AD1985 Analog Devices, AD1985 Datasheet - Page 8

• Manufacturer Part Number: AD1985
• Description: AC'97 2.3 Soundmax Codec W/jack Sensing
• Manufacturer: Analog Devices

AD1985
BIT_CLK
SYNC
SDATA_OUT
SDATA_IN
BIT_CLK
SYNC
t
t
RISEDOUT
t
RISESYNC
t
RISECLK
RISEDIN
t
t
Figure 6. Signal Rise and Fall Times
SYNC_HIGH
CLK_HIGH
Figure 5. Clock Timing
SDATA_IN
t
BIT_CLK
CLK_PERIOD
RESET
BIT_CLK
SYNC
t
SYNC_PERIOD
t
CLK_LOW
t
SYNC_LOW
Figure 3. Cold Reset Timing (Codec is Supplying the Bit_CLK Signal)
t
t
t
t
FALLDOUT
FALLSYNC
FALLCLK
FALLDIN
t
t
RST_LOW
SYNC_HIGH
Figure 4. Warm Reset Timing
Rev. 0 | Page 8 of 48
t
t
TRI2ACTV
TRI2ACTV
t
SDATA_OUT
SYNC2CLK
t
SDATA_IN
RST2CLK
BIT_CLK
SDATA_IN, BIT_CLK,
SDATA_OUT
SYNC
EAPD, SPDIF_OUT
SDATA_IN
AND DIGITAL I/O
BIT_CLK
BIT_CLK NOT TO SCALE
SYNC
V
SDATA_OUT
IH
Figure 7. AC Link Low Power Mode Timing
Figure 8. AC Link Low Power Mode Timing
RESET
WRITE TO
t
CO
SLOT 1
03 26
Figure 9. ATE Test Mode
t
V
V
HOLD
OL
OH
t
SETUP
SLOT 2
DATA
PR4
V
IL
t
OFF
t
SETUP2RST
t
S2_PDOWN
Hi-Z