wm9704m Wolfson Microelectronics plc, wm9704m Datasheet - Page 7

• Manufacturer Part Number: wm9704m
• Description: Amc97 Audio Modem Codec
• Manufacturer: Wolfson Microelectronics plc

Production Data
DETAILED TIMING DIAGRAMS
AC-LINK LOW POWER MODE
COLD RESET
WOLFSON MICROELECTRONICS LTD
Test Characteristics:
AVDD = 5V, GND = 0V …………..T
DVDD = 3.3V, GND = 0V …………..T
All measurements are taken at 10% to 90% VDD, unless otherwise stated.
Figure 1 AC-Link Powerdown Timing
Figure 2 Cold Reset Timing
PARAMETER
End of slot 2 to BITCLK SDATIN low
PARAMETER
RESETB active low pulse width
RESETB inactive to BIT_CLK
startup delay
SDATA_OUT
SDATA_IN
BIT_CLK
BIT_CLK
RESETB
SYNC
SLOT 1
TO 0X20
WRITE
t
S2_PDOWN
SLOT 2
DATA PR4
A
t
= 0
RST_LOW
A
= 0
o
C to +70
o
C to +70
t
SYMBOL
SYMBOL
S2_PDOWN
t
t
DON’T
CARE
RST2_CLK
RST_LOW
o
C, unless otherwise stated
o
C, unless otherwise stated
t
RST2CLK
162.8
MIN
MIN
1.0
TYP
TYP
PD Rev 3.2 January 2001
MAX
MAX
1.0
WM9704M
UNIT
UNIT
ns
s
s
7