h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 135
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
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6.3.2
1. Set the break address in BARA.
2. Set the break conditions in BCRA.
3. After execution of the instruction that performs a data access on the set address, a PC break
4. After priority determination by the interrupt controller, PC break interrupt exception handling
6.3.3
• When a PC break interrupt is generated at the transfer address of an EEPMOV.B instruction
• When a PC break interrupt is generated at a DTC transfer address
6.3.4
The operation when a PC break interrupt is set for an instruction fetch at the address after a
SLEEP i.struction is shown below.
1. When the SLEEP instruction causes a transition from high-speed (medium-speed) mode to
2. When the SLEEP instruction causes a transition from high-speed (medium-speed) mode to
For a PC break caused by a data access, set the target ROM, RAM, I/O, or external address
space address as the break address. Stack operations and branch address reads are included in
data accesses.
Select the bus master with bit 6 (CDA). Set the address bits to be masked to bits 3 to 5 (BAMA
BAMA0 to BAMA2). Set bits 1 and 2 (CSELA0 and CSELA1) to 01, 10, or 11 to specify data
access as the break condition. Set bit 0 (BIEA) to 1 to enable break interrupts.
request is generated and the condition match flag (CMFA) is set.
is started.
PC break exception handling is executed after all data transfers have been completed and the
EEPMOV.B instruction has ended.
PC break exception handling is executed after the DTC has completed the specified number of
data transfers, or after data for which the DISEL bit is set to 1 has been transferred.
sleep mode, or from subactive mode to subsleep mode:
After execution of the SLEEP instruction, a transition is not made to sleep mode or subsleep
mode, and PC break interrupt handling is executed. After execution of PC break interrupt
handling, the instruction at the address after the SLEEP instruction is executed (figure 6-2
(A)).
subactive mode:
PC Break Interrupt Due to Data Access
PC Break Operation at Consecutive Data Transfer
Operation in Transitions to Power-Down Modes
Rev. 2.00 Dec. 05, 2005 Page 97 of 724
Section 6 PC Break Controller (PBC)
REJ09B0200-0200
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