Pinout and Package Information
Figure 5-2. 82443BX Pinout (Top View–right side)
14
15
16
17
18
19
20
21
22
HD3#
HD0#
VSS
23
HA29#
CPURST#
HA26#
HA31#
HA15#
HA12#
HA5#
24
HA24#
HA27#
HA28#
HA25#
VSS
25
26
VSS
VSS
HD33#
HD32#
HD28#
HD35#
VSS
HD31#
HD29#
HD26#
HD30#
GTLREFB
HD27#
HD25#
HD22#
HD24#
HD23#
VTTB
HD19#
HD21#
VSS
HD20#
HD18#
HD17#
HD15#
HD11#
VSS
HD10#
HD12#
HD7#
HD14#
HD9#
VCC
HD6#
HD8#
HD5#
HD4#
HD2#
VSS
HA22#
HA20#
HA23#
HA18#
HA17#
HA14#
HA3#
A
B
HD43#
HD37#
HD34#
HD38#
BREQ0#
HA21#
HA19#
HA16#
HA8#
C
HD16#
HD13#
VCC
HD1#
HA30#
HA11#
HA10#
HA4#
HREQ0#
HLOCK#
HITM#
VSS
D
E
HA13#
HA7#
BNR#
VSS
F
VCC
HA9#
G
VSS
HA6#
HTRDY#
HREQ4#
HREQ3#
RS2#
BPRI#
DEFER#
RS0#
H
VCC
HREQ1#
DRDY#
DBSY#
GTLREFA
HCLKIN
MD30
J
ADS#
HREQ2#
HIT#
K
VCC
VSS
VSS
VSS
VSS
VCC
VSS
VCC
VSS
VSS
VCC
VSS
VCC
VSS
VCC
VCC
VSS
VCC
RS1#
L
VTTA
TESTIN# CRESET#
M
N
VCC
VSS
MD31
MD63
VCC
VSS
NC
MD62
MD28
MD57
MD23
VSS
P
VSS
MD60
MD29
MD61
MD27
MD56
MD22
MD20
MD49
MECC3
DQMA3
CSB4#
CSB2#
VCC
R
MD25
MD54
MD51
MD50
MECC7
DQMA6
NC
MD26
MD58
T
MD59
VCC
MD24
MD55
U
MD52
MD53
V
VSS
MD18
MD19
MD16
DQMA7
VSS
MD21
W
Y
VCC
MD48
MD17
SRASB#
MAB3#
MAA3
VCC
MAB6#
MAA7
VSS
VSS
MAB7#
MAA8
MAB5#
MAA5
MAA6
VCC
VSS
MECC2
CSB5#
CKE4
MECC6
VSS
AA
AB
AC
AD
AE
AF
CSA0#
DQMA5
DQMB5
DQMA4
VCC
VSS
MAA1
MAB1#
MAB0#
CSA5#
SRASA#
MAB10
MAB9#
MAA10
MAA9
DCLKO
MAA12
MAB12#
MAB11#
MAA11
CSA3#
CSA4#
CSA2#
CSA1#
CKE0
VSS
CSB3#
CSB1#
CKE2
CKE5
DQMA2#
DCLKWR
CSB0#
MAA13
MAB2#
MAA2
CKE3
MAB4#
MAA4
NC
NC
MAA0
MAB8#
MAB13
CKE1
VSS
NOTES:
1. The following signals are multiplexed. See the following Alphabetical pin list for details.
d. CSA[5:0]# is multiplexed with RASA[5:0]#; CSB[5:0]# is multiplexed with RASB[5:0]#
e. CKE[3:2] is multiplexed with CSA[7:6]#; CKE[5:4] is multiplexed with CSB[7:6]#; CKE1 is multiplexed with
GCKE; CKE0 is multiplexed with FENA
f. DQMA[7:0] is multiplexed with CASA[7:0]#; DQMB[5,1] is multiplexed with CASB[5,1]#
82443BX Host Bridge Datasheet
5-3
ETC [ ETC ]
