PXB4330 Datasheet, PDF (71/201 Pages) Infineon Technologies AG – ICs for Communications

PXB 4330
Interface Descriptions
5.3
Microprocessor Interface
The ABM has a 16-bit Microprocessor Interface for control and operation. The Interface
can be configured for either Intel or Motorola Mode. Interconnection to an Intel processor
is shown in Figure 5-5, with the 386EX embedded controller as an example.
PXB 4330 E ABM
MPDAT(15:0)
MPADR(8:1)
MPWR
MPRD
MPCS
MPINT
MPRDY
MPMOD
DATA(15:0)
ADR(8:1)
WR
RD
CS
INT
RDY
GND
Microprocessor
e.g.
386 EX
Figure 5-5 Microprocessor Interface: Intel Mode
A typical configuration in Motorola Mode is shown in Figure 5-6.
PXB 4330 E ABM
MPDAT(15:0)
MPADR(8:1)
MPWR
MPRD
MPCS
MPINT
MPRDY
MPMOD
DATA(15:0)
ADR(8:1)
R/W
DS
CS
INT
RDY
+3.3V
Microprocessor
e.g.
Power Quicc
Figure 5-6 Microprocessor Interface: Motorola Mode
The Interface operates completely asynchronous to the system clock SYSCLK.
Data Sheet
5-71
09.99