DX-SX1H
– 57 –
IC802 RH-iX1535GEZZ: Input/Output Expander (IX1535GE) (1/2)
1
VDD
—
Power 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 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 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 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 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.