W681310SG Nuvoton Technology Corporation of America, W681310SG Datasheet - Page 17

• 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
BCKH
BCKL
FSRH
FSRS
FSFH
BDTD
HID
DRS
DRH
FS
BCK
BCLKT
PCMR
PCMT
FST
DESCRIPTION
FST Frequency
BCLKT Frequency
BCLKT HIGH Pulse Width
BCLKT LOW Pulse Width
BCLKT –1 Falling Edge to FST Rising Edge
Hold Time
FST Rising Edge to BCLKT 0 Falling edge
Setup Time
BCLKT 0 Falling Edge to FST Falling Edge
Hold Time
BCLKT Rising Edge to Valid PCMT Delay
Time
Delay Time from the BCLKT 8 Falling Edge
(B1 channel) or BCLKT 18 Falling Edge (B2
Channel) to PCMT Output High Impedance
Valid PCMR to BCLKT Falling Edge Setup
Time
PCMR Hold Time from BCLKT Falling Edge
T
FSRH
-1
0
T
FSRS
T
FSFH
1
MSB
MSB
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
T
BDTD
2
T
DRS
3
B1 Channel
BCH = 0
4
T
DRH
5
Table 8.3 IDL PCM Timing Parameters
T
BDTD
6
7
Figure 8.3 IDL PCM Timing
8
LSB
LSB
T
9
HID
10
T
FS
- 17 -
11 12
MSB
MSB
T
D7 D6 D5 D4 D3 D2
D7 D6 D5 D4 D3 D2
BDTD
T
DRS
13
B2 Channel
14
T
BCH = 1
DRH
T
MIN
256
15 16
BCKH
50
50
20
60
20
10
10
20
75
---
T
BDTD
T
BCK
17
T
BCKL
Publication Release Date: April 2007
D1 D0
D1 D0
18
LSB
LSB
TYP
T
---
---
---
---
---
---
---
---
---
---
HID
8
MAX
4800
60
50
---
---
---
---
---
---
---
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W681310
Revision B14
UNIT
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns