HCD-DZ260/DZ270/HDZ278
68
Pin No.
Pin Name
I/O
Description
1
DAMP_SCDT/DIR_DIN
O
DAMP processor and DIR data output
2
DAMP_SHIFT/DIR_CLK
O
DAMP processor and DIR clock output
3
CEC_RX_IN
I
CEC data input
4
SIRCS_IN
I
Sircs input
5
DSP_MOSI/ASEL4
O
Audio input select signal output. (Not used in this set)
6
DSP_MISO/ASEL5
O
Audio input select signal output. (Not used in this set)
7
DSP_SPICLK
O
Not used (Open)
8
BYTE
I
External data bus input. (Connected to ground)
9
CNVSS
I
Change processor mode input (L: Single chip mode)
10, 11
EN_A, EN_B
I
Volume control pulse input for ENCODER
12
RESET
I
System reset signal input
13
XOUT
O
Crystal output for main clock (5MHz)
14
VSS
—
Ground
15
XIN
I
Crystal input for main clock (5MHz)
16
VCC
—
Power supply (BUP+3.3V)
17
NMI
I
Not used (Fixed to “H” (BUP+3.3V))
18
DIR_ZERO INT2
O
Not used (Open)
19
DIRCSFLAG INT3
/A.CAL_OUT_LEVEL
I
Out level detect for auto calibration input
20
AC_CUT INT0
I
AC-CUT detect signal input
21
FL_CLK/LED_CLK
O
FL and LED driver clock output
22
CEC_TX_OUT
O
CEC data output
23
FL_CS/STB
O
FL and LED driver chip select signal output
24
FL_D_OUT/LED_DATA
O
FL and LED driver data output
25
DIVER_RST_CS/
S-AIR_SRC_MUTE
O
Not used (Open)
26
MIC_GAIN
O
MIC gain control signal output
27
CDM_OPEN_SW/
XM_SEL
I
CDM open switch signal input
28
DC_CONT
O
A.CAL MIC DC control signal output
29
DMP_RX_IN
I
DMPOART data input
30
DMP_TX_OUT
O
DMPOART data output
31
DVD_SID
O
Serial data output to CDX9917R/CDX9927R
32
DVD_SOD
I
Serial data input from CDX9917R/CDX9927R
33
DVD_SCO
I
Serial clock input from CDX9917R/CDX9927R
RTS signal output to CDX9917R/CDX9927R
Not used (Open)
Not used (Open)
Chip select signal output from CXD9917R/CDX9927R
System reset output
Power control signal output
Power control signal output
Power control signal output
42
DRIVE_RST(EN)
O
D-AMP driver reset signal output
43
SD(DIAG)/PVDD_DET
I
D-AMP driver shut down signal input
44
OVERFLOW1
I
D-AMP processor F/C/S over
fl
ow detect signal input
45
OVERFLOW2
I
D-AMP processor SW over
fl
ow detect signal input
46
WRITE CE
I
Not used (Fixed to “H” (+3.3V)))
47
I2C_DATA
I/O
EEPROM I2C serial data input/output
48
I2C_CLK
I/O
EEPROM I2C serial clock input/output
49
DAMP LATCH3
O
D-AMP processor latch-3 signal output
50
DAMP INIT
O
D-AMP processor reset signal output
51
DAMP SOFT MUTE
O
D-AMP processor soft mute signal output
MAIN BOARD (5/9) IC501 R5F3640DDFA (SYSTEM CONTROL)
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