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參數(shù)資料
| 型號(hào)： | TC94A04AFD |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 34/42頁 |
| 文件大小： | 559K |
| 代理商： | TC94A04AFD |
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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
VDX
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
VDA12
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
VDA34
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
VDDR
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 VDD 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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