Marantz SA-14, Service Manual

Page: 40 / 45

2-27 2-28
IC801 RH-iX1478GEZZ: System Microcomputer (IX1478GE)
MD
2
V
cc
V
cc
V
cc
V
cc
V
cc
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
PD
7
/D
15
PD
6
/D
14
PD
5
/D
13
PD
4
/D
12
PD
3
/D
11
PD
2
/D
10
PD
1
/D
9
PD
0
/D
8
PE
7
/D
7
PE
6
/D
6
PE
5
/D
5
PE
4
/D
4
PE
3
/D
3
PE
2
/D
2
PE
1
/D
1
PE
0
/D
0
PA
7
/A
23
/IRQ7
PA
6
/A
22
/IRQ6
MD
1
MD
0
PF
7
/ ø
PF
6
/AS
PF
5
/RD
PF
4
/HWR
EXTAL
XTAL
STBY
RES
WDTOVF
NMI
PF
3
/LWR
PF
1
/BACK
PF
0
/BREQ
PG
4
/CS0
PG
3
/CS1
PG
2
/CS2
PG
1
/CS3
PG
0
/CAS
P6
7
/CS7/IRQ3
P6
6
/CS6/IRQ2
P6
5
/IRQ1
P6
4
/IRQ0
P6
3
/TEND1
P6
2
/DREQ1
P6
1
/TEND0/CS5
P6
0
/DREQ0/CS4
PF
2
/LCAS/WAIT/BFEQO
PORT 1 PORT 2 PORT 4
P1
0
/PO8/TIOCA0/DACK0
P1
1
/PO9/TIOCB0/DACK1
P1
2
/PO10/TIOCC0/TCLKA
P1
3
/PO11/TIOCD0/TCLKB
P1
4
/PO12/TIOCA1
P1
5
/PO13/TIOCB1/TCLKC
P1
6
/PO14/TIOCA2
P1
7
/PO15/TIOCB2/TCLKD
P2
0
/PO0/TIOCA3
P2
1
/PO1/TIOCB3
P2
2
/PO2/TIOCC3
P2
3
/PO3/TIOCD3
P2
4
/PO4/TIOCA4
P2
5
/PO5/TIOCB4
P2
6
/PO6/TIOCA5
P2
7
/PO7/TIOCB5
P4
7
/AN7/DA1
P4
6
/AN6/DA0
P4
5
/AN5
P4
4
/AN4
P4
3
/AN3
P4
2
/AN2
P4
1
/AN1
P4
0
/AN0
V
ref
AV
cc
AV
ss
PA
5
/A
21
/IRQ5
PA
4
/A
20
/IRQ4
PA
3
/A
19
PA
2
/A
18
PA
1
/A
17
PA
0
/A
16
PB
7
/A
15
PB
6
/A
14
PB
5
/A
13
PB
4
/A
12
PB
3
/A
11
PB
2
/A
10
PB
1
/A
9
PB
0
/A
8
PC
7
/A
7
PC
6
/A
6
PC
5
/A
5
PC
4
/A
4
PC
3
/A
3
PC
2
/A
2
PC
1
/A
1
PC
0
/A
0
P3
5
/SCK1
P3
4
/SCK0
P3
3
/RxD1
P3
2
/RxD0
P3
1
/TxD1
P3
0
/TxD0
P5
0
P5
1
P5
2
P5
3
/ADTRG
PORT E PORT D
ROM *
RAM
TPU
PPG
A/D CONVERTER
D/A CONVERTER
SCI
WDT
DMAC
DTC
H8S/2000 CPU
CLOCK
OSCILLA
T
O
R
PORT A
PORT B
PORT C
PORT 3
PORT 5
PORT 6
PORT G
PORT F
INTERRUPT
CONTROLLER
INTERNAL DATA BUS INTERNAL ADDRESS BUS
BUS CONTROLLER
PERIPHERAL DATA BUS PERIPHERAL ADDRESS BUS
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.