Marantz SR7500/A1B Service Manual page 59

IC36 (DSP PCB): H8S/2505(HD64F2505)
Port
Pin I/O
mode = 7
65 P45/AN5 I,I
66 P44/AN4 I,I
67 AVss I
68 P43/AN3 I,I
69 P42/AN2 I,I
70 P41/AN1 I,I
71 P40/AN0 I,I
72 Vref I
73 AVcc I
74 P50/TxD2 I/O,O
75 P51/RxD2 I/O,I
76 P52/SCK2 I/O,O
77 PF0/~IRQ2 I/O,I
78 PF1/BUZZ I/O,O
79 PF2 I/O
80 PF3/~ADTRG/ I/O,I,I
~IRQ3
81 PF4 I/O
82 PF5 I/O
83 PF6 I/O
84 P1Vcc I
85 PF7/ I/O,O
86 Vss I
87 TEST I
88 VCL I
89 OSC2 I
90 OSC1 I
91 NMI I
92 MD2 I
93 XTAL I
94 Vss I
95 EXTAL I
96 Vcc I
97 MD0 I
98 MD1 I
99 ~STBY I
100 ~RES I
101 P20/TIOCA3 I/O,O
102 P21/TIOCB3 I/O,I/O
103 P22/TIOCC3 I/O,I/O
104 P23/TIOCD3 I/O,I/O
105 P24/TIOCA4 I/O,I/O
106 P25/TIOCB4 I/O,I/O
107 P26/TIOCA5 I/O,I/O
108 P27/TIOCB5 I/O,I/O
109 P17/TIOCB2/ I/O,I/
TCLKD O,I/O
110 P16/TIOCA2/ I/O,I/O,I
~IRQ1
111 P15/TIOCB1/ I/O,I/
TCLKC O,I/O
112 P14/TIOCA1/ I/O,I/O,I
~IRQ0
113 P13/TIOCD0/ I/O,I/
TCLKB O,I/O
114 P12/TIOCC0/ I/O,I/
TCLKA O,I/O
115 P11/TIOCB0 I/O,I/O
116 P10/TIOCA0 I/O,I/O
117 Vss I
118 P2Vcc I
119 P37/TxD4 I/O,O
Use STBY Name
AD AD MODE1
AD AD P_LINE_FAIL
- I AVSS
AD AD _5V_DOWN
AD AD KEY2
AD AD KEY1
AD AD KEY0
YES I VCC
YES I AVCC
SO SO DSPOUT
SI SI DSPIN
SC SC DSPCLK
INT I RERR
O I CP_SEL1
O I CP_SEL2
INT I REQ1
O I CP_SEL3
O I V_CONV_SEL
O I COMP_MUTE
YES I VCC
NO I NC
- I VSS
NO I TEST
- I VCL
NO I NC
NO I VSS
NO I NMI
YES I MD2
YES I XTAL
NO I VSS
YES I EXTAL
YES I VCC
YES I MD0
YES I MD1
NO I _STBY
YES I _RES
O I PUREDIRECT_
LED
O I MIC_ENABLE
I I MIC_DETECT
I I SPKC_SW
O I SPKC_CONT
O I KILLFLASH
T_OUT O RC_OUT
T_OUT O M_RC_OUT
I I M_RC_IN
INT INT WAKEUP
T_IN I VSYNC
INT I _P_DPWN
O O KILLIR
O I DC_OUT1
O I DC_OUT2
T_IN I RC_IN
YES I VSS
YES I VCC
SO O USB_CSDAO
Port Setting
Note
Act. init
- - CPU mode1
- - Emergency Protection
- - GND
- - Detect 5V
- - Front Key
- - Front Key
- - Front Key
- - +5V'
- - +5V'
DSP, DIR Control Data OUT
DSP, DIR Control Data IN
DSP, DIR Control CLOCK
H - DIR ERROR
NJM2584 1/3
NJM2584 2/3
L - DSP INTER Q
NJM2584 3/3
NJM2586
NJM2586
- - +5V'
- - open
- - GND
- - GND
- - GND (0.47uF)
- - open
- - GND
- - Fix H
- - Nomal:H, Bool:L
- - Xtal(20MHz)
- - GND
- - Xtal(20MHz)
- - +5V'
- - Fix H
- - Fix H
L H Fix H
L - RESET
L H PURE DIRECT LED On
MIC Enable
- - MIC Input Detection
- - Speaker C Switch
C-Relay Control
Kill Flasher OUT
L RC BUS OUT
L RC BUS MULT OUT
L H Multi RC5 IN Detect Signal
- Standby Mode Release
- V-sync Det. & Change OSD
L - Power Down Detect
H L Kill to IR Input Signal
L H DC Triger1
L H DC Triger2
- IR In for RC-5
- - GND
- - +5V'
- - Serial Data IN from USB Module (USB_CSDAI)
This is not used.
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