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參數資料
型號: W62410
廠商: WINBOND ELECTRONICS CORP
元件分類: 數字信號處理
英文描述: A Digital Speech Signal Processor(數字語音信號處理器)
中文描述: 8-BIT, 24.576 MHz, OTHER DSP, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, PLASTIC, QFP-100
文件頁數: 132/147頁
文件大小: 1932K
代理商: W62410
NO.:
W62410 API
VERSION:
A
PAGE
132
The above information is the exclusive intellectual property of Winbond Electronics and shall not be
disclosed, or reproduced without permission from Winbond.
The host can write a 16-bit command in the following way:
Check that the /DACK pin is set high to be sure you can send a new command to the W62410.
The
μ
Controller has to toggle HWrClk and HWrD to send the 16-bit command to the Command Register of
the W62410. The W62410 samples in the HWrD, with LSB first, at the falling edge of HWrClk. After
having received 16 falling edges, the HWrClk returns to low and the complete 16-bit command has been
stored in the command register of the W62410.
The HIF asserts ComRdy and generates an IRQ_HOST inside the W62410. After the W62410 has read the
16-bit command, the ComRdy signal will return to the low state.
Serial Host Interface timing
Host Write, HWrClk Normal Low
HWrClk
HWrD
D0
D14
D13
D15
IRQ_HOST
DSP RD
ComRdy
D1
/DACK
The host can read the 16-bit result in the following way:
When the W62410 writes into the result register, then the /DACK pin will be set low.
The
μ
Controller
has to toggle the HRdClk to sample the HRdD. The
μ
Controller will receive the
16-bit data
with LSB first on the HRdD pin, at the falling edge of HRdclk. After 16 falling edges
the complete result has been received, HRdClk returns to low and the /DACK pin will be set
high again.
Serial Host Interface timing
Host Read, HRdClk in Normal Low
HRdClk
HRdD
D15
D14
D1
D0
/DACK
DSP WR
Response
IRQ_HOST
*
*
Note * : Hi-Z
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