Marantz SA1/F1N Service Manual page 42

IC801 RH-iX1478GEZZ: System Microcomputer (IX1478GE)
MD
2
MD
1
MD
0
EXTAL
XTAL
STBY
RES
WDTOVF
NMI
INTERRUPT
CONTROLLER
PF /
ø
7
PF /AS
6
PF /RD
ROM *
5
PF /HWR
4
PF /LWR
3
PF /LCAS/WAIT/BFEQO
2
PF /BACK
1
PF /BREQ
0
RAM
PG /CS0
4
PG /CS1
3
PG /CS2
2
PG /CS3
1
PG /CAS
0
P6 /CS7/IRQ3
TPU
7
P6 /CS6/IRQ2
6
P6 /IRQ1
5
P6 /IRQ0
4
P6 /TEND1
PPG
3
P6 /DREQ1
2
P6 /TEND0/CS5
1
P6 /DREQ0/CS4
0
PORT 1
PORT D PORT E
H8S/2000 CPU
DTC
DMAC
WDT
SCI
D/A CONVERTER
A/D CONVERTER
PORT 2 PORT 4
2-27
IC802 RH-iX1535GEZZ: Input/Output Expander (IX1535GE) (1/2)
Pin No. Terminal Name Input/Output
1 VDD
2-4 HADR0-HADR2
5 HCS
6 HWR
7 HRD
8-15 HDAT0-HDAT7 Input/Output
16 VSS
PA /A /IRQ7
7 23
PA /A /IRQ6 17 VDD
6 22
PA /A /IRQ5
18 EXPPAL0, SLDCK 1
5 21
PA /A /IRQ4
4 20
19 EXPPAL1, SLDCK 2
PA /A
3 19
20 EXPPAL2, CW/CCW
PA /A
2 18
PA /A
21 EXPPAL3, DACCK
1 17
PA /A
0 16 22 EXPPAU0, DACDT
PB /A
7 15 23* EXPPAU1 Input/Output
PB /A
6 14
24 VSS
PB /A
5 13
PB /A 25 VDD
4 12
PB /A
26 EXPPAU2
3 11
PB /A
2 10 27 EXPPAU3
PB /A
1 9
28 EXPBL0, EXTCK
PB /A
0 8
29 EXPBL1, EXTDO
PC /A
7 7
PC /A
30 EXPBL2, EXTST
6 6
PC /A
5 5
31 EXPBL3, VOLCS
PC /A
4 4
32 VSS
PC /A
3 3
PC /A
33 VDD
2 2
PC /A
34 EXPBU0, EXTDI
1 1
PC /A
0 0
35 EXPBU1, MECSW1
36 EXPBU2, MECSW2
P3 /SCK1
5
37 EXPBU3, SMODE
P3 /SCK0
4
38 EXPC0, DVD_L
P3 /RxD1
3
P3 /RxD0
39 EXPC1, SMUTE
2
P3 /TxD1
1
40 EXPC2, AMUTE
P3 /TxD0
0
41 VSS
P5
0
42 EXPC3 Input/Output
P5
1
43 EXPC4, DSDCTL
P5
2
P5 /ADTRG
44 EXPC5, SEEK
3
45 EXPD0, GAIN0
46 EXPD1, GAIN1
47 EXPD2, GAIN2
48 VSS
49 VDD
50 EXPD3, MMUTE
51 EXPD4 Input/Output
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.
Function
- Power supply +3.3V
Input CPU address bus
Input CPU chip select
Input CPU write signal
Input CPU read signal
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
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
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"
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
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