MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 577

Manufacturer Part Number

MPC8544COMEDEV

KIT DEV EXPRESS MPC8544COM

Manufacturer

Freescale Semiconductor

For Use With/related Products

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

scatter state machines.

Freescale Semiconductor

Table 12-52. Crypto-Channel Pointer Status Register Field Descriptions (continued)

shows the values for G_STATE and S_STATE fields, which are the states for the gather and

MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1

secondary EU.

0 The assigned secondary EU done interrupt is inactive.

1 The assigned secondary EU done interrupt is active indicating the EU has completed processing

is generated, this field will reflect the source of the error. The bits in the ERROR field are registered at

specific stages in the descriptor processing flow. Once registered, an error can only be cleared only by

resetting the channel or writing the appropriate registers to initiate the processing of a new descriptor.

ERROR field.

shows the meaning of all possible values of the PTR_DW field.

Secondary EU done. The SEC_DONE bit reflects the state of the done interrupt from the assigned

Channel error status. This field reflects the error status of the channel. When a channel error interrupt

PTR_DW indicates which pointer-dword is currently being processed by the channel.

and is ready to provide output data.

Table 12-53. G_STATE and S_STATE Field Values

lists the conditions which can cause a channel error and how they are represented in the

GS_LOAD_POINTER

GS_LOAD_POINTER_DONE

GS_LOAD_NEXT_POINTER

GS_PROCESS_POINTER

GS_TRANS_BLOCK

GS_TRANS_BLOCK_DONE

GS_TRANS_BYTES

GS_TRANS_BYTES_DONE

GS_INC_PAIR_PTR

GS_TRANS_INBOUND

GS_TRANS_INBOUND_DONE

Gather State Machine

Security Engine (SEC) 2.1