MPC821 datasheet(121/242 Pages) NXP

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Support Information

MPC8XXFADS Design Specification—Rev 0.1

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

else

DEBUG_PINS_FOR_SHOW;

"******************************************************************************

state_diagram DBPC

state DEBUG_PORT_ON_JTAG:

if (MPC_WRITE_BCSR_0 &

(DBPC_DATA_BIT.pin == DEBUG_PORT_NON_EXISTANT) &

(!KA_PON_RESET # (DBPC_PON_DEFAULT != DEBUG_PORT_ON_JTAG)) #

(KA_PON_RESET & (DBPC_PON_DEFAULT == DEBUG_PORT_NON_EXISTANT)) ) then

DEBUG_PORT_NON_EXISTANT

else if (MPC_WRITE_BCSR_0 &

(DBPC_DATA_BIT.pin == DEBUG_PORT_RESERVED) &

(!KA_PON_RESET # (DBPC_PON_DEFAULT != DEBUG_PORT_ON_JTAG)) #

(KA_PON_RESET & (DBPC_PON_DEFAULT == DEBUG_PORT_RESERVED)) ) then

DEBUG_PORT_RESERVED

else if (MPC_WRITE_BCSR_0 &

(DBPC_DATA_BIT.pin == DEBUG_PORT_ON_DEBUG_PINS) &

(!KA_PON_RESET # (DBPC_PON_DEFAULT != DEBUG_PORT_ON_JTAG)) #

(KA_PON_RESET & (DBPC_PON_DEFAULT == DEBUG_PORT_ON_DEBUG_PINS)) ) then

DEBUG_PORT_ON_DEBUG_PINS

else

DEBUG_PORT_ON_JTAG;

state DEBUG_PORT_NON_EXISTANT:

if (MPC_WRITE_BCSR_0 &

(DBPC_DATA_BIT.pin == DEBUG_PORT_ON_JTAG) &

(!KA_PON_RESET # (DBPC_PON_DEFAULT != DEBUG_PORT_NON_EXISTANT)) #

(KA_PON_RESET & (DBPC_PON_DEFAULT == DEBUG_PORT_ON_JTAG)) ) then

DEBUG_PORT_ON_JTAG

else if (MPC_WRITE_BCSR_0 &

(DBPC_DATA_BIT.pin == DEBUG_PORT_RESERVED) &

(!KA_PON_RESET # (DBPC_PON_DEFAULT != DEBUG_PORT_NON_EXISTANT)) #

(KA_PON_RESET & (DBPC_PON_DEFAULT == DEBUG_PORT_RESERVED)) ) then

DEBUG_PORT_RESERVED

else if (MPC_WRITE_BCSR_0 &

(DBPC_DATA_BIT.pin == DEBUG_PORT_ON_DEBUG_PINS) &

(!KA_PON_RESET # (DBPC_PON_DEFAULT != DEBUG_PORT_NON_EXISTANT)) #

(KA_PON_RESET & (DBPC_PON_DEFAULT == DEBUG_PORT_ON_DEBUG_PINS)) ) then

DEBUG_PORT_ON_DEBUG_PINS

else

DEBUG_PORT_NON_EXISTANT;

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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