User`s manual
M9328MX1ADS - Rev 2 User’s Manual
18 Configuration and Operation MOTOROLA
Configuration and Operation
2.3.6 Ethernet
The M9328MX1ADS is equipped with Cirrus Logic CS8900A
Crystal LAN ISA Ethernet Controller. The CS8900A has 10BaseT
transmit and receive filters and can interface with the M9328MX1.
The CS8900A is operating in I/O mode. Figure 2-8 shows an
overview of the Ethernet interface.
Figure 2-8 Ethernet Interface
2.3.7 CD Quality DAC and Analog I/O
The M9328MX1ADS is equipped with Micronas Stereo Audio
DAC. The DAC3350A, U32, is controlled by the MX1 which
sends the DAC digital audio data via the I
2
C bus. The I
2
C slave
address of the DAC3350A is 0x9A.
The DAC also provides volume control and a headphone amplifier
output. This amplifier is connected to the P26 audio connector. A
filtered low level audio output is connected to the JP3 header.
CS8900A
RJ45 Connector
Isolation
Transformer
MC9328MX1
CS4
A1..3
D0..16
OE
WE
EB3
IRQ (PTC17)
SBHE
IOW
IOR
AEN
D0..16
INTRQ0
SA8
SA9
SA0
SA4..7
SA10..19
SA1..3
V
CC
CHIPSEL