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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)： | 10/46頁 |
| 文件大?。?/td> | 284K |
| 代理商： | LC89058W-E |
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LC89058W-E
No.A1056-18/64
9.3 Master/Slave Settings (CKST)
A master/slave function that allows multi-channel synchronized transfer using multiple LC89058W-Es is included.
For this setting, connects either a 10k
Ω pull-down or a pull-up resistor to CKST.
Set to the master mode normally, when single LC89058W-E IC is used. When multiple LC89058W-Es are used, set
one of them to the master mode and the others to the slave mode.
In the multi-channel synchronous transfer mode using multiple LC89058W-Es, connect RBCK and RLRCK (output)
on the master side to RBCK and RLRCK (input) on the slave side. Also connect XMCK on the master side to XIN on
the slave side. At this time, the polarity of RBCK and RLRCK, and the frequency of XIN and XMCK must be
identical.
The master/slave function runs correctly with the multiple LC89058W-Es connected.
Be sure to connect either a pull-down resistor or a pull-up resistor to CKST.
Always supply the clock to RBCK and RLRCK when the slave function is set.
Table 9.4: Master/Slave Switching (Register Connection)
CKST
Mode
Pull-down
Master
Pull-up
Slave
Table 9.5: Clock Pin State
Pin
Master mode
Slave mode
RMCK
Output
RBCK
Output
Input
RLRCK
Output
Input
9.4 Pins 44 to 47 I/O settings ( INT )
Pins 44 to 47 are provided with a bidirectional buffer.
When setting I/O function of pins 44 to 47, connect a 10kΩ pull-down or pull-up resistor to INT .
Be sure to connect either a pull-down resistor or a pull-up resistor to INT .
Table 9.6: Pins 44 to 47 I/O Settings (Resistor Connection)
___
INT
Mode
Pull-down
Input.
Pull-up
Output.
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