wm9704m Wolfson Microelectronics plc, wm9704m Datasheet - Page 8
wm9704m
Manufacturer Part Number
wm9704m
Description
Amc97 Audio Modem Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9704M.pdf
(37 pages)
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WM9704M
WARM RESET
CLOCK SPECIFICATIONS
WOLFSON MICROELECTRONICS LTD
Figure 3 Warm Reset Timing
Figure 4 Clock Specifications (50pF External Load)
Note: Worst case duty cycle restricted to 40/60
PARAMETER
SYNC active high pulse width
SYNC inactive to BIT_CLK
startup delay
PARAMETER
BIT_CLK frequency
BIT_CLK period
BIT_CLK output jitter
BIT_CLK high pulse width (Note 1)
BIT_CLK low pulse width (Note 1)
SYNC frequency
SYNC period
SYNC high pulse width
SYNC low pulse width
BIT_CLK
BIT_CLK
SYNC
SYNC
t
SYNC_HIGH
t
CLK_PERIOD
t
CLK_HIGH
t
SYNC_HIGH
t
t
SYNC_PERIOD
SYMBOL
t
t
CLK_PERIOD
t
t
SYNC_HIGH
SYNC_LOW
CLK_HIGH
CLK_LOW
SYMBOL
t
t
SYNC_HIGH
SYNC2_CLK
t
SYNC_PERIOD
t
SYNC2CLK
32.56
32.56
MIN
t
162.4
CLK_LOW
MIN
t
SYNC_LOW
12.288
81.4
40.7
40.7
48.0
20.8
19.5
TYP
1.3
TYP
1.3
PD Rev 3.2 January 2001
48.84
48.84
MAX
MAX
750
Production Data
UNIT
UNIT
MHz
KHz
ns
ns
ps
ns
ns
s
s
s
s
8
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