MPC821 datasheet(66/242 Pages) NXP

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Support Information

MPC8XXFADS Design Specification—Rev 0.1

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

5 - Support Information

In this chapter all information needed for support, maintenance and connectivity to the

MPC8XXFADS is provided.

5•1

Interconnect Signals

The MPC8XXFADS interconnects with external devices via the following set of connectors:

P1 - ADI Port connector

PA2 - RS232 port 1

PB2 - RS232 port 2

P3 - Ethernet port

P4 - PCMCIA port

P5 - External Debug port controller input / output

P6 - 5V Power In

P7 - 12V Power In

P8 - Serial Ports’ Expansion connector

10) PD1, PD2, PD3 & PD4 - Daughter-Board Connectors

5•1•1

P1 ADI - Port Connector

The ADI port connector - P1, is a 37-pin, Male, 90o, D-Type connector, signals of which are described

in TABLE 5-1 "P1 - ADI Port Interconnect Signals" below:

TABLE 5-1 P1 - ADI Port Interconnect Signals

Pin No.

Signal Name

Description

Not connected with this application

D_C~

Data / Control selection. When ’1’, the debug port controller’s data register is accessed,

when ’0’ the debug port controller’s control register is accessed.

HST_ACK

Host Acknowledge input signal from the host.

ADS_SRESET

When asserted (’1’) and the FADS is selected by the host, generates Soft Reset to the

MPC.

ADS_HRESET

When asserted (’1’) and the FADS is selected by the host, generates Hard Reset

to the MPC.

ADS_SEL2

ADI I/F address line 2 (MSB).

ADS_SEL1

ADI I/F address line 1.

ADS_SEL0

ADI I/F address line 0 (LSB).

HOST_REQ

HOST Request input signal from the host

ADS_REQ

ADS Request output signal from the MPC8XXFADS to the host

ADS_ACK

ADS Acknowledge output signal from the MPC8XXFADS to the host

Not connected with this application

PD1

Bit 1 of the ADI port data bus

PD3

Bit 3 of the ADI port data bus

PD5

Bit 5 of the ADI port data bus

PD7

Bit 7 of the ADI port data bus

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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