h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 132
h8s-2628
Manufacturer Part Number
h8s-2628
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2628.pdf
(641 pages)
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Section 6 PC Break Controller (PBC)
6.3.5
While the break interrupt enable bit is set to 1, instruction execution is one state later than usual.
Rev. 3.00 Oct 04, 2005 page 92 of 598
REJ09B0155-0300
For 1-word branch instructions (Bcc d:8, BSR, JSR, JMP, TRAPA, RTE, and RTS) in on-chip
ROM or RAM.
When break interrupt by instruction fetch is set, the set address indicates on-chip ROM or
RAM space, and that address is used for data access, the instruction will be one state later than
in normal operation.
When break interrupt by instruction fetch is set and a break interrupt is generated, if the
executing instruction immediately preceding the set instruction has one of the addressing
modes shown below, and that address indicates on-chip ROM or RAM, the instruction will be
one state later than in normal operation.
Addressing modes: @ERn, @(d:16,ERn), @(d:32,ERn), @-ERn/ERn+, @aa:8, @aa:24,
@aa:32, @(d:8,PC), @(d:16,PC), @@aa:8
When break interrupt by instruction fetch is set and a break interrupt is generated, if the
executing instruction immediately preceding the set instruction is NOP or SLEEP, or has
#xx,Rn as its addressing mode, and that instruction is located in on-chip ROM or RAM, the
instruction will be one state later than in normal operation.
When Instruction Execution Is Delayed by One State
Figure 6.2 Operation in Power-Down Mode Transitions
Execution of instruction
instruction execution
after sleep instruction
PC break exception
handling
SLEEP
(A)
instruction execution
respective mode
Transition to
SLEEP
(B)
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