SMPbus SMP-M bus SMP16bus
| Explanation of abbreviations | |||||||||
| 1) |
Additional bus signal line | ||||||||
| 2) |
Additional power supply line | ||||||||
| 3) |
HLDA, HOLD* Bus lines can also be used for DACK* and DREQ* signals or for DMA cascading. |
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| 4) |
res. These connections are reserved for future functionality and must not be assigned to special signals. | ||||||||
| res. This connection is reserved for a special PC/AT bus signal | |||||||||
| 6) |
Signal line with 3.3 kΩ resistance against +5 V | ||||||||
| 7) |
Signal line (optional mounting of resistance) | ||||||||
| 8) |
Signal line without resistance | ||||||||
| 9) |
Auxiliary operating voltages | ||||||||
| 10) |
Main operating voltages |
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| Unconnected on the backplane | |||||||||
| Pin |
ROW A |
ROW B |
ROW C |
||||||
|---|---|---|---|---|---|---|---|---|---|
| SMP |
SMP-M |
SMP16 |
SMP |
SMP-M |
SMP16 |
SMP |
SMP-M |
SMP16 |
|
| 1 |
-15 V9) |
-15 V9) |
-15 V9) |
BUS1 1) 6) |
A167) |
A166) |
-12 V9) |
-12 V9) |
-12 V9) |
| 2 |
-5 V9) |
-5 V9) |
+3.3 V10) |
BUS2 1) 6) |
A177) |
A176) |
GND10) |
GND10) |
GND10) |
| 3 |
--6) |
--6) |
-- |
-- |
-- |
-- |
+5 V10) |
+5 V10) |
+5 V10) |
| 4 |
CLK6) |
CLK6) |
CLK6) |
-- |
-- |
-- |
MMIO* 6) |
MMIO* 6) |
MMIO* 6) |
| 5 |
--6) |
-- |
MEM- CS16* |
-- |
-- |
DREQ0 |
A12 |
A12 |
A12 |
| 6 |
RE- SET* |
RE- SET* |
RE- SET* |
-- |
-- |
DREQ1 |
A0 |
A0 |
A0 |
| 7 |
SYNC |
ALE |
ALE |
-- |
-- |
DACK0 |
A13 |
A13 |
A13 |
| 8 |
ME- MR* |
ME- MR* |
ME- MR* |
-- |
-- |
DACK1 |
A1 |
A1 |
A1 |
| 9 |
RE- SIN* |
RE- SIN* |
RE- SIN* |
-- |
-- |
-- |
A14 |
A14 |
A14 |
| 10 |
ME- MW* |
ME- MW* |
ME- MW* |
-- |
-- |
-- |
A2 |
A2 |
A2 |
| 11 |
-- |
-- |
-- |
-- |
-- |
res. |
A15 |
A15 |
A15 |
| 12 |
RDY- IN |
RDY- IN |
RDY -IN |
-- |
-- |
PW- FAIL* |
A3 |
A3 |
A3 |
| 13 |
BUS- EN |
BUS -EN |
BUS -EN |
-- |
-- |
res. |
-- |
-- |
NMI* |
| 14 |
DB0 |
DB0 |
DB0 |
U3 |
U3 |
+3.3 V |
A4 |
A4 |
A4 |
| 15 |
-- |
HLDA |
HLDA |
U1 |
U1 |
+5 V |
-- |
-- |
IRQ0* |
| 16 |
DB1 |
DB1 |
DB1 |
GND |
GND |
GND |
A5 |
A5 |
A5 |
| 17 |
-- |
HOLD* |
HOLD* |
U2 |
U2 |
GND |
-- |
-- |
IRQ1* |
| 18 |
DB2 |
DB2 |
DB2 |
-- |
-- |
-- |
A6 |
A6 |
A6 |
| 19 |
INT* |
INT* |
INT* |
-- |
-- |
ICAS0 |
-- |
-- |
IRQ2* |
| 20 |
DB3 |
DB3 |
DB3 |
-- |
-- |
ICAS1 |
A7 |
A7 |
A7 |
| 21 |
-- |
-- |
IOC- S16* |
-- |
-- |
ICAS2 |
-- |
-- |
IRQ3* |
| 22 |
DB4 |
DB4 |
DB4 |
-- |
DB8 |
DB8 |
A8 |
A8 |
A8 |
| 23 |
INTA* |
INTA* |
INTA* |
-- |
DB9 |
DB9 |
-- |
-- |
IRQ4* |
| 24 |
DB5 |
DB5 |
DB5 |
-- |
DB10 |
DB10 |
A9 |
A9 |
A9 |
| 25 |
-- |
-- |
UBAT |
-- |
DB11 |
DB11 |
-- |
-- |
IRQ5* |
| 26 |
DB6 |
DB6 |
DB6 |
-- |
DB12 |
DB12 |
A10 |
A10 |
A10 |
| 27 |
-- |
-- |
res. |
-- |
DB13 |
DB13 |
-- |
-- |
IRQ6* |
| 28 |
DB7 |
DB7 |
DB7 |
-- |
DB14 |
DB14 |
A11 |
A11 |
A11 |
| 29 |
EOP* |
EOP* |
TC/ EOP* |
-- |
DB15 |
DB15 |
-- |
-- |
IRQ7* |
| 30 |
IOW* |
IOW* |
IOW* |
-- |
BHEN |
BHEN |
IOR* |
IOR* |
IOR* |
| 31 |
+15 V |
+15 V |
+15 V |
BUS3 |
A18 |
A18 |
GND |
GND |
GND |
| 32 |
+5 V |
+5 V |
+5 V |
BUS4 |
A19 |
A19 |
+12 V |
+12 V |
+12 V |
Technical data
| SMP | SMP-M | SMP16 | |||
|---|---|---|---|---|---|
| Base material | Fiberglass epoxide acc. to DIN 40802 (type FR4) | ||||
| Layer structure | Optimized for best HF behavior. | ||||
| --- | --- | Other layers designed as shielding areas | |||
| Ohmic resistance of signal lines | < 1 Ω | < 1 Ω | < 1 Ω | ||
| PCB thickness | 3.2 mm | 3.2 mm | 3.2 mm | ||
| Surge impedance Z of signal lines | 80 Ω | 65 Ω | 65 Ω | ||
| Power supply connection | |||||
|
--- | --- | +3.3 V, +5 V, GND | ||
|
--- | +5 V, GND, ±12 V, ±15 V, –5 V | --- | ||
|
+5 V, GND | U1, U2, U3 | ±12 V, ±15 V, Ubat, CHA-GND | ||
|
–5 V, ±12 V, ±15 V, U1, U2, U3 | --- | --- | ||
|
25 A | 25 A | 25 A | ||
|
10 A | 10 A | 10 A | ||
|
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| +3,3 V | --- | --- | 3.0 A | ||
| +5 V | 3.0 A | 3.0 A | 4.5 A | ||
| –5 V | 1.5 A | 1.5 A | --- | ||
| +12 V | 1.5 A | 1.5 A | 1.5 A | ||
| –12 V | 1.5 A | 1.5 A | 1.5 A | ||
| +15 V | 1.5 A | 1.5 A | 1.5 A | ||
| –15 V | 1.5 A | 1.5 A | 1.5 A | ||
| U1 | 1.5 A | 1.5 A | --- | ||
| U2 | 1.5 A | 1.5 A | --- | ||
| U3 | 1.5 A | 1.5 A | --- | ||
| Ubat | --- | --- | 1.5 A | ||
| GN | 4.5 A | 4.5 A | 6.0 A | ||
| AC termination ON/IN board | --- | --- | X | ||
| Installation height | 3 U/6 U | 3 U | 3 U/6 U | ||
| Connectors | Press-fit quality class 2 96 pins |
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| Operating temperature range | –40 °C … +85 °C | ||||
| Relative humidity | 90 %, non-condensing | ||||