參數(shù)資料
型號(hào)： AKD4353VF
英文描述： Consumer IC
中文描述： 消費(fèi)性IC
文件頁(yè)數(shù)： 21/33頁(yè)
文件大小： 251K
代理商： AKD4353VF
ASAHI KASEI
[AK4353]
MS0016-E-02
2001/05
- 21 -
n
Reset function
When RSTN = “0”, the DAC is powered down but the internal register values are not initialized. The analog outputs go
to VCOM voltage and DZF pin goes to “H”. Figure 12 shows the sequence of reset by RSTN bit.
Internal
State
RSTN bit
Digital Block Power-down
Normal Operation
GD
GD
“0” data
D/A Out
(Analog)
D/A In
(Digital)
Clock In
MCKI,LRCK,BICK
(1)
(3)
DZF
(3)
(1)
(2)
Normal Operation
2/fs(5)
Internal
RSTN bit
2~3/fs (6)
Don’t care
(4)
Notes:
(1) The analog output corresponding to digital input has the group delay (GD).
(2) Analog outputs go to VCOM voltage.
(3) Click noise occurs at the edges(“
↑
↓
”) of the internal timing of RSTN bit. This noise is output even if “0” data
is input.
(4) The external clocks (MCKI, BICK and LRCK) can be stopped in the reset mode (RSTN = “L”).
(5) DZF pin goes to “H” when the RSTN bit becomes “0”, and goes to “L” at 4~5/fs after RSTN bit becomes “1”.
(6) There is a delay, 2~3/fs from RSTN bit “1” to the internal RSTN “1”.
Figure 12. Reset sequence example
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