Service manual

Circuit Description
3-10
44 D30 B CPU Data Bus [30] phbst8 8mA
45 D29 B CPU Data Bus [29] phbst8 8mA
46 D28 B CPU Data Bus [28] phbst8 8mA
47 GND20 P Vss Supply vss3op -
48 D27 B CPU Data Bus [27] phbst8 8mA
49 D26 B CPU Data Bus [26] phbst8 8mA
50 D25 B CPU Data Bus [25] phbst8 8mA
51 VDD11 P Vdd Supply vdd3op -
52 D24 B CPU Data Bus [24] phbst8 8mA
53 D23 B CPU Data Bus [23] phbst8 8mA
54 D22 B CPU Data Bus [22] phbst8 8mA
55 D21 B CPU Data Bus [21] phbst8 8mA
56 GND6 P Vss Supply vss2i -
57 D20 B CPU Data Bus [20] phbst8 8mA
58 D19 B CPU Data Bus [19] phbst8 8mA
59 D18 B CPU Data Bus [18] phbst8 8mA
60 GND21 P Vss Supply vss3op -
61 D17 B CPU Data Bus [17] phbst8 8mA
62 D16 B CPU Data Bus [16] phbst8 8mA
63 D15 B CPU Data Bus [15] phbst8 8mA
64 D14 B CPU Data Bus [14] phbst8 8mA
65 VDD3 P Vdd Supply vdd2i -
66 D13 B CPU Data Bus [13] phbst8 8mA
67 D12 B CPU Data Bus [12] phbst8 8mA
68 D11 B CPU Data Bus [11] phbst8 8mA
69 GND7 P Vss Supply vss2i -
70 D10 B CPU Data Bus [10] phbst8 8mA
71 D9 B CPU Data Bus [9] phbst8 8mA
72 D8 B CPU Data Bus [8] phbst8 8mA
73 D7 B CPU Data Bus [7] phbst8 8mA
74 GND22 P Vss Supply vss3op -
75 D6 B CPU Data Bus [6] phbst8 8mA
76 D5 B CPU Data Bus [5] phbst8 8mA
77 D4 B CPU Data Bus [4] phbst8 8mA
78 VDD12 P Vdd Supply vdd3op -
79 D3 B CPU Data Bus [3] phbst8 8mA
80 D2 B CPU Data Bus [2] phbst8 8mA
81 D1 B CPU Data Bus [1] phbst8 8mA
82 D0 B CPU Data Bus [0] phbst8 8mA
83 GND8 P Vss Supply vss2i -
84 TX_EN1 O Motor Control Tx Enable 1 phob4 4mA
85 TX_EN2 O Motor Control Tx Enable 2 phob4 4mA
86 TX_A O Motor Control Tx Channel A phob4 4mA
87 TX_B O Motor Control Tx Channel B phob4 4mA
88 GND23 P Vss Supply vss3op -
No Pin Name I/O Description Pad Type Current drive