h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 171

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

(1) When a break address specified instruction is executed for one state in the program area and on-chip memory
(2) When a break address specified instruction is executed for two states in the program area and on-chip memory
(3) When a break address specified instruction is executed for one state in the program area
Address bus
Break request
signal
Address bus
Break request
signal
and external memory (2-state access, 16-bit bus access)
φ
Address bus
Break request
signal
φ
H'0310 NOP
H'0312 MOV.W #xx:16,Rd
H'0316 NOP
H'0318 NOP
Instruction
Instruction
H'0310
H'0310
Instruction
fetch
fetch
H'0310 NOP
H'0312 NOP
H'0314 NOP
H'0316 NOP
Figure 5.10 Address Break Timing Example
fetch
H'0310
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
execution
Instruction
Instruction
NOP
NOP
fetch
Instruction
fetch
execution
MOV.W
H'0312
fetch
Instruction
Instruction
Break point
execution
fetch
fetch
NOP
Break point
Break point
Instruction
Instruction
Instruction
fetch
fetch
fetch
H'0318
H'0318
H'0314
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
NOP instruction is not executed at break point address H'0312.
Fetching is performed from address H'0312
after exception handling ends.
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.
operation
Internal
Rev. 3.00 Mar 21, 2006 page 117 of 788
Interrupt exception handling
Interrupt exception handling
Interrupt exception handling
SP-2
SP-2
to stack
to stack
Save
Save
SP-2
SP-4
SP-4
SP-4
Section 5 Interrupt Controller
Vector
Vector
fetch
fetch
H'0036
H'0036
Vector
H'0036
fetch
Internal
operation
Internal
operation
REJ09B0300-0300
Instruction
Instruction
Instruction
fetch
fetch
fetch