External Bus Interface
MOTOROLA MPC823e REFERENCE MANUAL 13-35
EXTERNAL BUS
13
INTERFACE
x 1 0 0 0 0 0 1 Core, Show Cycle Address Instruction, Program
Trace,
Privilege State
1 1 1 Core, Show Cycle Address Instruction, Privilege
State
1 0 1 0 Core, Reservation Show Cycle Data, Privilege State
1 1 1 Core, Show Cycle Data, Privilege State
1 0 0 0 1 Core, Show Cycle Address Instruction, Program
Trace,
Problem State
1 1 1 Core, Show Cycle Address Instruction, Problem
State
1 0 1 0 Core, Reservation Show Cycle Data, Problem State
1 1 1 Core, Show Cycle Data, Problem State
1 CH0 CH1 CH2 1 1 No Core, Show Cycle Data (CH indicates channel
number)
Table 13-5. Address Space Definitions (Continued)
STS TS AT[0] AT[1] AT[2] AT[3] PTR RSV DEFINITIONS
CORE/CPM PROBLEM STATE/
PRIVILEGE STATE
INSTRUCTION/
DATA
RESERVATION/
PROGRAM
TRACE
PROGRAM
TRACE
RESERVATION
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