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Pin No.
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I/O DescriptionPin Name
MD 2
HSTX
RDS CLOCK
RDS DATA
VOL UP
VOL DOWN
—
U-RESET
U-SREQ
U-MREQ
U-DATA
U-CLOCK
AUBUS-IN
SP-A
SP-B
POWER-KEY IN
AUBUS-OUT
VIRSION IN1
VIRSION IN 2
VIRSION IN 3
VIRSION IN 4
VIRSION IN 5
VIRSION OUT 1
VIRSION OUT 2
JOG-UP
JOG-DOWN
RESET
—
—
—
VSS
X0
X1
VCC
—
—
LED CLK
LED DATA
LED CE
LED CLR
—
—
MBUS-V1
MBUS-DVD
MBUS-TV
MBUS-STATUS
—
LAT
—
—
I
I
I
I
O
O
—
O
I
O
O
O
I
I
I
I
O
I
I
I
I
I
O
O
I
I
I
—
—
—
—
—
—
—
—
—
I
I
I
I
—
—
I
I
I
I
—
O
—
—
MD 2 (To MD2 of MB90573)
Hardware STANDBY input
RDS clock input
RDS data input
Volume up data output
Volume down data output
Not used (Connected to ground)
Reset output (Connected to MB90573 RESET)
Slave request and data input (Connected to MB90573 SLV DATA/REQ)
Master request output (Connected to MB90573 DISPMR)
Master data output (Connected to MB90573 DISP DATA)
Master clock output (Connected to MB90573 DISPCLK)
Audio bus input
Speaker A signal input.
Speaker B signal input.
POWER-KEY input.
Audio bus output
Virsion input.
Virsion input.
Virsion input.
Virsion input.
Virsion input.
Virsion output.
Virsion output.
Function encoder up input.
Function encoder down input.
Reset (Display MCU)
Not used (Connected to ground)
Not used (Connected to ground)
Not used (Connected to ground)
Ground (Connected to ground)
External ceramic filter 4 MHz is connected to this terminal
External ceramic filter 4 MHz is connected to this terminal
Power supply +5 V
Not used. (Connected to ground)
Not used. (Connected to ground)
LED clock input.
LED data input.
LED chip eneble input.
LED clear input.
Not used. (Connected to ground)
Not used. (Connected to ground)
V1 input from MBUS
DVD input from MBUS
TV input from MBUS
STATUS input from MBUS
Not used. (Connected to ground)
Learning microprocessor latch output
Not used. (Connected to ground)
Not used. (Connected to ground)