參數(shù)資料
型號(hào): TAS5028PAGR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁(yè)數(shù): 42/86頁(yè)
文件大?。?/td> 1201K
代理商: TAS5028PAGR
Electrical Specifications
39
SLES112 — June 2004
TAS5028
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 3 - 4. 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 3 - 5. Power-Down Timing
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