HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 116
HD6417034B
Manufacturer Part Number
HD6417034B
Description
32-Bit RISC Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417034B.pdf
(687 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417034BVFN20
Manufacturer:
RENESAS
Quantity:
101
Company:
Part Number:
HD6417034BVFW20
Manufacturer:
MITSUBISHI
Quantity:
101
Company:
Part Number:
HD6417034BVXN20
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 116 of 687
- Download datasheet (7Mb)
Section 6 User Break Controller (UBC)
6.3
6.3.1
The flow from setting of break conditions to user break interrupt exception handling is described
below.
1. Break conditions are set in the break address register (BAR), break address mask register
2. The UBC checks to see if the set conditions are satisfied, using the system shown in figure 6.2.
3. On receiving the user break interrupt request, the interrupt controller checks its priority level.
4.
Rev. 7.00 Jan 31, 2006 page 90 of 658
REJ09B0272-0700
(BAMR), and break bus cycle register (BBR). Set the break address in BAR, the address bits
to be masked in BAMR and the type of break bus cycle in BBR. When even one of the BBR
groups (CPU cycle/DMA cycle select bits (CD1, CD0), instruction fetch/data access select bits
(ID1, ID0), read/write select bits (RW1, RW0)) is set to 00 (no user break interrupt), there will
be no user break even when all other conditions are consistent. To use a user break interrupt,
set conditions for all three pairs.
When the break conditions are satisfied, the UBC sends a user break interrupt request to the
interrupt controller.
The user break interrupt has priority level 15, so it is accepted only if the interrupt mask level
in bits I3–I0 in the status register (SR) is 14 or lower. When the I3–I0 bit level is 15, the user
break interrupt cannot be accepted, but is held pending until user break interrupt exception
handling is carried out. NMI exception handling sets I3–I0 to level 15, so a user break cannot
occur during the NMI handling routine unless the NMI handling routine itself begins by
reducing I3–I0 to level 14 or lower. Section 5, Interrupt Controller (INTC), describes the
handling of priority levels in greater detail.
INTC sends a request signal for a user break interrupt to the CPU. When the CPU receives it,
it starts user break interrupt exception handling. Section 5.4, Interrupt Operation, describes
interrupt exception handling in more detail.
Operation
Flow of User Break Operation
Related parts for HD6417034B
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
(HD64 Series) Hitachi Single-Chip Microcomputer
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet: