T O T A L - A C E X T R E M E ® S I G N A L S
Data Device Corporation
DS-BU-67301B-G
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Table 19. CPU Data Bus
Signal Name
BAL
L
Pullup/
Pulldown
Description
CPU_DATA(24) (I/O)
D3
None
CPU_DATA(23) (I/O)
F1
None
CPU_DATA(22) (I/O)
E2
None
CPU_DATA(21) (I/O)
E3
None
CPU_DATA(20) (I/O)
F3
None
CPU_DATA(19) (I/O)
G1
None
CPU_DATA(18) (I/O)
G3
None
CPU_DATA(17) (I/O)
J5
None
CPU_DATA(16) (I/O)
H1
None
CPU_DATA(15) (I/O)
K1
None
CPU_DATA(14) (I/O)
M2
None
CPU_DATA(13) (I/O)
L1
None
CPU_DATA(12) (I/O)
N1
None
CPU_DATA(11) (I/O)
L3
None
CPU_DATA(10) (I/O)
K2
None
CPU_DATA(09) (I/O)
M1
None
CPU_DATA(08) (I/O)
N2
None
CPU_DATA(07) (I/O)
N3
None
CPU_DATA(06) (I/O)
N4
None
CPU_DATA(05) (I/O)
M4
None
CPU_DATA(04) (I/O)
K3
None
CPU_DATA(03) (I/O)
M5
None
CPU_DATA(02) (I/O)
L4
None
CPU_DATA(01) (I/O)
K4
None
CPU_DATA(00) (I/O)
L5
None
CPU_ADDR(15) (I) MSB
T4
50k Pullup
16-bit CPU address bus.
The host CPU accesses Total-AceXtreme registers and internal RAM by
means of CPU_ADDR(15:0)
In the multiplexed address/data mode for the parallel CPU interface,
CPU_ADDR(15:0) may be left unconnected.
CPU_ADDR(14) (I)
T3
50k Pullup
CPU_ADDR(13) (I)
A6
None
CPU_ADDR(12) (I)
B7
None
CPU_ADDR(11) (I)
G2
None
CPU_ADDR(10) (I)
D2
None
CPU_ADDR(09) (I)
J1
None
CPU_ADDR(08) (I)
H2
None
CPU_ADDR(07) (I)
C3
None