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| 型號(hào)： | DS26334DK |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 32/121頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT DESIGN FOR DS26334 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 設(shè)計(jì)資源： | DS26334DK Gerber Files |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 電信，線路接口單元（LIU） |
| 已用 IC / 零件： | DS26334 |
| 已供物品： | 板，線纜，電源 |
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DS26334 3.3V, 16-Channel, E1/T1/J1 Short/Long-Haul Line Interface Unit
18 of 121
Figure 5-3. Serial Port Operation for Read Access with CLKE = 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
A1
A2
A3
A4
A5
D1
D2
D3
D4
D5
D6
SCLK
SDI
SDO
CSB
(lsb)
(msb)
D0
(lsb)
D7
(msb)
A6
X
5.1.2
Parallel Port Operation
When using the parallel interface on the DS26334 the user has the option for either multiplexed bus operation or
nonmultiplexed bus operation. The ALE pin is pulled high in nonmultiplexed bus operation. The DS26334 can
operate with either Intel or Motorola bus-timing configurations selected by MOTEL pin. This pin being high selects
the Intel mode. The parallel port is only operational if MODESEL pin is pulled high. The following Table lists all the
pins and their functions in the parallel port mode. See the timing diagrams in Section 9 for more details.
Table 5-1. Parallel Port Mode Selection and Pin Functions
MODESEL, MOTEL,
MUX
PARALLEL HOST
INTERFACE
ADDRESS, DATA, AND CONTROL
100
Nonmultiplexed Motorola
CSB, ACKB, DSB, RWB, ASB, A[5:0], D[7:0], INTB
110
Nonmultiplexed Intel
CSB, RDYB, WRB, RDB, ALE, A [5:0], D[7:0], INTB
101
Multiplexed Motorola
CSB, ACKB, DSB, RWB, ASB, AD[7:0], INTB
111
Multiplexed Intel
CSB, RDYB, WRB, RDB, ALE, AD[7:0], INTB
5.1.3
Interrupt Handling
There are four sets of events that can potentially trigger an Interrupt. The interrupt functions as follows:
When status changes on an interruptible event, INTB pin will go low if the event is enabled through the
corresponding Interrupt Enable Register. The INTB has to be pulled high externally with a 10k
resister for
wired-OR operation. If a wired-OR operation is not required, the INTB pin can be configured to be high when
not active by setting register GISC.INTM
When an Interrupt occurs the Host Processor has to read the Interrupt Status register to determine the source
of the Interrupt. The read will also clear the Interrupt Status register and this will clear the output INTB pin. The
Interrupt Status register can also be configured as clear on write as per register
.
GISC.CWE
Subsequently the host processor can read the corresponding Status Register to check the real-time status of
the event.
. When set to clear
on write, and interrupt status register bit (and the interrupt it generates) will only be cleared on writing a ‘1’ to
it’s bit location in the interrupt status register. This makes is possible to clear interrupts on some bits in a
register without clearing them on all bits.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS26334G | 功能描述:電信集成電路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334G+ | 功能描述:電信集成電路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334GA2 | 功能描述:電信集成電路 RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334GA2+ | 功能描述:電信集成電路 RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334GA3 | 功能描述:電信集成電路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
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