TC9444F Datasheet, PDF (4/28 Pages) Toshiba Semiconductor – Single-Chip karaoke IC II

Pin No.
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
Pin Name
BCKI
LRCKI
V_DD2
RESET
IFSEL
CS
SCL
SDA
EMP
TEST
GNDD2
EXT7
EXT8
EXT9
EXTA
EXTB
EXTC
I/O
Function
I Bit clock input
I Channel clock input
¾ Digital power supply 2
I (U) Reset (“L” = reset)
I
Microcontroller interface selection
(“H” = three-lead mode, “L” = I²C mode)
Three-lead mode: Command send start signal
I
I²C: chip select
I Microcontroller interface serial clock
O Microcontroller interface serial data
¾ De-emphasis setting (“H” = ON)
I (U) Test mode setting (“H” = fixed)
I Digital ground 2
O Extended output port 7
O Extended output port 8
O Extended output port 9
O Extended output port A
O Extended output port B
O Extended output port C
TC9444F
Remarks
Schmitt input
Schmitt input
With pull-up resistor
Schmitt input
Schmitt input
Schmitt input
Schmitt input
Schmitt input
Schmitt input
With pull-up resistor
Schmitt input
4
2002-01-11