PXF4333 Datasheet, PDF (34/361 Pages) Infineon Technologies AG – ABM 3G ATM Buf fer Manager

ABM-3G
PXF 4333 V1.1
Pin Descriptions
Table 2-1 Ball Definitions and Functions (cont’d)
Ball Symbol
No.
Type Function
Y25, 15,
Y24, 14,
Y23, 13,
W26, 12,
W25, 11,
W24, 10,
W23, 9,
V25, 8,
V24, 7,
V23, 6,
U26, 5,
U25, 4,
U24, 3,
U23, 2,
T23, 1,
T26
0
I/O
Microprocessor Data Bus
T25, 7,
T24, 6,
R26, 5,
R25, 4,
R24, 3,
P23, 2,
P26, 1,
P25 0
I
Microprocessor Address Bus
K24 MPWR
I
WR when MPMOD=0 (Intel Mode)
R/W when MPMOD=1 (Motorola Mode).
K23 MPRD
I
RD when MPMOD=0 (Intel Mode)
DS when MPMOD=1 (Motorola Mode).
J24
MPCS
I
Chip Select from Microprocessor.
J23
MPINT
K25 MPRDY
O(oD)
O(tri)
Interrupt Request to Microprocessor.
Open drain, needs external pull-up resistor. Inter-
rupt pins of several devices can be wired-or
together.
Ready Output to Microprocessor for read and write
accesses.
Data Sheet
34
2001-12-17