MPC821 datasheet(97/242 Pages) NXP

97 / 242 page

Support Information

MPC8XXFADS Design Specification—Rev 0.1

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

"* In debug Mode

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

InDebugMode.clk = IClk;

when (FRZ_IS_SELECTED & CHIP_IS_IN_SOCKET) then

InDebugMode := Freeze;

else when (!FRZ_IS_SELECTED & CHIP_IS_IN_SOCKET) then

InDebugMode := (VFLS0 & VFLS1);

else when (!CHIP_IN_SOCKET) then

InDebugMode := (VflsP0.pin & VflsP1.pin);

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

"* TxError.

"* This bit of the status register is set ('1') when the MPC8XX internally resets

"* during data transmission over the debug port.

"* When this bit is writen '1' by the adi port (control) the status bit is

"* cleared. Writing '0' has no influence on that bit.

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

equations

TxError.clk = IClk;

TxError.ar = Reset;

state_diagram TxError

state TX_DONE_OK:

if(STATE_TX_ENABLED & PdaRst.fb) then

TX_INTERRUPTED

else

TX_DONE_OK;

state TX_INTERRUPTED:

if (HOST_WRITE_ADI_CONTROL & BndTmrExp.fb & PD6.pin

# HOST_WRITE_ADI_DATA & BndTmrExp.fb & !PdaRst.fb) then

TX_DONE_OK

else

TX_INTERRUPTED;

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

"* DSCK.

"* MPC8XX debug port, gated serial clock.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

MPC821 датащи(PDF) 97 Page - NXP Semiconductors