21154BC Intel, 21154BC Datasheet - Page 25

• Manufacturer Part Number: 21154BC
• Manufacturer: Intel

Specifications of 21154BC

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Package Type: BGA
• Rad Hardened: No
• Lead Free Status / Rohs Status: Not Compliant

5.
Table 39.
21154 PCI-to-PCI Bridge Specification Update
Section 16.2, Table 39, Boundary Scan Order
The boundary-scan order pin call outs change from pin R4 through pin R21. The correct pin call
out is:
Boundary Scan Order (Sheet 1 of 3)
NOTE: A new signal, bpcce, was added on pin R4 for the 21154AB and later revisions. From pin R4 through
Pin Number
AA1
AA3
AB3
AA4
AC4
AB4
AA5
AC5
AB5
AA6
AC6
AB6
W2
W1
W4
R4
T3
T2
U3
U2
U4
U1
V2
V1
V3
Y2
Y1
Y3
Y4
Y5
—
pin R21, two values are provided in the xxx/yyy format: the boundary-scan register number in the xxx
field is for the 21154AA version only, and the boundary-scan register number in the yyy field is for the
21154AB and later revisions.
Signal Name
p_cbe_l<3>
p_cbe_l<2>
p_devsel_l
p_ad<31>
p_ad<30>
p_ad<29>
p_ad<28>
p_ad<27>
p_ad<26>
p_ad<25>
p_ad<24>
p_ad<23>
p_ad<22>
p_ad<21>
p_ad<20>
p_ad<19>
p_ad<18>
p_ad<17>
p_ad<16>
p_frame_l
p_stop_l
p_lock_l
p_irdy_l
p_trdy_l
p_req_l
p_idsel
bpcce
p_clk
V
V
V
ss
ss
ss
Boundary Scan Order
127/128
128/129
129/130
130/131
131/132
132/133
133/134
134/135
135/136
136/137
137/138
138/139
139/140
140/141
141/142
142/143
143/144
144/145
145/146
146/147
147/148
148/149
149/150
150/151
151/152
152/153
153/154
154/155
155/156
156/157
NA/127
By Group Disable
—
—
—
—
—
—
2
2
2
2
2
2
2
2
2
2
2
1
1
1
3
2
2
2
2
2
2
1
1
1
2
Documentation Changes
Intel Confidential25
Group Disable Cell
Group Disable 3
Group Disable 2
Group Disable 1