WM8191 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8191 Datasheet PDF : 27 Pages
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Advanced Information
PARALLEL INTERFACE
WM8191
STB
OP[13:6]
ADC DATA OUT
tASU
Hi-Z
tSTB
tAH
ADDRESS IN
tDSU
tDH
Hi-Z
DATA IN
tSTDO
ADC DATA OUT
tSTAO
REG. DATA OUT
ADC DATA OUT
DNA
tADLS
tADLH
tADHS
tADHH
tOPZ
RNW
tOPD
Figure 5 Parallel Interface Timing
Test Conditions
AVDD1 = AVDD2 = DVDD1 = 4.75 to 5.25V, DVDD2 = DVDD3 = 2.97 to 3.63V, AGND = DGND = 0V, TA = 0 to 70°C,
MCLK = 12MHz unless otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
RNW low to OP[13:6] Hi-Z
tOPZ
Address set-up time to STB low
tASU
0
DNA low set-up time to STB low
tADLS
10
Strobe low time
tSTB
50
Address hold time from STB high
tAH
10
DNA low hold time from STB high
tADLH
10
Data set-up time to STB low
tDSU
0
DNA high set-up time to STB low
tADHS
10
Data hold time from STB high
tDH
10
Data high hold time from STB high
tADHH
10
RNW high to OP[13:6] output
tOPD
Data output propogation delay from
STB low
tSTDO
ADC data out propogation delay
from STB high
tSTAO
Note: Parameters are measured at 50% of the rising/falling edge.
TYP
MAX
20
35
35
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
WOLFSON MICROELECTRONICS LTD
AI Rev 3.1 April 2001
9
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