Motorola R-2002A Manual page 154

6
3
,,
40
41
/
34
35
'
/
28
29
<
/
71-86
91-98
58
65
67
69
70
87
88
(
,
<
,(
(
90
5
P1
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
J
I
:
I
:
5 VOC +AM MOO
AM MOO + DC REF
(I)
INT MOD (I)
INT MOD RTN
(I)
EXT MOO (I)
EXT MOD RTN
(I)
1 KHz SINE
(I)
1
KHz SINE RTN
(I)
AO-A15
00-07
-
NMI
HALT
EXTAL
RffiT
'""iRa
VMA
E
RIW
IEEE OPT OET
_l_
B~Bl
U10. 13, 21. 31
ADRS
DECODE
AND
CONTROL
LATCHES
U1, 15-18
__....,
BUS
INTERFACE
i
;I
'
'
l
r RFLEVEL coNT - ..,
I
I
U24, 34, 44,
I
SEL SW
AND
51, 64, 65
AM MOD + DC REF
(0) Pl
I
PRGM
I
ATTEN
I
I
4
L - - - - - - . . . J
I
r -
"MoocoNT--
1
I
I
I
SEL SW
U27, 37, 47. I
I
AND
52, 66,67 INT MOO RTN
(0) I
I
PRGM
I
:
ATTEN
I
I
I
I I
I
U26, 36, 46,
I
I
SEL SW
AND
52, 66. 67
EXT MOD RTN
(0)
I
I
PRGM
-,
I
I
ATTEN
I
I
I
I
I
I
I
U25, 35, 45,
I
SEL SW
52. 64,65
1 KHz SINE RTN
(0)
I
I
AND
I
PRGM
T I
ATTEN
I
I
I
I
' - - - - - - - ..J
42
36
30
J1
10 DB, 20 DB, 30 DB, 35 DB
/
1-14
lli01-DI08, DAV
NRFS, NOAC, ATH, IFC,
J2
REN, SRQ, EOI
1-24
(IEEE-488 BUS)
852 1·33
r
4·
.
"
Figure 14-1 . IEEE Interface Module A8
Block Diagram