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MAPC-104 Datasheet PDF : 7 Pages
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46W, TRIPLE OUTPUT DC/DC CONVERTER
PC/104-Plus Series
Table 2. MAPC-104 (PC/104-plus) Bus Signal Assignments
Table 3. MAPC-104 (PC/104-Reference) Bus Signal Assignments
J3/P3
Pin
A
B
C
D
1
GND ➁
Reserved
+5.1V
AD00
2
VI/O
AD02
AD01
+5.1V
3
AD05
GND
AD04
AD03
4
C/BE0*
AD07
GND
AD06
5
GND
AD09
AD08
GND
6
AD11
VI/O
AD10
M66EN
7
AD14
AD13
GND
AD12
8
+3.3V
C/BE1*
AD15
+3.3V
9
SERR*
GND
SB0*
PAR
10
GND
PERR*
+3.3V
SDONE
11
STOP*
+3.3V
LOCK*
GND
12
+3.3V
TRDY*
GND
DEVSEL*
13
FRAME*
GND
IRDY*
+3.3V
14
GND
AD16
+3.3V
C/BE2*
15
AD18
+3.3V
AD17
GND
16
AD21
AD20
GND
AD19
17
+3.3V
AD23
AD22
+3.3V
18
IDSEL0
GND
IDSEL1
IDSEL2
19
AD24
C/BE3*
VI/O
IDSEL3
20
GND
AD26
AD25
GND
21
AD29
+5.1V
AD28
AD27
22
+5.1V
AD30
GND
AD31
23
REQ0*
GND
REQ1*
VI/O
24
GND
REQ2*
+5.1V
GNT0*
25
GNT1*
VI/O
GNT2*
GND
26
+5.1V
CLK0
GND
CLK1
27
CLK2
+5.1V
CLK3
GND
28
GND
INTD*
+5.1V
RST*
29
+12V
INTA*
INTB*
INTC*
30
NA (–12V) ➂ Reserved
Reserved
3.3V KEY ➁
J2/P2
Pin
D
0
GND
1 MEMCS16*
2
IOCS16*
3
IRQ10
4
IRQ11
5
IRQ12
6
IRQ15
7
IRQ14
8
DACK0*
9
DRQ0
10
DACK5*
11
DRQ5
12
DACK6*
13
DRQ6
14
DACK7*
15
DRQ7
16
+5.1V
17 MASTER*
18
GND
19
GND
➀ The shaded area denotes power or ground signals.
➁ The KEY pins are to guarantee proper module installation:
J3/P3, pin A1 is electrically connected to GND for shielding
J3/P3, pin D30 is removed and the female side is plugged for 3.3V I/O
J2/P2, pin C19 is keyed, pin is removed and the female side is plugged
J1/P1, pin B10 is keyed, pin is removed and the female side is plugged
➂ J3/P3, pin A30 and J1/P1, pins B5 and B7 are not used. Pin assignments for –5V and –12V are for reference only.
C
GND
SBHE*
LA23
LA22
LS21
LS20
LS19
LA18
LA17
MEMR*
MEMW*
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
KEY ➁
J1/P1
Pin
A
B
1
IOCHCK*
GND
2
D7
RSTDRV
3
D6
+5.1V
4
D5
IRQ9
5
D4
NA (–5V) ➂
6
D3
DRQ2
7
D2
NA (–12V) ➂
8
D1
ENDXFR*
9
D0
+12V
10 IOCHRDY
KEY ➁
11
AEN
SMEMW*
12
A19
SMEMR*
13
A18
IOW*
14
A17
IOR*
15
A16
DACK3*
16
A15
DRQ3
17
A14
DACK1*
18
A13
DRQ1
19
A12
REFRESH*
20
A11
SYSCLK
21
A10
IRQ7
22
A9
IRQ6
23
A8
IRQ5
24
A7
IRQ4
25
A6
IRQ3
26
A5
DACK2*
27
A4
TC
28
A3
BALE
29
A2
+5.1V
30
A1
OSC
31
A0
GND
32
GND
GND
Auxiliary 5V Power Connector, P2
Specifications (typical unless noted)
Power Output ➀
+5 Vdc at 1 Amp maximum
Power Characteristics
See MAPC-104 Specifications
P2 Header Type
AMP/Tyco Electronics 640455-2
Contact Dimensions
Two 0.025” square posts, 0.3" long, 0.10"
spacing on centers. See drawings.
Contact Material
Tin plating over copper alloy
Contact Assembly Force 3 lbs. (13N)
Mating Connector ➁
Single-row, 2-position IDC on 0.10" spacing
Environmental
Compatible with host MAPC-104 system
➀ The contacts are rated at 5 Amps 250Vac. However, whatever current is drawn must be
summed with current powering the PC-104 system.
➁ A suggested mating connector is AMP / Tyco Electronics MTA-100 Series, part number
647000-2. See also the CST-100 Series..
For the MAPC-104-5V model version, spare +5 Vdc power may be taken
from the P2 connector which is adjacent to the pin 1 end of the J1 connector
(see drawings). Be aware that this power is generated on the MAPC-104
and therefore is in addition to whatever 5V current is used by the host PC-
104 system. All power characteristics (regulation, tempco, ripple, etc.) are
derived from the MAPC-104.
3
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