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參數(shù)資料
| 型號(hào)： | TLV320AD11A |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | Codec |
| 英文描述： | 3.3 V INTEGRATED ADSL OVER POTS CODEC |
| 中文描述： | 3.3伏集成ADSL POTS和編解碼器 |
| 文件頁(yè)數(shù)： | 13/28頁(yè) |
| 文件大?。?/td> | 412K |
| 代理商： | TLV320AD11A |
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TLV320AD11A
3.3 V INTEGRATED ADSL OVER POTS CODEC
SLWS087B – JUNE 1999 – REVISED MARCH 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
register programming (continued)
examples
:
Positive SCR5 + positive SCR4
(0x24
×
2
4
+ 0x42) = 0
×
240 + 0
×
42 = 0
×
282 = 642 decimal
Analog output = (642 + 2048)
V = 2690
V = 1.971 V
The read back values of SCR5 and SCR4 are 0
×
02 and 0
×
82
Positive SCR5 + negative SCR4
(0x24
×
2
4
+ 0
×
C2) = 0
×
240 + 0
×
FC2 = 0
×
202 = 514 decimal
Analog output = (514 + 2048)
V = 2562
V = 1.877 V
The read back values of SCR5 and SCR4 are 0
×
02 and 0
×
02
Negative SCR5 + positive SCR4
(0xA2
×
2
4
+ 0
×
42) = 0
×
A20 + 0
×
42 = 0
×
A62 = –1438 decimal
Analog output = (–1438 + 2048)
V = 610
V = 0.447 V
The read back values of SCR5 and SCR4 are 0
×
0A and 0
×
62
Negative SCR5 + negative SCR4
(0xA2
×
2
4
+ 0
×
C2) = 0
×
A20 + 0
×
FC2 = 0
×
9E2 = –1566 decimal
Analog output = (–1566 + 2048)
V = 482
V = 0.353 V
The read back values of SCR5 and SCR4 are 0
×
09 and 0
×
E2
SCR6 – general-purpose output data register Address:0110b
Contents at reset: 00000000b
D7
D6
D5
D4
D3
D2
D1
D0
REGISTER
VALUE (HEX)
DESCRIPTION
0/1
–
–
–
–
–
–
–
GP7 = low(0)/high(1)
–
0/1
–
–
–
–
–
–
GP6 = low(0)/high(1)
–
–
0/1
–
–
–
–
–
GP5 = low(0)/high(1)
–
–
–
0/1
–
–
–
–
GP4 = low(0)/high(1)
–
–
–
–
0/1
–
–
–
GP3 = low(0)/high(1)
–
–
–
–
–
0/1
–
–
GP2 = low(0)/high(1)
–
–
–
–
–
–
0/1
–
GP1 = low(0)/high(1)
–
–
–
–
–
–
–
0/1
GP0 = low(0)/high(1)
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