W681310SG Nuvoton Technology Corporation of America, W681310SG Datasheet - Page 18

• Manufacturer Part Number: W681310SG
• Description: IC VOICEBAND CODEC 3V 1CH 20SOP
• Manufacturer: Nuvoton Technology Corporation of America
• Type: PCMr

Specifications of W681310SG

• Data Interface: PCM Audio Interface
• Resolution (bits): 8 b
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: No
• Voltage - Supply, Analog: 2.7 V ~ 5.25 V
• Voltage - Supply, Digital: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOP
• For Use With: W681360DK - KIT DEVELOPMENT FOR W681360
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SYMBOL
1/T
1/T
T
T
T
T
T
T
T
T
T
T
BCKH
BCKL
FSRH
FSRS
FSFH
FDTD
BDTD
HID
DRS
DRH
FST
BCK
BCLKT
PCMT
PCMR
FST
DESCRIPTION
FST Frequency
BCLKT Frequency
BCLKT HIGH Pulse Width
BCLKT LOW Pulse Width
BCLKT 0 Falling Edge to FST Rising Edge Hold Time
FST Rising Edge to BCLKT 1 Falling edge Setup Time
BCLKT 1 Falling Edge to FST Falling Edge Hold Time
FST Rising Edge to Valid PCMT Delay Time
BCLKT Rising Edge to Valid PCMT Delay Time
Delay Time from the BCLKT 16 Falling Edge (B1
channel) or BCLKT 32 Falling Edge (B2 Channel) to
PCMT Output High Impedance
Valid PCMR to BCLKT Rising Edge Setup Time
PCMR Hold Time from BCLKT Rising Edge
T
FSRH
0
1
MSB
MSB
T
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2
T
T
FSRS
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
FDTD
FSFH
T
DRS
B1 Channel
BCH = 0
T
DRH
Table 8.4 GCI PCM Timing Parameters
T
BDTD
Figure 8.4 GCI PCM Timing
T
HID
LSB
LSB
- 18 -
MSB
MSB
T
D7 D6 D5 D4 D3 D2
BDTD
T
FS
T
DRS
B2 Channel
BCH = 1
T
DRH
T
BDTD
T
BCKH
MIN
T
512
BCK
50
50
20
60
20
10
20
---
---
---
---
D1 D0
D1 D0
T
BCKL
LSB
LSB
T
TYP
HID
---
---
---
---
---
---
---
---
---
---
---
8
MAX
6176
W681310
60
60
50
60
---
---
---
---
---
---
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UNIT
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns