5.0 PPC740 and PPC750 Microprocessor Pinout Listings
Table 14 provides th e pin ou t listin g for th e 255 CBGA package (th e PPC740).
Table 14: Pinout Listing for the 255 CBGA Package
Signal Name
A0-A31
Pin Number
Active
I/O
I/O
C16, E04, D13, F02, D14, G01, D15, E02,
D16, D04, E13, GO2, E15, H01, E16, H02,
F13, J01, F14, J02, F15, H03, F16, F04,
G13, K01, G15, K02, H16, M01, J15, P01
High
AACK
ABB
L02
Low
Low
High
Low
—
Input
I/O
I/O
I/O
—
K04
AP0-AP3
ARTRY
C01, B04, B03, B02
J04
A10
AVDD
BG
L01
B06
E01
D08
A06
D07
J14
Low
Low
Low
Low
Low
—
Input
Output
Output
Input
Output
Output
I/O
BR
CI
CKSTP_IN
CKSTP_OUT
CLK_OUT
DBB
Low
Low
Low
Low
High
DBG
N01
H15
G04
Input
Input
Input
I/O
DBDIS
DBWO
DH0-DH31
P14, T16, R15, T15, R13, R12, P11, N11,
R11, T12, T11, R10, P09, N09, T10, R09,
T09, P08, N08, R08, T08, N07, R07, T07,
P06, N06, R06, T06, R05, N05, T05, T04
DL0-DL31
K13, K15, K16, L16, L15, L13, L14, M16, High
M15, M13, N16, N15, N13, N14, P16, P15,
R16, R14, T14, N10, P13, N12, T13, P03,
N03, N04, R03, T01, T02, P04, T03, R04
I/O
DP0-DP7
DRTRY
M02, L03, N02, L04, R01, P02, M04, R02 High
I/O
G16
Low
Input
PPC740 and PPC750 Hardware Specifications
22 of 44
Preliminary and subject to change without notice
IBM [ IBM ]
