h8s-2110b Renesas Electronics Corporation., h8s-2110b Datasheet - Page 124

• Manufacturer Part Number: h8s-2110b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
Rev. 2.00 Mar 21, 2006 page 86 of 518
REJ09B0299-0200
Break request
(1) When a break address specified instruction is executed for one state in the program area and on-chip memory
Break request
(2) When a break address specified instruction is executed for two states in the program area and on-chip memory
Address bus
Address bus
signal
signal
φ
φ
H'0310 NOP
H'0312 MOV.W #xx:16,Rd
H'0316 NOP
H'0318 NOP
Instruction
Instruction
H'0310
H'0310
fetch
fetch
Figure 5.9 Address Break Timing Example
H'0310 NOP
H'0312 NOP
H'0314 NOP
H'0316 NOP
execution
execution
NOP
Instruction
Instruction
NOP
H'0312 H'0314 H'0316
H'0312 H'0314 H'0316
fetch
fetch
execution
Instruction
Instruction
NOP
fetch
fetch
execution
MOV.W
Instruction
Instruction
Break point
execution
fetch
fetch
NOP
Break point
Instruction
Instruction
fetch
fetch
H'0318
H'0318
NOP instruction is executed at break point address
H'0312 and following address H'0314.
Fetching is performed from address H'0316
after exception handling ends.
operation
operation
Internal
Internal
MOV instruction is executed at break point address
H'0312, and NOP instruction is not executed
at the following address H'0314.
Fetching is performed from address H'0316
after exception handling ends.
Interrupt exception handling
Interrupt exception handling
SP-2
SP-2
to stack
to stack
Save
Save
SP-4
SP-4
Vector
Vector
fetch
fetch
H'0036
H'0036
Internal
operation
Internal
operation
Instruction
Instruction
fetch
fetch