參數(shù)資料
型號(hào)： AS3543-ECTP
廠商： ams
文件頁數(shù)： 21/92頁
文件大?。?/td> 0K
描述： IC CODEC AUDIO FRONT END 68CTBGA
標(biāo)準(zhǔn)包裝： 4,000
類型： 音頻編解碼器
應(yīng)用： 便攜式音頻，電話
安裝類型： 表面貼裝
封裝/外殼： 68-TFBGA
供應(yīng)商設(shè)備封裝： 68-CTBGA（6x6）
包裝： 帶卷 (TR)
www.austriamicrosystems.com
Revision 1.11
27 - 91
AS3543 3v2
Data Sheet - D e t a i l e d D e s c r i p t i o n - A u d i o F u n c t i o n s
8.7
2-Wire-Serial Control Interface
8.7.1
General
There is an I2C slave block implemented to have access to 64 byte of setting information.
The I2C address is: Adr_Group8 - audio processors
8Ch_write
8Dh_read
8.7.2
Protocol
Figure 13. Byte Write
Figure 14. Page Write
Byte Write and Page Write formats are used to write data to the slave.
The transmission begins with the START condition, which is generated by the master when the bus is in IDLE state
(the bus is free). The device-write address is followed by the word address. After the word address any number of data
bytes can be sent to the slave. The word address is incremented internally, in order to write subsequent data bytes on
subsequent address locations.
Table 18. 2-Wire Serial Symbol Definition
Symbol
Definition
RW
Note
S
Start condition after stop
R
1 bit
Sr
Repeated start
R
1 bit
DW
Device address for write
R
1000 1100b (8Ch)
DR
Device address for read
R
1000 1101b 8Dh)
WA
Word address
R
8 bit
A
Acknowledge
W
1 bit
N
No Acknowledge
R
1 bit
reg_data
Register data/write
R
8 bit
data (n)
Register data/read
W
8 bit
P
Stop condition
R
1 bit
WA++
Increment word address internally
R
during acknowledge
AS3543 (=slave) receives data
AS3543 (=slave) transmits data
ams
AG
Technical
content
still
valid
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