WM8141 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8141 Datasheet PDF : 31 Pages
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WM8141
INPUT VIDEO SAMPLING
tPER
tMCLKH tMCLKL
MCLK
VSMP
INPUT
tVSMPSU
tVSMPH
tVSU
tVH
VIDEO
Production Data
tRSU
tRH
Figure 1 Input Video Timing
Test Conditions
AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, TA = 0 to 70°C, MCLK = 12MHz unless otherwise stated
PARAMETER
MCLK period
SYMBOL
TEST CONDITIONS
MIN
TYP
tPER
83.3
MCLK high period
tMCLKH
37.5
MCLK low period
tMCLKL
37.5
VSMP set-up time
tVSMPSU
10
VSMP hold time
tVSMPH
10
Video level set-up time
tVSU
10
Video level hold time
tVH
15
Reset level set-up time
tRSU
10
Reset level hold time
tRH
15
Notes: 1.
2.
tVSU and tRSU denote the set-up time required after the input video signal has settled.
Parameters are measured at 50% of the rising/falling edge.
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
OUTPUT DATA TIMING
MCLK
tPD
OP[11:0]
Figure 2 Output Data Timing
WOLFSON MICROELECTRONICS LTD
PD Rev 3.0 October 2000
8
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