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Specifications
super
MOPS
pro
Copyright
JUMP
tec
Industrielle Computertechnik AG
Page: 80 of 93
Specification AT Bus X2, C0 - C19
Pin
Signal Name
Function
CPU Module
I/O Modules
Type
Pullu
p
Iol
Ioh
C
Type
Pullu
p
Iol
Ioh
C
C0
GND
(Added) Ground
C1
/SBHE
Bus High Enable
O
12mA
6mA
120pF
I
C2
LA23
Latch Address 23
O
12mA
6mA
120pF
I
C3
LA22
Latch Address 22
O
12mA
6mA
120pF
I
C4
LA21
Latch Address 21
O
12mA
6mA
120pF
I
C5
LA20
Latch Address 20
O
12mA
6mA
120pF
I
C6
LA19
Latch Address 19
O
12mA
6mA
120pF
I
C7
LA18
Latch Address 18
O
12mA
6mA
120pF
I
C8
LA17
Latch Address 17
O
12mA
6mA
120pF
I
C9
/MEMR
Mem.Read High 1M
O
1K
1)
12mA
6mA
120pF
I
C10
/MEMW
Mem.Write High 1M
O
1K
1)
12mA
6mA
120pF
I
C11
SD8
Data Bit 8
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C12
SD9
Data Bit 9
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C13
SD10
Data Bit 10
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C14
SD11
Data Bit 11
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C15
SD12
Data Bit 12
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C16
SD13
Data Bit 13
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C17
SD14
Data Bit 14
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C18
SD15
Data Bit 15
I/O
4K7
1)
12mA
6mA
120pF
I/O
12mA
6mA
120pF
C19
GND
(Added) Ground
I = input O = output I/O = bidirectional signal OC = open collector output
1)
=
the pullups on these signal lines have lower values then specified by the PC/104-
consortium
the changes have been made to improve timing characteristics for certain bus
architectures
Specification AT Bus X2, D0 - D19
Pin
Signal Name
Function
CPU Module
I/O Modules
Type
Pullu
p
Iol
Ioh
C
Type
Pullu
p
Iol
Ioh
C
D0
GND
(Added) Ground
D1
/MEMCS16
16 Bit Mem.access
I
300
1)
OC
12mA
120pF
D2
/IOCS16
16 Bit I/O access
I
300
1)
OC
12mA
120pF
D3
IRQ10
Interrupt Request 10
I
4K7
1)
O
4mA
1mA
50pF
D4
IRQ11
Interrupt Request 11
I
4K7
1)
O
4mA
1mA
50pF
D5
IRQ12
Interrupt Request 12
I
4K7
1)
O
4mA
1mA
50pF
D6
IRQ15
Interrupt Request 13
I
4K7
1)
O
4mA
1mA
50pF
D7
IRQ14
Interrupt Request 14
I
4K7
1)
O
4mA
1mA
50pF
D8
/DACK0
DMA Acknowledge 0
O
4mA
1mA
50pF
I
10K
D9
DRQ0
DMA Request 0
I
10K
O
12mA
6mA
120pF
D10
/DACK5
DMA Acknowledge 5
O
4mA
1mA
50pF
I
10K
D11
DRQ5
DMA Request 5
I
10K
O
12mA
6mA
120pF
D12
/DACK6
DMA Acknowledge 6
O
4mA
1mA
50pF
I
10K
D13
DRQ6
DMA Request 6
I
10K
O
12mA
6mA
120pF
D14
/DACK7
DMA Acknowledge 7
O
4mA
1mA
50pF
I
10K
D15
DRQ7
DMA Request 6
I
10K
O
12mA
6mA
120pF
D16
+5V
+5V
D17
/MASTER
Bus Master Assert
I
300
1)
OC
12mA
120pF
D18
GND
Ground
D19
GND
(Added) Ground
I = input O = output I/O = bidirectional signal OC = open Collector output
1)
=
the pullups on these signal lines have lower values then specified by the PC/104-
consortium
the changes have been made to improve timing characteristics for certain bus
architectures