TC94A04AFG Datasheet, PDF (4/42 Pages) Toshiba Semiconductor – 1 chip Audio Digital Processor

TC94A04AFG/AFDG
Pin Functions
Pin No.
TC94A
04AFG
TC94A
04AFDG
(Note 3)
Symbol
1
2
V_DX
2
3
XI
3
4
XO
4
5
GNDX
5
7
GNDA1
6
8
AI1
7
9
AO1
8
11
AOT1
9
13
V_DA12
10
14
AOT2
11
15
AO2
12
17
AI2
13
18
GNDA2
14
20
VRO1
15
21
VRI
16
23
VRO2
17
24
GNDA3
18
25
AI3
19
26
AO3
20
27
AOT3
21
28
V_DA34
22
30
AOT4
23
32
AO4
24
33
AI4
25
35
GNDA4
26
37
V_DDR
27
38
GNDR
I/O
Function
⎯ Power pin for oscillator circuit
I Crystal oscillator connecting or clock input pin
O Crystal oscillator connecting pin
⎯ Ground pin for crystal oscillator circuit.
⎯ Analog ground pin for DAC-Lch
I DAC-Lch attenuator input pin
O DAC-Lch signal output terminal
O DAC-Lch attenuator output pin
⎯ Analog power pin for DAC-L/Rch
O DAC-Rch attenuator output pin
O DAC-Rch signal output pin
I DAC-Rch attenuator input pin
⎯ Analog ground terminal for DAC-Rch
O Reference voltage output pin-1 for DAC
I Reference voltage pin for DAC
O Reference voltage output pin-2 for DAC
⎯ Analog ground pin for DAC-Cch
I DAC-Cch attenuator input pin
O DAC-Cch signal input pin
O DAC-Cch attenuator output pin
⎯ Analog power pin for DAC-C/Sch
O DAC-Sch signal output pin
O DAC-Sch signal output pin
I DAC-Sch attenuator input pin
⎯ Analog ground pin for DAC-Sch
⎯ Power pin for delay RAM
⎯ Ground pin for delay RAM
28
39
SYNC
I Program SYNC signal input pin
29
40
ELRI/O I/O LR clock input/output pin for serial data (DIN/DOUT)
30
41
EBCI/O I/O Bit clock input/output pin for serial data (DIN/DOUT)
31
43
DIN2
I Serial data input pin 2
Remarks
Schmitt input,
TTL/CMOS
(Note 2)
Schmitt input,
TTL/CMOS
(Note 2)
Schmitt input,
TTL/CMOS
(Note 2)
Schmitt input,
TTL/CMOS
(Note 2)
Note 2: 28 to 33 pin (TC94A04AFG): Input level changes TTL/CMOS level by the command (42h: VS). Output is
fixed to CMOS level.
In case of TC94A04AFDG, pin number are 39 to 41 pins and 43 to 46 pins.
Note 3: In case of TC94A04AFDG, 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.
4
2005-09-28