Pin
No.
Port Part Name & Description I/O (V)
78 X0A GND - -
79 VSS GND - -
80 X0 System clock (12.5MHz) I 1.3
81 X1 System clock (12.5MHz) O 1.5
82 VCC +3.3V Power supply - 3.5
83 D0 D0 in Data bus I/O 0.9
84 D1 D0 in Data bus I/O 0.9
85 D2 D0 in Data bus I/O 1.1
86 D3 D0 in Data bus I/O 0.9
87 D4 D0 in Data bus I/O 1.0
88 D5 D0 in Data bus I/O 1.1
89 D6 D0 in Data bus I/O 1.1
90 D7 D0 in Data bus I/O 0.9
91 D8 D0 in Data bus I/O 0.9
92 D9 D0 in Data bus I/O 0.9
93 D10 D0 in Data bus I/O 0.9
94 D11 D0 in Data bus I/O 0.5
95 D12 D0 in Data bus I/O 0.9
96 D13 D0 in Data bus I/O 0.7
97 D14 D0 in Data bus I/O 0.7
98 D15 D0 in Data bus I/O 0.7
99 A16 A16 in Address bus O 3.0
100 A17 A17 in Address bus O 1.7
10.4. CD Servo Block
IC101 : YESAM337
16