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