參數(shù)資料
型號: AK4543VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: AC’97 Rev 2.1 Multimedia Audio CODEC
中文描述: AC\u0026#39;97音效活2.1多媒體音頻編解碼器
文件頁數(shù): 10/31頁
文件大小: 385K
代理商: AK4543VQ
[ASAHI KASEI]
[AK4543]
<M0046-E-01>
1999/01
- 10 -
n
Activate Test Mode
V
IH
V
IH
T
setup2rst
T
off
SDATA_IN
BIT_CLK
SDATA_OUT
HI-Z
RESET#
n
AKM Test Mode
V
IH
V
IH
T
setup2rst
SYNC
SDATA_OUT=L
RESET#
Notes:
1
1. All AC-link signals are normally low through the trailing edge of RESET#. Bringing SDATA_OUT high for the rising edge of RESET#
causes the AK4543 AC-link outputs to go high impedance which is suitable for ATE in circuit testing.
Note that the AK4543 enters in
the ATE test mode regardless SYNC is high or low.
2. Bringing both SYNC high and SDATA_OUT low for the rising edge of RESET# causes AKM test mode.
3.
Once test modes have been entered, the only way to return to the normal operating state is to issue “cold reset” which issues RESET#
with both SYNC and SDATA_OUT low.
1
All the following sentences written with small italic font in this document quote the AC’97 component specification.
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