Internal Connectors
Chapter:
Connectors
Beckhoff New Automation Technology
CB1052
page 39
Description
Name
Pin
Name
Description
address/data 24
AD24
A25
B25
3.3V
3.3 volt supply
init device select
IDSEL
A26
B26
CBE3#
command, byte enable 3
3.3 volt supply
3.3V
A27
B27
AD23
address/data 23
address/data 22
AD22
A28
B28
GND
ground
address/data 20
AD20
A29
B29
AD21
address/data 21
ground
GND
A30
B30
AD19
address/data 19
address/data 18
AD18
A31
B31
3.3V
3.3 volt supply
address/data 16
AD16
A32
B32
AD17
address/data 17
3.3 volt supply
3.3V
A33
B33
CBE2#
command, byte enable 2
cycle frame
FRAME#
A34
B34
GND
ground
ground
GND
A35
B35
IRDY#
initiator ready
Target Ready
TRDY#
A36
B36
3.3V
3.3 volt supply
ground
GND
A37
B37
DEVSEL#
device select
stop request by target
STOP#
A38
B38
GND
ground
3.3 volt supply
3.3V
A39
B39
PLOCK#
lock bus
SMBus clock PCI
SMBCLK
A40
B40
PERR#
parity error
SMBus data PCI
SMBDAT
A41
B41
3.3V
3.3 volt supply
ground
GND
A42
B42
SERR#
system error
parity
PAR
A43
B43
3.3V
3.3 volt supply
address/data 15
AD15
A44
B44
CBE1#
command, byte enable 1
3.3 volt supply
3.3V
A45
B45
AD14
address/data 14
address/data 13
AD13
A46
B46
GND
ground
address/data 11
AD11
A47
B47
AD12
address/data 12
ground
GND
A48
B48
AD10
address/data 10
address/data 9
AD9
A49
B49
GND
ground
coded
N/C
A50
B50
N/C
coded
coded
N/C
A51
B51
N/C
coded
command, byte enable 0
CBEO#
A52
B52
AD8
address/data 8
3.3 volt supply
3.3V
A53
B53
AD7
address/data 7
address/data 6
AD6
A54
B54
3.3V
3.3 volt supply
address/data 4
AD4
A55
B55
AD5
address/data 5
ground
GND
A56
B56
AD3
address/data 3
address/data 2
AD2
A57
B57
GND
ground
address/data 0
AD0
A58
B58
AD1
address/data 1
5 volt supply
VCC
A59
B59
VCC
5 volt supply
reserved
N/C
A60
B60
VCC
5 volt supply
5 volt supply
VCC
A61
B61
VCC
5 volt supply
5 volt supply
VCC
A62
B62
VCC
5 volt supply