Memory Maps and Registers
MVME2502 Installation and Use (6806800R96L)
109
5.5.14 PLD Test Register 2
The MVME2502 PLD provides an 8-bit general purpose read/write register which is used
by the software for PLD testing or general status bit storage.
5.5.15 PLD GPIO2 Interrupt Register
The abort switch, Tick Timer 0, 1 and 2 interrupts are ORed together. The MVME2502
provides an interrupt register that the system software reads to determine which device the
interrupt originated from. GPIO2 will be driven low if any of the interrupts asserts.
Table 5-17 PLD Test Register 2
REG
PLD Write Protect I2C Debug- 0xFFDF0095
Bit
7
6
5
4
3
2
1
0
Field
TEST_REG1
OPER
R/W
RESET
00
Field Description
TEST_REG2
General purpose 8-bit R/W field
Table 5-18 PLD GPIO2 Interrupt Register
REG
PLD Write Protect I2C Debug- 0xFFDF0095
Bit
7
6
5
4
3
2
1
0
Field
CPU_RT
C_SEL
SW2-3
RSVD
RSVD
NMI
TICK0_INT TICK1_INT TICK2_INT
OPER
R
RESET
0
0
X
0
0
0
0
0
Field Description
CPU_RTC_SEL
CPU RTC Input Select
0-1.824MHz (default)
1-SQW/INTB from DS1337 RTC
SW2-3
SW2-3 state (User defined)
0-SW2-3 closed
1-SW2-3 open (default)
Содержание MVME2502
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Страница 18: ...18 MVME2502 Installation and Use 6806800R96L About this Manual About this Manual ...
Страница 31: ...Introduction MVME2502 Installation and Use 6806800R96L 31 Figure 1 2 Serial Number Location ENP2 Variant ...
Страница 32: ...32 MVME2502 Installation and Use 6806800R96L Introduction Introduction ...
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Страница 96: ...96 MVME2502 Installation and Use 6806800R96L Functional Description Functional Description ...
Страница 118: ...118 MVME2502 Installation and Use 6806800R96L Memory Maps and Registers Memory Maps and Registers ...
Страница 128: ...128 MVME2502 Installation and Use 6806800R96L Boot System Boot System ...
Страница 140: ...140 MVME2502 Installation and Use 6806800R96L Programming Model Programming Model ...
Страница 144: ...144 MVME2502 Installation and Use 6806800R96L Replacing the Battery Replacing the Battery ...
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