TC9446FG Datasheet, PDF (4/41 Pages) Toshiba Semiconductor – Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio

Pin Functions
Pin
No.
Symbol
1
RST
2
MIMD
3
MICS
4
MILP
5
MIDIO
6
MICK
7
MIACK
8
FI0
9
FI1
10
FI2
11
FI3
12
IRQ
13
V_SS
14
LRCKA
15
BCKA
16
SDO0
17
SDO1
18
SDO2
19
SDO3
20
LRCKB
21
BCKB
22
SDI0
23
SDI1
24
V_DD
25
LRCKOA
26
BCKOA
27
TEST0
28
TEST1
29
LRCKOB
30
BCKOB
31
TXO
32
TEST2
33
TEST3
34
RX
35
V_SS
I/O
Description of Pin Functions
I Reset signal input terminal (L: reset, H: normal operation)
I Mode select input for MCU interface (L: serial, H: I²C bus)
I Chip select input for MCU interface
I Latch pulse input for MCU interface
I/O Data input and output for MCU interface
I Clock input for MCU interface
O Acknowledge output for MCU interface
I Flag input 0
I Flag input 1
I Flag input 2
I Flag input 3
I Interruption input
⎯ Digital ground
I LR clock input-A for audio interface
I Bit clock input-A for audio interface
O Data output-0 for audio interface
O Data output-1 for audio interface
O Data output-2 for audio interface
O Data output-3 for audio interface
I LR clock input-B for audio interface
I Bit clock input-B for audio interface
I Data input-0 for audio interface
I Data input-1 for audio interface
⎯ Digital power supply
O LR clock output-A for audio interface
O Bit clock output-A for audio interface
I Test input-0 (L: test, H: normal operation)
I Test input-1 (L: test, H: normal operation)
O LR clock output-B for audio interface
O Bit clock output-B for audio interface
O SPDIF output
I Test input-2 (L: test, H: normal operation)
I Test input-3 (L: test, H: normal operation)
I SPDIF input
⎯ Digital ground
4
TC9446FG
Remarks
Pull-up resistor,
Schmitt input
Pull-down resistor,
Schmitt input
Schmitt input
Schmitt input
Schmitt input/
Open-drain output
Schmitt input
Pull-up resistor,
Schmitt input
Pull-up resistor,
Schmitt input
Pull-up resistor,
Schmitt input
Pull-up resistor,
Schmitt input
Pull-down resistor,
Schmitt input
Schmitt input
Schmitt input
Schmitt input
Schmitt input
Schmitt input
Schmitt input
Pull-up resistor,
Schmitt input
Pull-up resistor,
Schmitt input
Pull-up resistor,
Schmitt input
Pull-up resistor,
Schmitt input
Schmitt input
2005-09-28