Yamaha CRD-HD1300 Service Manual page 34

CDR-HD1300/CDR-HD1300E
QQ
3 7 63 1515 0
IC2 : HD6417014F28 (MAIN P.C.B.)
µ-COM (CPU)
No. Port
57 D11
58 D10
59 D9
60 D8
61 Vss
62 D7
63 D6
64 D5
65 Vcc
66 D4
67 D3
68 D2
69 D1
70 D0
71 Vss
72 XTAL
73 MD3
74 EXTAL
75 MD2
76 NMI
77 Vcc
78 MD1
79 MD0
80 PLLVCC
TE
L 13942296513
81 PLLCAP
82 PLLVSS
83 CK
84 /RES
85 TIOC0A LED_HD_B
86 TIOC0B LED_HD_A
87 TIOC0C LED_CD_B
88 TIOC0D LED_CD_A
89 PE4
90 Vss
91 AN0 PUI_KEY0
92 AN1 PUI_KEY1
93 AN2 PUI_KEY2
94 AN3 PUI_KEY3
95 AN4 PUI_KEY4
96 AN5 PUI_KEY5
97 AVSS
98 AN6 PUI_KEY6
99 AN7 PUI_KEY7
100 AVCC
101 Vss
102 PE5
103 Vcc
104 PE6 OSD_BITO
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105 PE7 FLASH_N_VPP
106 PE8
107 PE9
108 PE10 .
109 VSS
110 PE11
111 PE12
112 PE13
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Name I/O
I/O Data Bus
I/O Data Bus
I/O Data Bus
I/O Data Bus
GND
I/O Data Bus
I/O Data Bus
I/O Data Bus
+5V Power Supply
I/O Data Bus
I/O Data Bus
I/O Data Bus
I/O Data Bus
I/O Data Bus
GND
O Terminal for crystal oscillator
I Setting CPU operation mode
I Terminal for crystal oscillator
I Setting CPU operation mode
I NMI input
+5V Power Supply
I Setting CPU operation mode
I Setting CPU operation mode
+5V Power Supply
O PLL Capacitor Terminal
GND
O Peripheral device clock
I Reset input
O Panel LED control
O Panel LED control
O Panel LED control
O Panel LED control
SB_N_FL O FL control IC chip select
GND
I Panel key input
I Panel key input
I Panel key input
I Panel key input
I Panel key input
I A/D input for Thermistor
GND for A/D
I Panel key input
I Panel key input
+5V power supply for A/D
GND
SB_SCK O SB serial clock
+5V power supply
I for extend
for extend
SB_DATA O SB IC serial data
x ao
y
DIP0 for extend
DIP1 i for extend
GND
LED0 for extend
LED1 O RS-232C output
LED2 I RS-232C input
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8
Function
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9