Sony RHT-G2000 Service Manual page 39

• IC Pin Function Description
MAIN BOARD IC509 M30622MEP-A52FPU0 (SYSTEM CONTROLLER)
Pin No. Pin name
DAMP SCDT/
1
DIAT_SDATA
DAMP SHIFT/
2
DIAT_SCLK
3 XSCEN
4 SIRCS_IN
5 DSP_DIN/DIR_DIN
6 DSP_DOUT
7 DSP_CLK/DIR_CLK
8 BYTE
9 CNVSS
10 EN_A
11 EN_B
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 DIR ZERO
19 DIR_CSFLAG
20 AC_CUT
21 XRST
22 V-CONTROL
23 DIAT_CSOD
24 FL_CLK/LED_CLK
25 MAMUTE
26 LED LAT
27 FL_D_OUT/LED_DATA
28 FL_CS/STB
29 I2C_CLK
30 I2C_DATA
31 DVD SID/TXD1
32 DVD SOD/RXD1
33 DVD SCO/CLK1
34 DVD XIFBUSY/RTS1
35 (NO USE)
36 DIR/AD
37 BYPASS
38 SEL1FS
39 DVD XIFCS
40 P_CONT1
41 EMP/FL_RESET
42 SEN
43 MTK XRST
44 P_CONT2
45 DEVICE
I/O
O Digital amp (IC108 to 110) data output
O Digital amp (IC108 to 110) data output
O Not used
I Sircs input
O DSP /DIR data output
I DSP data input
O DSP/DIR clock output
I External data bus (not used)
I Change processor mode
I Volume signal input from ENCODER (A)
I Volume signal input from ENCODER (B)
I System reset signal input
O Main clock output (5MHz)
— Ground terminal
I Main clock input (10MHz)
— Power supply (+3.3V)
I Not used
I DIR zero input
I DIR csflag input
I Detect AC-CUT (primary power off)
O XRST signal output (not used)
O Voltage control output (not used)
I DIAT CSOD signal output (not used)
O FL driver (IC842) clock output
I MAMUTE signal input (not used)
O LED driver latch output
O FL driver (IC842) data output
O FL driver (IC842) chip select output
I/O I2C clock input/output (not used)
I/O I2C data input/output (not used)
O Flash write TXD1 output
I Flash write RXD1 input
I Flash write CLK1 input
O Media Tec Busy request output
— Not used
O DIR/AD SYNC selector output
O A/V SYNC on/off signal output
O DIR_SELECT/Flash Write RTS1 (not used)
O DVD RF chip select signal (not used)
O Control relay for power supply
O FL driver reset signal output
I OCSW signal input (not used)
O DVD reset signal (not used)
O Control relay for power supply 2 (300ms)
I Not used
Description
RHT-G2000
39