p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 140

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
Rev. 1.00 Sep. 21, 2006 Page 102 of 658
REJ09B0310-0100
• Program area in on-chip memory, 1-state execution instruction at specified break address
• Program area in on-chip memory, 2-state execution instruction at specified break address
• Program area in external memory (2-state access, 16-bit-bus access), 1-state execution instruction
φ
Address bus
Break request
signal
φ
Address bus
Break request
signal
φ
Address bus
Break request
signal
at specified break address (Not available in this LSI)
H'0310 NOP
H'0312 MOV.W #xx : 16,Rd
H'0314 NOP
H'0316 NOP
Instruction
Instruction
H'0310
H'0310 H'0312 H'0314 H'0316
fetch
fetch
Instruction
Figure 5.10 Examples of Address Break Timing
H'0310 NOP
H'0312 NOP
H'0314 NOP
H'0316 NOP
H'0310
fetch
H'0310 NOP
H'0312 NOP
H'0314 NOP
H'0316 NOP
Instruction
Instruction
execution
execution
H'0312 H'0314 H'0316
fetch
NOP
fetch
NOP
execution
NOP
Instruction
Instruction
Instruction
execution
fetch
NOP
fetch
H'0312
fetch
execution
MOV.W
Breakpoint NOP instruction at breakpoint address H'0312 is not executed;
Instruction
Instruction
execution
Breakpoint NOP instruction is executed at breakpoint address H'0312 and
Breakpoint MOV instruction is executed at breakpoint address H'0312,
fetch
fetch
NOP
Instruction
Instruction
Instruction
fetch
fetch
fetch
fetch from address H'0312 starts after end of exception handling.
H'0314
next address, H'0314; fetch from address H'0316 starts after
end of exception handling.
NOP instruction at next address, H'0316, is not executed;
fetch from address H'0316 starts after end of exception handling.
H'0318
H'0318
operation
operation
Internal
Internal
operation
Internal
Interrupt exeption handling
Interrupt exeption handling
SP-2
SP-2
Interrupt exeption handling
Stack save
Stack save
SP-2
Stack save
SP-4
SP-4
SP-4
Vector
Vector
fetch
fetch
H'0036
H'0036
Vector
H'0036
fetch
operation
operation
Internal
Internal
operation
Instruction
Instruction
Internal
fetch
fetch