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參數(shù)資料
| 型號(hào)： | MT8920BC |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| 中文描述： | 異意法半導(dǎo)體的CMOS總線⑩家庭圣總線并行訪問電路 |
| 文件頁數(shù)： | 7/24頁 |
| 文件大小： | 534K |
| 代理商： | MT8920BC |
CMOS
MT8920B
3-9
Table 2. Mode 1 Address Map
NOTES:
X is don’t care
A
6
is bit D
4
of Control Register 1
Table 3. Control Register 1 Bit Definitions
ADDRESS BITS
REGISTERS
A
6
A
5
A
4
A
3
A
2
A
1
A
0
READ
WRITE
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
1
1
1
1
1
1
0
1
0
1
0
0
0
1
1
1
1
0
0
0
0
1
1
0
1
0
1
0
0
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
Rx0 - Channel 0
Rx0 - Channel 31
Control Register 1
Control Register 2
Interrupt Vector Register
Interrupt Flag Register 1
Interrupt Flag Register 2
Image Register 1
Image Register 2
Interrupt Mask Register 1
Interrupt Mask Register 2
Match Byte Register 1
Match Byte Register 2
Interrupt Channel Address 1
Interrupt Channel Address 2
Rx0 - Channel 0
Rx0 - Channel 31
Tx0 - Channel 0
Tx0 - Channel 31
Control Register 1
Control Register 2
Interrupt Vector Register
-
-
-
-
Interrupt Mask Register 1
Interrupt Mask Register 2
Match Byte Register 1
Match Byte Register 2
Interrupt Channel Address 1
Interrupt Channel Address 2
Tx1 - Channel 0
Tx1 - Channel 31
Bit
Name
Description
7
(Unused)
6
IRQRST
Interrupt Reset.
This bit, when set high, automatically clears the Interrupt Flag Register
and the Interrupt Image Register without these registers being serviced. This bit
automatically resets to zero after the register clear is completed.
5
RAMCON
RAM Configuration.
This bit configures Tx0, Tx1 and Rx0 RAMS for 32 or 24 byte
operation. D
5
= 0 for 32 channel; D
5
= 1 for 24 channel.
Address Bit A6.
This bit extends the addressing range for access to Tx1 memory.
4
A
6
3
IRQ2MODE
Interrupt Source 2 Mode Select.
This bit configures the source 2 interrupt generator.
D
3
= 0 selects “static” interrupt mode; D
3
= 1 selects “dynamic” interrupt mode.
Interrupt Source 1 Mode Select.
This bit configures the source 1 interrupt generator.
D
2
= 0 selects “static” interrupt mode; D
2
= 1 selects “dynamic” interrupt mode.
Interrupt Source 2 Enable.
IRQ2EN = 1 enables interrupts to occur from source 2.
2
IRQ1MODE
1
IRQ2EN
0
IRQ1EN
Interrupt Source 1 Enable.
IRQ1EN = 1 enables interrupts to occur from source 1.
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PDF描述 |
|---|---|
| MT8920BE | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920BP | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8920BS | ISO-CMOS ST-BUS⑩ FAMILY ST-BUS Parallel Access Circuit |
| MT8926 | ISO-CMOS ST-BUS⑩ FAMILY T1 Performance Monitoring Adjunct Circuit (PMAC) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8920BE | 制造商:Mitel Networks Corporation 功能描述:COMMUNICATIONS INTERFACE, 28 Pin, Plastic, DIP |
| MT8920BE1 | 制造商:Zarlink Semiconductor Inc 功能描述:ST-BUS PARALLEL ACCESS CIRCUIT 28PDIP - Rail/Tube 制造商:Microsemi 功能描述:Microsemi MT8920BE1 Interface Misc |
| MT8920BP | 制造商:Microsemi Corporation 功能描述: 制造商:MITEL 功能描述: |
| MT8920BP1 | 制造商:Microsemi Corporation 功能描述:ST-BUS PARALLEL ACCESS CIRCUIT 28PLCC - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:ST-BUS PARALLEL ACCESS CIRCUIT 28PLCC - Rail/Tube |
| MT8920BPR1 | 制造商:Microsemi Corporation 功能描述:ST-BUS PARALLEL ACCESS CIRCUIT 28PLCC - Tape and Reel 制造商:Zarlink Semiconductor Inc 功能描述:ST-BUS PARALLEL ACCESS CIRCUIT 28PLCC - Tape and Reel |
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