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參數(shù)資料
| 型號： | LC89058W-E |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, SQFP-48 |
| 文件頁數(shù)： | 46/46頁 |
| 文件大小： | 284K |
| 代理商： | LC89058W-E |
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LC89058W-E
No.A1056-9/64
7.5 Points to Notice about Replacing
When replacing the LC89057W-VF4A-E with the LC89058W-E, it may be necessary to review the circuit pattern
design of the printed circuit board in advance depending how the device is used. Particular attention should be
directed to pins 44 to 48 whose I/O functionality can be set according to the INT pin setting. This section contains
the notes and cautions to be observed when replacing the LC89057W-VF4A-E with the LC89058W-E. For details of
the INT pin, see Chapter 9, Initial System Settings and Chapter 10, Description of Demodulation Function.
Refer to the specifications of LC89057W-VF4A-E when replacing LC89058W-E with LC89057W-VF4A-E.
Table 7.8: Differences between LC89057W-VF4A-E and LC89058W-E (Pins 44 to 48)
INT Pin
LC89057W-VF4A-E
LC89058W-E
Modulation function
General-purpose I/O function
S/PDIF
Pin.44
Pin.45
Pin.46
Pin.47
Pin.48
Pin.44
Pin.45
Pin.46
Pin.47
Pin.48
TMCK
TBCK
TLRCK
TDATA
TXO
GPIO0
GPIO1
GPIO2
GPIO3
RXOUT2
Pull-down
Input
Output
Input
Output
General-purpose I/O function
S/PDIF
Pin.44
Pin.45
Pin.46
Pin.47
Pin.48
Pin.44
Pin.45
Pin.46
Pin.47
Pin.48
PIO0
PIO1
PIO2
PIO3
PIOEN
GPIO0
GPIO1
GPIO2
GPIO3
RXOUT2
Pull-up
In/Output
Input
Output
7.5.1 Change from LC89057W-VF4A-E to LC89058W
7.5.1 When the INT pin is set to pull-down
Figure 7.1 Change from LC89057W-VF4A-E to LC89058W-E (when the INT pin is set to pull-down)
In this case, the system that doesn't use a modulation function or a general-purpose I/O function can be replaced with
LC89058W-E.
After the replacement, LC89058W-E is used on condition that it pins 44 to 47 connect with GND and pin 48 open.
LC89057W-VF4A-E
INT
TLRCK
TDATA
TBCK
TXO
TMCK
Pin. 35
Pin. 46
Pin. 45
Pin. 47
Pin. 44
Pin. 48
LC89058W-E
INT
GPIO2
GPIO3
GPIO1
RXOUT2
GPIO0
Pin. 35
Pin. 46
Pin. 45
Pin. 47
Pin. 44
Pin. 48
Print Board
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