MB86330 Fujitsu Media Devices Limited, MB86330 Datasheet - Page 28

• Manufacturer Part Number: MB86330
• Description: 16-bit Fixed-point DSP
• Manufacturer: Fujitsu Media Devices Limited

28
MB86330
* : Memory space for a debug instruction
Notes: • Emulator operation mode is set by a hardware interrupt resulting from external break signal input and
Priority
A software interrupt and a hardware interrupt are available. Interrupts are assigned specified types of priority.
When interrupts occur concurrently, an interrupt with higher priority is executed earlier.
INTERRUPT
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
• Any interrupts other than a reset are disabled during downloading.
by a software interrupt by the TRAP instruction.
Soft/hard
Hard
Hard
Hard
Soft
Soft
Interrupt type
BREAK
TRAP
DMA0
DMA1
DMA2
DMA3
INT0
INT1
INT2
INT3
INT4
INT5
INT6
INT7
RST
V1
V3
Interrupt branch
destination
0
0
0
0
0
0
0
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
0002*
FFEC
FFFE
FFFC
FFFA
FFEE
FFEA
FFF8
FFF6
FFF4
FFF2
FFF0
—
—
—
—
Hardware reset
External reset signal input
Setup of emulator operation mode
External break signal input
Setup of emulator operation mode
Software (TRAP instruction)
Occurrence of arithmetic operation overflow (V1)
Occurrence of arithmetic operation overflow (V3)
DMA0 signal input (for data input)
DMA1 signal input (for data input)
DMA2 signal input (for data output)
DMA3 signal input (for data output)
SDOME interrupt signal input
External interrupt signal input (INT1)
External interrupt signal input (INT2)
External interrupt signal input (INT3)
External interrupt signal input (INT4)
External interrupt signal input (INT5)
External interrupt signal input (INT6)
External interrupt signal input (INT7)
Cause of an interrupt
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