Toshiba T3200 User Manual page 145

Pin 1/0 Signal Name Description
System address lines.
SA8-SAO are used during the memory refresh
51 0
SA6 cycle, and SA 15-SA9 are used during the
CPU/DMA mode as a part of the system address.
System address line bit 6.
52
Not used
53 Vcc
+ 5V
54
0
SA9 System address line bit 9.
55 0 SA7 System address line bit 7.
56 0 SA8 System address line bit 8.
57 0 SA10 System address line bit 10.
58
0
SAB System address line bit 13.
59 0
SA 11 System address line bit 11.
60 0
SA 12 System address line bit 12.
61 0
SA5 System address line bit 5.
62
0
SA3 System address line bit 3.
63 0 SA4 System address line bit 4.
64 0 SA2 System address line bit 2.
65 GND Ground
66 0 SA1 System address line bit 1.
67
0 SA14
System address line bit 14.
68
0
SA15 System address line bit 15.
69
0 SA16 System address ne bit 16.
70
0 SA17
System address nebit17.
71
0
SA18
System address ne bit 18.
72 0 SAO System address ne bit
o.
73 0
SA19
System address I ne bit 19.
74 I DBHEN
High bank data bus (SD15-SD8) enable signal.
This is active high.
75 I DBLEN
Low bank data bus (SD7-SDO) enable signal.
This signal is active high.
This signal is to read the 1st byte stored in the
76
I LATDEN
internal buffer during 16/8 bit conversion.
The 1st byte is read out when starting the 2nd
byte reading if this signal is active.
This signal is dummy address for the 2nd byte
77 I CNVAO
during 16/8 bit conversion.
This signal stores the 1st byte in the internal
buffrer while read operation is being executed.
78
Vcc + 5V
A-5