參數(shù)資料
型號: TAS5028APAGRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 41/82頁
文件大小: 1347K
代理商: TAS5028APAGRG4
Electrical Specifications
39
SLES120 September 2004
TAS5028A
3.6.4 Reset Timing (RESET)
3.6.4.1
Control Signal Parameters Over Recommended Operating Conditions (Unless
Otherwise Noted)
PARAMETER
MIN
TYP
MAX
UNITS
tr(DMSTATE) Time to M-STATE low
370
ns
tw(RESET)
Pulse duration, RESET active
400
None
ns
tr(I2C_ready) Time to enable I2C
3
ms
tr(run)
Device startup time
10
ms
tw(RESET)
Earliest time
that M-State
could be exited
RESET
M-State
tr(DMSTATE) = ~ < 300 ns
tr(I2C_ready)
Start system
tr(run)
Determine SCLK rate
and MCLK ratio Enable I2C
Figure 34. Reset Timing
Since a crystal time base is used, the system determines the CLK rates. Once the data rate and master clock
ratio is determined, the system outputs audio if a master volume command is issued.
3.6.5 Power-Down (PDN) Timing
3.6.5.1
Control Signal Parameters Over Recommended Operating Conditions (Unless Otherwise
Noted)
PARAMETER
MIN
TYP
MAX
UNITS
tp(DMSTATE) Time to M-STATE low
300
s
Number of MCLKs preceding the release of PDN
5
tsu
Device startup time
120
ms
PDN
M-State
tsu
tp(DMSTATE) = ~ < 300 s
Figure 35. Power-Down Timing
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