AD1981B Analog Devices, AD1981B Datasheet - Page 5

• Manufacturer Part Number: AD1981B
• Description: AD1981B AC'97 SoundMAX® Codec
• Manufacturer: Analog Devices

REV. A
Figure 1. Cold Reset Timing (Codec is Supplying the Bit_CLK Signal)
SDATA_IN
BIT_CLK
RESET
BIT_CLK
SYNC
BIT_CLK
SYNC
SDATA_OUT
t
SYNC_HIGH
SDATA_IN
BIT_CLK
Figure 4. Signal Rise and Fall Times
SYNC
Figure 2. Warm Reset Timing
t
t
RISEDOUT
RISESYNC
t
t
RISECLK
Figure 3. Clock Timing
RISEDIN
t
CLK_HIGH
t
t
RST_LOW
SYNC_HIGH
t
CLK_PERIOD
–5–
t
SYNC_PERIOD
t
CLK_LOW
t
t
TRI2ACTV
TRI2ACTV
t
t
SYNC2CLK
SYNC_LOW
t
RST2CLK
t
t
t
t
FALLDOUT
FALLSYNC
FALLCLK
FALLDIN
AD1981B