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參數(shù)資料
| 型號(hào)： | AK4589VQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 2/8-Channel Audio CODEC with DIR |
| 中文描述： | 2/8-Channel音頻編解碼器迪爾 |
| 文件頁數(shù)： | 70/76頁 |
| 文件大小： | 838K |
| 代理商： | AK4589VQ |
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ASAHI KASEI
[AK4589]
MS0339-E-00
2004/09
- 70 -
(2)-2 WRITE Operations
Set R/W bit = “0” for the WRITE operation of the AK4589.
After receipt the start condition and the first byte, the AK4589 generates an acknowledge, and awaits the second byte
(register address). The second byte consists of the address for control registers of AK4589. The format is MSB first, and
those most significant 3-bits are “Don’t care”.
*
*
*
A4
A3
A2
A1
A0
(*: Don’t care)
Figure 45. The Second Byte
After receipt the second byte, the AK4589 generates an acknowledge, and awaits the third byte. Those data after the
second byte contain control data. The format is MSB first, 8bits.
D7
D6
D5
D4
D3
D2
D1
D0
Figure 46. Byte structure after the second byte
The AK4589 is capable of more than one byte write operation by one sequence.
After receipt of the third byte, the AK4589 generates an acknowledge, and awaits the next data again. The master can
transmit more than one words instead of terminating the write cycle after the first data word is transferred. After the
receipt of each data, the internal 5bits address counter is incremented by one, and the next data is taken into next
address automatically. If the address exceed 1FH prior to generating the stop condition, the address counter will “roll
over” to 00H and the previous data will be overwritten.
SDA
S
T
A
R
T
A
C
K
A
C
K
S
Slave
Address
A
C
K
Register
Address(n)
Data(n)
P
S
T
O
P
Data(n+x)
A
C
K
Data(n+1)
Figure 47. WRITE Operation
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| AK45C048HS002-6 | 制造商:ASTEC 制造商全稱:Astec America, Inc 功能描述:36 Vdc to 75 Vdc Inputs, 100 W |
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