. Test Bits
(1)
T2
0
0
0
1
1
1
T1
0
0
1
1
1
0
T0
0
1
X
0
1
X
DEVICE OPERATION
Normal operation
Normal operation
Charge pump is off.
Charge pump is sink.
Charge pump is source.
Test mode
NOTE
Default
ADC not available
(1)
Not used for other bit patterns
Table 5. Reference Divider Ratio
RSA
X
0
1
RSB
0
1
1
REFERENCE DIVIDER RATIO
640
1024
512
Table 6. Read Data Format
MSB
1
POR
LSB
R/W = 1
A0
Address byte (ADB)
Status byte (SB)
1
0
1
0
1
0
1
MA1
A2
MA0
A1
A
(1)
FL
(1)
A = Acknowledge
Table 7. Read Data Symbol Description
SYMBOL
MA[1:0]
DESCRIPTION
DEFAULT
Address-set bits (see
Table 3
)
Power-on-reset flag
POR set: Power on
POR reset: End-of-data transmission procedure
In-lock flag
PLL locked (FL = 1), PLL unlocked (FL = 0)
Digital data of ADC (see
Table 8
)
POR
POR = 1
FL
A[2:0]
11
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