Sony HCD-DX155 Service Manual page 59

• IC Pin Function Description
MAIN BOARD IC501 M30622MEP-A61FPU0 (SYSTEM CONTROLLER)
Pin No. Pin Name
DAMP_SCDT/
1
DIAT_SDATA
DAMP_SHIFT/
2
DIAT_SCLK
3 DSP_INTR
4 SIRCS_IN
5 DSP_MOSI/DIR_DIN
6 DSP_MISO
7 DSP_SPICLK/DIR_CLK
8 BYTE
9 CNVSS
10 EN_A
11 EN_B/FL_RESET
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 DIR_ZERO
DIR_CSFLAG/
19
A.CAL_OUT_LEVEL
20 AC_CUT
21 FL_CLK/LED_CLK
22 LED_LAT
23 DIAT_CSOD
24 FL_D_OUT/LED_DATA
25 FL_CS/STB
26 MIC_GAIN
27 CDM_OPEN_SW
28 DC_CONT
29 I2C_CLK
30 I2C_DATA
31 DVD_SID
32 DVD_SOD
33 DVD_SCO
34 DVD_XIFBUSY
XM_SC_TX_OUT/
35
MIC_DET_OUT
XM_SC_RX_IN/
36
KARAOKE MODE
37 DVD XIFCS
38 MTK RST
39 P_CONT1
40 P_CONT2
41 P_CONT3
42 DRIVE_RST (EN)
I/O
O DAMP processor and Diat data output
O DAMP processor and Diat clock output
I DSP interrupt (not used)
I Sircs input
O DSP and DIR data output (not used)
I DSP data input (not used)
O DSP/DIR clock output (not used)
I External data bus (Ground terminal)
I Change processor mode (Pull down)
I Volume control for ENCODER (Pull up)
I Volume control for ENCODER (Pull up)
I System reset signal input
O Crystal output for main clock (5MHz)
— Ground terminal
I Crystal input for main clock (5MHz)
— Power supply (BUP+3.3V)
I BUP+3.3V
I DIR zero data detect (not used)
I Out level detect for auto calibration
I Detect AC-CUT
O FL and LED driver clock output
O LED driver latch
I DIAT CSOD signal input (not used)
O FL and LED driver data output
O FL driver chip select
O MIC gain control
I CDM open switch input
O A.CAL MIC DC control output
2
I/O 1 C clock input
2
I/O 1 C data input
O Media Tek data out/Flash white TXD1
I Media Tek data in/Flash white RXD1
I Media Tek clock in/Flash white CLK1
O Media Tek busy reguest/Flash white RTS1
O MIC detect status out to Media Tek (not used)
I KARAOKE mode information from Media Tek (not used)
I Media Tek chip select
O Media Tek reset
O Contral for power supply 1
O Contral for power supply 2
O Contral for power supply 3
O DAMP driver reset
HCD-DX155/DX255
Description
59