Marantz N1G Service Manual download pdf (Page 39)

3-12

No. Pin Port Function I/O Initial Mode Action Note Description

(USER1:H/USER2:H)

70 P20/A0(/D0/?) A0 O A0 ADRRES LINE

71 P17/D15/INT5~ P17 O H ICLK IIC CLK FOR EE_ROM(AT24C04N)

72 P16/D14/INT4~ P16 I/O H IDAT IIC DATA FOR EE_ROM(AT24C04N)

73 P15/D13/INT3~ P15 I OPN_SW TRAY OPEN DETECT SW

74 P14/D12 P14 I CLS_SW TRAY CLOSE DETECT SW

75 P13/D11 P13 O H PCMRST DE:RESET for DXP7001 or

Ma:DISPLAY LED(L:ON)

Flash(w:pull

up)

RESET for

DXP7001(reset=L)

76 P12/D10 P12 I FILTI SACD: DAC SYSTEM CLK

SWITCHING CONTOROL IN

(Low:384fs/

Hi:192fs)

for FILTER-SW

77 P11/D9 P11 O H MUT2 MUTING for MULTI

CHANNEL(H:MUTE)

RELAY/TR

78 P10/D8 P10 O H MUT1 MUTING for STEREO

CHANNEL(H:MUTE)

RELAY/TR

79 P07/D7 D7 I/O D7 8bit DATA LINE

80 P06/D6 D6 I/O D6 8bit DATA LINE

81 P05/D5 D5 I/O D5 8bit DATA LINE

82 P04/D4 D4 I/O D4 8bit DATA LINE

83 P03/D3 D3 I/O D3 8bit DATA LINE

84 P02/D2 D2 I/O D2 8bit DATA LINE

85 P01/D1 D1 I/O D1 8bit DATA LINE

86 P00/D0 D0 I/O D0 8bit DATA LINE

87 P107/AN7/KI3~ P107 O H MODE CD/SACD SWITCHING

SIGNAL(L:CD,SACD:H)

Switching of digital

audio data for SACD

and CD(L=CD,

H=SACD)

Data transwission

hold to recognition of

the next DISC

88 P106/AN6/KI2~ P106 O L FCS DISPLAY CHIP SERECT for FL

DRIVER

ML9207-01GP chip

select

89 P105/AN5/KI1~ P105 O H DSRST2 DSP RESET2 for SURROUND

CHANNEL or ATT

Mute signal fo Search

90 P104/AN4/KI0~ P104 O H DSRST1 DSP RESET1 for FRONT CHANNEL RESET for DAC

(reset=L)

91 P103/AN3 P103 O L FRRST DISPLAY DRIVER RESET ML9207-01GP reset

92 P102/AN2 AN2 I KEY2 KEYS SENS

93 P101/AN1 AN1 I KEY1 KEYS SENS

94 AVSS AVSS - GND AD GND

95 P100/AN0 AN0 I KEY0 KEYS SENS

96 VRef Vref I 3.3V AD reference

97 AVcc AVcc - 3.3V AD Vcc

98 P97/ADTRG~/SIN4 P97 I USER2 MODEL SELECT 2 H

99 P96/ANEX1/SOUT4 SOUT4 O L FDAT DISPLAY DATA for FL DRIVER ML9207-01GP control

data

100 P95/ANEX0/CLK4 CLK4 O L FCLK DISPLAY CLOCK for FL DRIVER ML9207-01GP control

clock

IC731 : M30624FGNGP

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Marantz N1G Service Manual Page 39

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