Yamaha MCX-1000 Service Manual page 42

MCX-1000
IC301 : YDC130-F (MAIN P.C.B.)
ACDR3
Pin No. Terminal Name
60 SPDB
61 PWMA
62 PWMB
63 KBDATA
64 KBCLK
65 DDIN
66 VSS
67 XI
68 XO
69 VDD
70 DBL/V
71 ERR/BS
72 /LOCK
73 INT
74 SIX
75 SOX
76 /TESTA
77 /TESTB
78 AVDD
79 PCO
80 AVSS
81 MUTEA
82 MUTEB
83 VSS
84 /ROE
85 /RWE
86 /RAS
87 /CAS
88 VSS
89 RA0
90 RA1
91 RA2
92 RA3
93 RA4
94 RA5
95 RA6
96 RA7
97 VSS
98 RA8
99 RA9
100 RA10
101 RA11
102 RA12
103 VDD
104 RD0
105 RD1
106 RD2
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I/O DC Level
O C Digital audio interface output B
O C PWM waveform output A
O C PWM waveform output B
I/OD T/C PS/2 interface data input/output
I/OD T/C PS/2 interface clock input/output
IS C Digital audio interface input
GND
I$ C 24.576MHz clock input
I$ C 24.576MHz clock output (for charge couple)
+5V power supply
O C DIR5 rate clock output / Validity flag output
When external DIR5 mode : Microcomputer interface
O C DIR5 data error detect output / Block start output
When external DIR5 mode : Microcomputer interface
I/O T/C DIR5 PLL output
I/O T/C DIR5 interrupt output
I+ T When external DIR5 mode : Microcomputer interface
O C When external DIR5 mode : Microcomputer interface
I+ T Test terminal
I+ T Test terminal
+5V analog power supply
A PLL filter connect terminal
GND (analog)
I+ T Digital audio interface output A
I+ T Digital audio interface output B
GND
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
GND
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
GND
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
O C External RAM interface
+5V power supply
I/O T/C External RAM interface
I/O T/C External RAM interface
I/O T/C External RAM interface
Function
When external DIR5 mode : User data input
When external DIR5 mode : DIR5 interrupt input
NC
NC
Connect 4700pF to GND
Mute
Mute
Read strobe output
Write strobe output
Row address strobe output
Column address strobe output
Address output
Address output
Address output
Address output
Address output
Address output
Address output
Address output
Address output
Address output
Address output
Address output
Address output
Data bus
Data bus
Data bus
Chip select output
Bit clock output
Data input
Data output