User`s manual
Command Converter Card Schematics
Motorola Host Computer Card and Command Converter Support Information 4-21
Figure 4-12. Command Converter Host Interface (3 of 5)
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
HOST Interface
Connector
Power ON
LED
C
BE
2N3904
COMMAND CONVERTER HOST INTERFACE
B
UCC7.DSN
Thursday, November 19, 1998 DSP TOOLS 53
1.3
Wireless Subscriber Division
6501 William Cannon Drive West
Austin, TX, 78735-8598
(512)891-6513 FAX: (512)891-7260 MD:OE314
Title
Size
Document
Number
Date: Designer:
Rev.
Sheet of
PBD4
PBD0
PBD5
PBD6
PBD7
HOSTREQ
HOSTACK
INTACK
BRACESEL
ADMINT
D22/HSTREQ
D21/HSTACK
D20/INTACK
RADMREQ
RADMINT
RADMACQ
D18/SELECT1\
D18/SELECT1\
PB10
PB9
PB8
D17
D16
D15
D18
D19
D20
D21
D22
PB7
PB6
PB5
PB3
PB4
PB2
PB0
PB1
D22/HSTREQ
D21/HSTACK
D20/INTACK
PB11
PBD1
PBD2
PBD3
ADMREQ
ADMINT
ADMACK
INTACK
GND
ADMGROUP
GND
GND
GND
GND
GND
+5V
HOSTREQ
+5V
ADMREQ
+5V
ADMACK
GND
HOSTBREAK
GND
GND
BRACESEL
PBD0
PBD1
PBD2
PBD3
PBD4
PBD5
PBD6
PBD7
DS\
PC3
PB[0..14]
D[0..23]
D18/SELECT1\
RBRACESEL
PB[0..14]
RADMGROUP
HOSTACK
ADMBRK
ADMSEL1
ADMSEL0
ADMSEL2
ADMRESET
ADMALL
HOSTENABLE
PC1
+5V
+5V
+5V
VCC
+5V
U6
74F373
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OC
1
G
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
U4
74F245
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
G
19
DIR
1
B1
18
B2
17
B3
16
B4
15
B5
14
B6
13
B7
12
B8
11
U5
74HC244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
Q1
2N3904
R16
1.8K
R17
10K
R13
10K
R9
3K
R21
10K
R23
10K
R24
10K
R1 220
R2 220
R3 220
R4 220
R5 220
R7 220
R8 220
R10 220
R11 220
R12 220
R14 220
R15 220
R18 220
R19 220
R20 220
P1
19
37
18
36
17
35
16
34
15
33
14
32
13
31
12
30
11
29
10
28
9
27
8
26
7
25
6
24
5
23
4
22
3
21
2
20
1
R6
330
R22
510
LED1
R56
10K