Marantz SC7S1/F1N, Руководство по обслуживанию

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21 22
Pin PORT Name I/O Function Description
1 N.C. --
2 N.C. --
3 (AVcc) AVcc I Analog power
4 (X2) X2 O Sub clock
5 (X1) X1 I Sub clock Connect to GND
6 (VCL) Vcl I Internal less voltage
power pin
7 (RES) RES I Reset pin
8 (TEST) TEST I Test pin Connect to GND
9 (VSS) GND I Ground
10 (OSC2) OSC2 O System clock
11 (OSC1) OSC1 I System clock
12 (Vcc) +5 I Power supply
13 P50(WKP0) Volume
A I External Interrupt Req. Active H
14 P51(WKP1) Volume
B I External Interrupt Req. Active H
15 N.C. --
16 N.C. --
17 N.C. --
18 N.C. --
19 P52(WKP2) Selector
A I External Interrupt Req. Active H
20 P53(WKP3) Selector
B I External Interrupt Req. Active H
21 P54(WKP4) Mute-1 O Output port L(MUTE ON)
22 P55
(WKP5/ADTRG)
Mute-2 O Output port L(MUTE ON)
23 P10(TMOW) Mute-B O Output port WM8816 Mute
24 P11 N.C. I
25 P12 N.C. I
26 (SDA) SDA I/O I2C data output port Serial data to
AT24C04 EEPROM
27 (SCL) SCL O I2C clock I/O port Serial clock to
AT24C04 EEPROM
28 P74(TMRIV) VOL-CS
A O Output port WM8816 Chip Select
29 P75(TMCIV) VOL-CS
B O Output port WM8816 Chip Select
30 P76(TMOV) Power
Off I External Interrupt Req. H(POWER OFF)
31 N.C. --
32 N.C. --
Pin PORT Name I/O Function Description
33 N.C. --
34 N.C. --
35 (NMI) ICE4 Pull Up
36 P80(FTCI) N.C. I
37 P81(FTIOA) RC5 I Capture input port IR capture
38 P82(FTIOB) VOL-CLK O Output port WM8816 Clock
39 P83(FTIOC) VOL-DAT O Output port WM8816 Data Input / Output
40 P84(FTIOD) Master_H O Output port BUS control
41 P85 ICE1 For ICE connection
42 P86 ICE2 For ICE connection
43 P87 ICE3 For ICE connection
44 P20(SCK3) N.C. I
45 P21(RXD) RXD I Data input port SYSTEM Control bus input
46 P22(TXD) TXD O Data output port SYSTEM Control bus output
47 N.C. --
48 N.C. --
49 N.C. --
50 N.C. --
51 P14(IRQ0) DISP-CLR O Output port NJU3716,NJU3719
Clear signal input
52 P15(IRQ1) DISP-CLK O Output port NJU3716,NJU3719
Clock signal input
53 P16(IRQ2) DISP-DAT O Output port NJU3716,NJU3719
Serial data input
54 P17
(IRQ3/TRGV)
DISP-STB O Output port NJU3716,NJU3719
Strobe signal input
55 (PB4/AN4) N.C. I
56 (PB5/AN5) N.C. I
57 (PB6/AN6) N.C. I
58 (PB7/AN7) N.C. I
59 (PB3/AN3) DISPLAY I Input port L(SW ON)
60 (PB2/AN2) N.C. I
61 (PB1/AN1) ATT I Input port L(SW ON)
62 (PB0/AN0) ID Switch I Analog input port 1=4.5~5.0V
2=3.7~4.5V
3=2.9~3.7V
4=2.2~2.9V
5=1.4~2.2V
6=0.0~1.4V
63 N.C. --
64 N.C. --
Pin Description