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Intel 900 MHz BX80526C900128 Data Sheet

Product codes
BX80526C900128
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Page of 128
Datasheet
107
 Intel
®
 Celeron
®
 Processor up to 1.10 GHz
NOTES:
1. VCC
1.5
 must be supplied by the same voltage 
source supplying V
TT
 on the motherboard. 
2. Previously this pin functioned as the EDGCTRL 
signal. 
3. Previously, PGA370 designs defined this pin as a 
GND. For flexible PGA370 designs, it must be left 
unconnected (NC).
4. Previously, PGA370 designs defined this pin as a 
GND. 
5. Celeron processor in the FC-PGA/FC-PGA2 
packages does not make use of this pin.
6. This pin is only reset for processors with a CPUID 
of 0686h. For previous Celeron processors prior 
to 0686h (not including 0686h) this pin is 
reserved.
7. This pin is reserved for Celeron processors with a 
CPUID of 0686h.
8. For CPUID of 0681h, this is a V
SS
. For other 
068xh processors, this pin is a No Connect (NC).
Q5
GND
Power/Other
Q33
Reserved
Reserved for future use
Q35
Reserved
Reserved for future use
Q37
Reserved
Reserved for future use
R2
Reserved
Reserved for future use
R4
D17#
AGTL+ I/O
R6
V
REF
3
Power/Other
R32
V
CCCORE
Power/Other
R34
GND
Power/Other
R36
V
CCCORE
Power/Other
S1
D8#
AGTL+ I/O
S3
D5#
AGTL+ I/O
S5
V
CCCORE
Power/Other
S33
Reserved
Reserved for future use
S35
RTTCTRL
Power/Other
S37
Reserved
Reserved for future use
T2
V
CCCORE
Power/Other
T4
D1#
AGTL+ I/O
T6
D6#
AGTL+ I/O
T32
GND
Power/Other
T34
V
CCCORE
Power/Other
T36
GND
Power/Other
U1
D4#
AGTL+ I/O
U3
D15#
AGTL+ I/O
U5
GND
Power/Other
U33
PLL2
Power/Other
U35
Reserved
Reserved for future use
U37
Reserved
Reserved for future use
V2
GND
Power/Other
V4
Reserved
Reserved for future use
V6
V
REF
4
Power/Other
V32
V
CCCORE
Power/Other
V34
GND
Power/Other
V36
V
CCCORE
Power/Other
W1
D0#
AGTL+ I/O
W3
Reserved
Reserved for future use
W5
V
CCCORE
Power/Other
W33
PLL1
Power/Other
W35
Reserved
Reserved for future use
Table 56.  FC-PGA/FC-PGA2 Signal 
Listing in Order by Pin 
Number
Pin 
No.
Pin Name
Signal Group
W37
BCLK
System Bus Clock
X4
RESET#
7
Power/Other
X6
Reserved
Reserved for future use
X20
Reserved
Reserved for future use
X32
GND
Power/Other
X34
Reserved
Reserved for future use
X36
GND
Power/Other
Y1
Reserved
Reserved for future use
Y3
A26#
AGTL+ I/O
Y5
GND
Power/Other
Y33
Reserved
4
Reserved for future use
Y35
V
CCCORE
Power/Other
Y37
GND
Power/Other
Z2
GND
Power/Other
Z4
A29#
AGTL+ I/O
Z6
A18#
AGTL+ I/O
Z32
V
CCCORE
Power/Other
Z34
GND
Power/Other
Z36
Vcc
2.5
 Power/Other
Table 56.  FC-PGA/FC-PGA2 Signal 
Listing in Order by Pin 
Number
Pin 
No.
Pin Name
Signal Group