MPC852TADS Freescale Semiconductor, MPC852TADS Datasheet - Page 60

• Manufacturer Part Number: MPC852TADS
• Description: Networking Modules & Development Tools ADS BOARD FOR 852
• Manufacturer: Freescale Semiconductor
• Type: Network Controller & Processorr

Specifications of MPC852TADS

• Memory Type: Flash, SDRAM
• Interface Type: RS-232, Ethernet, PCMCIA
• Operating Voltage: 1.8 V to 3.3 V
• Operating Temperature Range: 0 C to + 30 C
• Board Size: 233 mm x 150 mm
• Product: Modules
• For Use With/related Products: MPC852T
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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4•9
The ADS board contains all the modules that could possibly be configured on the MPC852T. The various communi-
cation ports are noted below:
4•9•1
The ADS has two identical RS232 ports for both assisting with user applications and as a means of providing conve-
nient communication channels between terminal and host computers. The MPC type determines the MPC communi-
cation ports to which the RS232 ports are routed. The MAX3241ECAI transceivers, equipped with OE and shutdown
mode, are used to generate RS232 levels internally through use of a single 3.3V power supply. When the RS232EN1
or RS232EN2 bits in BCSR1 are asserted (low) then the associated transceiver is enabled. When negated, the associ-
ated transceiver enters a standby mode characterized by tri-stated receiver outputs, that enables off-board use of the
associated port’s pins via the expansion connectors.
A female Dual port, 9-pin each, D-Type stacked connector is configured for direct connection (via a flat cable) to a
standard IBM-PC compatible RS232 connector.
4•9•1•1
The direction’,’I/O’, is relative to the ADS board. For example,’I’ signifies ADS input.
4•9•2
The MPC852TADS has an Ethernet port with T.P. 10-Base-T I/F connected to SCC4.
Use is done by Davicom DM9161E. The initial configuration of the DM9161E on the MPC852TADS is set by
external resistors to 10Base-T GPSI 7-Wired mode.
The DM9161E is able to interrupt the MPC via IRQ3 line.
Ethernet SCC4 pins are located at the expansion connectors in order to allow for alternative usage of the board’s port
expansion connector P2.
4•9•3
Fast Ethernet port with T.P. 100-Base-T I/F is provided on the MPC852TADS. These port also support 10 Mbps
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CD (O): Data Carrier Detect - the ADS always asserts this line.
TX (O): Transmit Data
RX (I): Receive Data
DTR (I): Data Terminal Ready - ADS software may use this signal to detect whether a terminal is connected
to the ADS board.
DSR (O): Data Set Ready - the ADS always asserts this line.
RTS (I): Request To Send - in the ADS this line is not connected.
CTS (O): Clear To Send - the ADS always asserts this line.
SMC1,SCC3 - RS232
SCC4 Ethernet
FETHC - Fast Ethernet Controller on Port - D
PCMCIA Controller
Communication Ports
RS232 Ports
RS232 Port Signal Descriptions
Ethernet Port
FETHC - Fast Ethernet Controller on Port - D
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Functional Description
MPC852TADS - User’s Manual
Release 1.0