KOS-A200
8
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
USB MAIN MICROCOMPUTER: M30620MCPA28GP (X14: IC1)
Pin No.
Pin Name
I/O
Application
Processing Operation Description
1~5
NC
O
Not used
Open output L fixed
6
BYTE
I
External data bus switching input
GND connection, fixed to “L” at single chip mode
7
CNVSS
I
Processor mode switching
L: PullDown connection, single chip mode
(H: Micro processor mode)
8
_MUTE
O
Audio MUTE control
L: MUTE ON, H: MUTE OFF
9
NC
O
Not used
Open output L fixed
10
_RESET
I
Reset detection
L: RESET, H: NORMAL
11
XOUT
O
Main clock output
X’tal connection
12
VSS
-
Power supply input
GND connection
13
XIN
I
Main clock input
X'tal connection
14
VCC1
-
Power supply input
BU3.3V connection
15
_NMI
I
_NMI interrupt input
Input H (PullUp) fixed
16
_MSTOP
I
Standby return interrupt
L: STOP, H: STOP cancel (Hi edge)
17
NC
O
Not used
Open output L fixed
18
DSP INT
I
(DSP) Interruption signal input
H: Interruption (Hi edge)
19~22
NC
O
Not used
Open output L fixed
23
E2P SCL
I/O
(E2P) I2C clock output
24
E2P SDA
I/O
(E2P) I2C data input/output
25,26
NC
O
Not used
Open output L fixed
27
SCL
I
(System
µ
-com) I2C clock input
28
SDA
I/O
(System
µ
-com) I2C data input/output
29
DSP TXD
O
(DSP) Data output for serial data
Not used
30
DSP RXD
I
(DSP) Data input for serial data
Not used
31
DSP CLK
O
(DSP) Clock output for serial data
Not used
32
DSP STB (BUSY)
O
(DSP) Data strobe signal output (FLASH: BUSY)
Not used
33
CS SDATA
O
(Decoder) Data output for serial data
Not used
34
CS BDATA
I
(Decoder) Data input for serial data
Not used
35
CS CLK
O
(Decoder) Clock output for serial data
Not used
36~38
NC
O
Not used
Open output L fixed
39
_EPM
O
Not used (FLASH: _EPM)
Open output L fixed
40
PON D3.3
O
D3.3V POWER ON control terminal
H: POW ON, L: POW OFF
41
PON A5
O
A5.0V POWER ON control terminal
H: POW ON, L: POW OFF
42
PON CS1
O
CS7410 series 3.3V POWER ON control terminal
H: POW ON, L: POW OFF
43
PON CS2
O
CS7410 series 1.8V POWER ON control terminal
H: POW ON, L: POW OFF
44
_CE
O
Not used (FLASH: _CE)
Open output L fixed
45
_DRV MUTE
O
Driver MUTE
L: STOP, H: MUTE OFF
46,47
NC
O
Not used
Open output L fixed
48
ZERO_M
I
0bit MUTE detection
H: MUTE ON, L: MUTE OFF
49
DE-EMPHASIS
O
(DAC) De-emphasis control
H: De-emphasis ON, L: OFF
