參數(shù)資料
型號(hào): TAS5504PAGRG4
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): 50/96頁(yè)
文件大小: 1216K
代理商: TAS5504PAGRG4
Electrical Specifications
47
SLES123 October 2004
TAS5504
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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