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參數(shù)資料
| 型號： | 5962G9855202VXX |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 16 MHz, RISC MICROCONTROLLER, CPGA144 |
| 封裝： | CERAMIC, PGA-144 |
| 文件頁數(shù)： | 4/64頁 |
| 文件大?。?/td> | 1464K |
| 代理商： | 5962G9855202VXX |
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12
Fault Register
The UT69R000 uses the Fault Register (FT) to indicate the
occurrence of a machine-error fault. A machine-error fault
cannot be disabled. The UT69R000 uses the logical OR
combination of the 16 bit FT to generate a Machine Error
interrupt, bit 14 of the PI. Any bits in the FT the UT69R000
does not use are set to a logic zero. The UT69R000 reads,
writes, and clears the FT with INR and OTR instructions. Fault
Register bits reflecting external pins are level sensitive; bit(s)
cannot be reset until the external signal is negated.
15 14 13 12 11 10 9
8
7
5
4
3 2
1 0
6
Bit Number
Mnemonic
Description
Bit 15
CMPF
CPU Memory Protect Fault. This bit indicates the UT69R000 has
detected an access fault on the operand but (i.e., attempted access
to write or read-protected memory). This bit is asserted only when
the UT69R000 is controlling the Operand Data Bus and the
MPROT input is asserted. [0]
Bit 14
DMPF
DMA Memory Protect Fault. This bit indicates a DMA device has
detected an access fault (i.e., attempted access to write or read-
protected memory). This bit is asserted when the UT69R000 is
not controlling the Operand Data Bus and the MPROT input is
asserted.
Bit 13
MCHNE2
Machine Error 2. This bit indicates that a user-defined machine
error has occurred. Reflects status of external input pin MCHNE2.
Bit 12
SFT9
Software Error 9. This bit indicates that a user-defined software
machine error has occurred.
Bit 11
SFT8
Software Error 8. This bit indicates that a user-defined software
machine error has occurred.
Bit 10
BTERR2
I/O Bus Timer Error. This bit indicates that a bus or time-out error
occurred. The bit is set if the UT69R000 is performing an I/O
access and BTERR input is asserted.
Bit 9
SFT7
Software Error 7. This bit indicates that a user-defined software
machine error has occurred.
Bit 8
MCHNE1
Machine Error 1. This bit indicates that a user-defined machine
error has occurred. It reflects the status of external input pin
MCHNE1.
Bit 7
BTERR1
Memory Bus Timer Error. This bit indicates that a bus or time-out
error occurred. The bit is set if the UT69R000 is performing a
memory access and the BTERR input is asserted.
Figure 12. The Fault Register (FT)
MEM
PROT
P
A
R
I
T
Y
S
O
F
T
I
/
O
S
Y
F
T
S
Y
S
F
T
M
E
M
SOFTWARE
MSB
LSB
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| 5962H9855201VXC | 32-BIT, 12 MHz, RISC MICROCONTROLLER, CPGA144 |
| 5962H9855202QXX | 32-BIT, 16 MHz, RISC MICROCONTROLLER, CPGA144 |
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| 5962R9855201VXX | 32-BIT, 12 MHz, RISC MICROCONTROLLER, CPGA144 |
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