
Rev. A Mechanisms and Operation 2-23
TM-T88 Series Technical Manual
33 HEAD1 Not used. Open O TTL
34 HEAD2 Not used. Open
35 HEAD3 Not used. Open
36 HEAD4 Not used. Open
37 HEAD5 Not used. Open
38 HEAD6 Not used. Open
39 HEAD7 Not used. Open
40 VSS VSS GND terminal I (0V)
41 VDD VDD Main power supply terminal (+5) I (+5V)
42 HEAD8 Not used. Open O TTL
43 HEADCOM Not used. Open O TTL
44 P13 Not used. Open I TTL
45
46
47
P12
P11
P10
Not used. Open I TTL
48 VSS VSS GND terminal I (0V)
49 XOUT XOUT Crystal connection. O
50 XIN XIN Crystal connection I -------
51 VDD VDD Main power supply terminal (+5) I (+5V)
52 PC7 DSW18 DIP switch setting signal DSW1-8 I TTL
53 PC6 DSW17 DIP switch setting signal DSW1-7
54 PC5 DSW16 DIP switch setting signal DSW1-6
55 PC4 DSW15 DIP switch setting signal DSW1-5
56 PC3 DSW14 DIP switch setting signal DSW1-4
57 PC2 DSW13 DIP switch setting signal DSW1-3
58 PC1 DSW12 DIP switch setting signal DSW1-2
59 PC0 DSW11 DIP switch setting signal DSW1-1
60 VSS VSS GND terminal I (0V)
61 PD7 MSL2 Thermal (receipt) printer connected/not connected; H:
connected
I TTL
62 PD6 MSL1 Slip printer connected/not connected; L: not connected I TTL
63 PD5 DSW26 DIP switch setting signal DSW2-6 I TTL
64 PD4 DSW25 DIP switch setting signal DSW2-5
65 PD3 DSW24 DIP switch setting signal DSW2-4
66 VSS VSS GND terminal I (0V)
67 VDD VDD Main power supply terminal (+5) I (+5V)
68 PD2 DSW23 DIP switch setting signal DSW2-3 I TTL
69 PD1 DSW22 DIP switch setting signal DSW2-2
70 PD0 DSW21 DIP switch setting signal DSW2-1
Gate array signal assignments and functions (continued)
No. Pin name Signal name Function I/O Level
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