Sharp DX-SX1H Service Manual page 57

IC802 RH-iX1535GEZZ: Input/Output Expander (IX1535GE) (1/2)
Pin No. Terminal Name
1 VDD
2-4 HADR0-HADR2
5 HCS
6 HWR
7 HRD
8-15 HDAT0-HDAT7
16 VSS
17 VDD
18 EXPPAL0, SLDCK 1
19 EXPPAL1, SLDCK 2
20 EXPPAL2, CW/CCW
21 EXPPAL3, DACCK
22 EXPPAU0, DACDT
23* EXPPAU1
24 VSS
25 VDD
26 EXPPAU2
27 EXPPAU3
28 EXPBL0, EXTCK
29 EXPBL1, EXTDO
30 EXPBL2, EXTST
31 EXPBL3, VOLCS
32 VSS
33 VDD
34 EXPBU0, EXTDI
35 EXPBU1, MECSW1
36 EXPBU2, MECSW2
37 EXPBU3, SMODE
38 EXPC0, DVD_L
39 EXPC1, SMUTE
40 EXPC2, AMUTE
41 VSS
42 EXPC3
43 EXPC4, DSDCTL
44 EXPC5, SEEK
45 EXPD0, GAIN0
46 EXPD1, GAIN1
47 EXPD2, GAIN2
48 VSS
49 VDD
50 EXPD3, MMUTE
51 EXPD4
52 EXPD5, EMPH
53 BUFDO, RST_01
54 BUFDI
55 SBUFBO
56 SBUFBI
57 SBUFAO
58 SBUFAI
59 MRST
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
— Power supply +3.3V
Input CPU address bus
Input CPU chip select
Input CPU write signal
Input CPU read signal
Input/Output CPU data bus
— Digital GND
— Power supply +3.3V
Output Driving clock output for stepping motor driver
Output Mode control output for stepping motor driver
Output Rotating direction control output for stepping motor driver
Output Clock signal for electronic capacity IC
Output Data signal for electronic capacity IC
Input/Output General input/output terminal Gr.A
— Digital GND
— Power supply +3.3V
Input General input/output terminal Gr.A
Output General input/output terminal Gr.A
Output Control clock output to 1-bit amplifier
Output Control data output to 1-bit amplifier
Output Control strobe output to 1-bit amplifier
Output Chip select signal for electronic capacity IC
— Digital GND
— Power supply +3.3V
Input Control data input from 1-bit amplifier
Input Tray position detection input
Input Mechanism stop mode detection input
Input Operating mode set input. Opened (S-MODE)
Output SACD disc inserted/CD stopped: L
Output Soft mute signal for SACD decoder
Output Audio mute. In case of playback/manual search
— Digital GND
Input/Output General input/output terminal Gr.C
Output Output control signal for DSD 1-bit signal
Output General input/output terminal Gr.C
Output Gain control signal for RF pre-amplifier
Output Gain control signal for RF pre-amplifier
Output Gain control signal for RF pre-amplifier
— Digital GND
— Power supply +3.3V
Output Main relay control signal. After reading disc TOC: "H"
Input/Output General input/output terminal Gr.D
Output De-emphasis signal output
Output Buffer output D/Reset signal output for peripheral IC
Input Buffer input D
Output Schmitt buffer output B
Input Schmitt buffer input B
Output Schmitt buffer output A
Input Schmitt buffer input A
Input Reset terminal
Function
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DX-SX1H