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TC94A04AFG Datasheet, PDF (6/42 Pages) Toshiba Semiconductor – 1 chip Audio Digital Processor
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Explanation of Block Operations
1. Explanation Pin Operations
TC94A04AFG/AFDG
Pin No.
TC94A
04AFG
TC94A
04AFDG
(Note 3)
Symbol
Function
2
3
XI Master mode: Connect the crystal oscillator
3
4
XO Slave mode: Supplies an external master clock to XI.
Master clock is 768 fs. Each master-clock frequency to fs is as follows.
fs
768 fs
32 kHz
44.1 kHz
48 kHz
96 kHz
24.576 MHz
33.868 MHz
36.864 MHz
36.864 MHz
1, 4 to 25 2, 5 to 35
26
37
27
38
28
39
29
40
30
41
Omitted
⎯
VDDR Power pin for delay RAM
GNDR Ground pin for delay RAM
SYNC Program SYNC signal input pin
ELRI/O LR clock pin for serial data input (DIN)/serial data output (DOUT).
When you carry out a slave operation to a serial input/output data, please set it as an input.
And when you carry out a master operation, please set it as an output (command 43h: SIOS).
Output frequency can perform selection of 1 fs/2 fs by ELRQS (command: 40h).
EBCI/O Bit clock pin for serial data input (DIN)/serial data output (DOUT).
When you carry out a slave operation to a serial input/output data, please set it as an input.
And when you carry out a master operation, please set it as an output (command 43h: SIOS).
Output frequency can be select as follows by EBCQS (command: 40h).
EBCQS [1:0] Output Frequency
0
32 fs
1
64 fs
2
128 fs
3
for test
31
43
DIN2
Serial data input pin. The serial data of a total of 6-channels can be inputted. Switching of the
32
45
DIN1 number of channel is set by CHSI (command: 42h). Moreover, switching of master/slave
function is set by SIS (command: 42h)
33
46
DIN0
34
48
DOUT Serial data output pin. Connected to internal register for output in DSP block.
The internal register connected is set up by CHSO (command: 43h).
35
49
VDD Power pin
36
50
RST Reset pin. “L” at initialization.
Note 3: In case of TC94A04AFDG, 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.
6
2005-09-28
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