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參數(shù)資料
| 型號： | TC94A04AF |
| 廠商： | Toshiba Corporation |
| 英文描述： | 1 CHIP AUDIO DIGITAL PROCESSOR |
| 中文描述： | 1芯片音頻數(shù)字處理器 |
| 文件頁數(shù)： | 4/42頁 |
| 文件大?。?/td> | 565K |
| 代理商： | TC94A04AF |
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TC94A04AF/AFD
2001-11-15
4
Pin Functions
Pin No.
TC94A
04AF
TC94A
04AFD
(Note 3)
Symbol
I/O
Function
Remarks
1
2
V
DX
Power pin for oscillator circuit
2
3
XI
I
Crystal oscillator connecting or clock input pin
3
4
XO
O
Crystal oscillator connecting pin
4
5
GNDX
Ground pin for crystal oscillator circuit.
5
7
GNDA1
Analog ground pin for DAC-Lch
6
8
AI1
I
DAC-Lch attenuator input pin
7
9
AO1
O
DAC-Lch signal output terminal
8
11
AOT1
O
DAC-Lch attenuator output pin
9
13
V
DA12
Analog power pin for DAC-L/Rch
10
14
AOT2
O
DAC-Rch attenuator output pin
11
15
AO2
O
DAC-Rch signal output pin
12
17
AI2
I
DAC-Rch attenuator input pin
13
18
GNDA2
Analog ground terminal for DAC-Rch
14
20
VRO1
O
Reference voltage output pin-1 for DAC
15
21
VRI
I
Reference voltage pin for DAC
16
23
VRO2
O
Reference voltage output pin-2 for DAC
17
24
GNDA3
Analog ground pin for DAC-Cch
18
25
AI3
I
DAC-Cch attenuator input pin
19
26
AO3
O
DAC-Cch signal input pin
20
27
AOT3
O
DAC-Cch attenuator output pin
21
28
V
DA34
Analog power pin for DAC-C/Sch
22
30
AOT4
O
DAC-Sch signal output pin
23
32
AO4
O
DAC-Sch signal output pin
24
33
AI4
I
DAC-Sch attenuator input pin
25
35
GNDA4
Analog ground pin for DAC-Sch
26
37
V
DDR
Power pin for delay RAM
27
38
GNDR
Ground pin for delay RAM
28
39
SYNC
I
Program SYNC signal input pin
Schmitt input,
TTL/CMOS
(Note 2)
29
40
ELRI/O
I/O
LR clock input/output pin for serial data (DIN/DOUT)
Schmitt input,
TTL/CMOS
(Note 2)
30
41
EBCI/O
I/O
Bit clock input/output pin for serial data (DIN/DOUT)
Schmitt input,
TTL/CMOS
(Note 2)
31
43
DIN2
I
Serial data input pin 2
Schmitt input,
TTL/CMOS
(Note 2)
Note 2: 28 to 33 pin (TC94A04AF): Input level changes TTL/CMOS level by the command (42h: VS). Output is fixed
to CMOS level.
In case of TC94A04AFD, pin number are 39 to 41 pins and 43 to 46 pins.
Note 3: In case of TC94A04AFD, these are NC pins as below. Normally open, otherwise it connects to V
DD
or GND.
6, 10, 12, 16, 19, 22, 29, 31, 34, 36, 42, 44, 47, 51, 56, 62 to 64, 73, 77 pins.
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