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| 型号： | ISPPAC-POWR604-01TN44I |
| 厂商： | Lattice Semiconductor Corporation |
| 文件页数： | 11/30页 |
| 文件大小： | 0K |
| 描述： | IC ISP POWER MGR ANLG/LOG 44TQFP |
| 标准包装： | 160 |
| 系列： | ispPAC® |
| 应用： | 电源监控器，序列发生器 |
| 输入电压： | 0 V ~ 6 V |
| 电源电压： | 2.25 V ~ 5.5 V |
| 电流 - 电源： | 10mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-LQFP |
| 供应商设备封装： | 44-TQFP（10x10） |
| 包装： | 托盘 |
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Lattice Semiconductor
Table 2-1. V MON Trip Point Table 1
ispPAC-POWR604 Data Sheet
1.2 low
1.036
1.046
1.056
1.066
1.076
1.087
1.096
1.107
1.117
1.127
1.137
1.147
1.157
1.168
1.178
1.188
1.2 high
1.202
1.213
1.225
1.237
1.249
1.261
1.272
1.284
1.295
1.307
1.319
1.331
1.343
1.355
1.366
1.378
1.5 low
1.291
1.303
1.316
1.329
1.341
1.354
1.366
1.379
1.391
1.404
1.417
1.429
1.442
1.455
1.467
1.480
1.5 high
1.502
1.516
1.531
1.546
1.560
1.575
1.590
1.605
1.619
1.634
1.649
1.663
1.678
1.693
1.707
1.722
1.8 low
1.549
1.564
1.579
1.595
1.609
1.625
1.639
1.655
1.669
1.685
1.700
1.715
1.730
1.746
1.761
1.776
1.8 high
1.801
1.818
1.836
1.854
1.871
1.889
1.906
1.924
1.941
1.959
1.977
1.994
2.012
2.030
2.047
2.065
2.5 low
2.153
2.173
2.195
2.216
2.237
2.258
2.279
2.300
2.320
2.342
2.363
2.384
2.405
2.427
2.447
2.469
2.5 high
2.500
2.524
2.549
2.574
2.597
2.622
2.646
2.671
2.694
2.719
2.744
2.768
2.793
2.818
2.841
2.866
3.3 low
2.842
2.869
2.897
2.926
2.952
2.981
3.008
3.036
3.063
3.091
3.120
3.147
3.175
3.203
3.230
3.259
3.3 high
3.297
3.328
3.361
3.394
3.425
3.458
3.489
3.522
3.553
3.586
3.619
3.650
3.683
3.716
3.747
3.780
5.0 low
4.299
4.340
4.383
4.426
4.466
4.509
4.550
4.593
4.633
4.676
4.719
4.760
4.803
4.846
4.886
4.929
5.0 high
4.991
5.038
5.088
5.138
5.185
5.235
5.282
5.332
5.379
5.429
5.479
5.526
5.576
5.626
5.673
5.723
1.All possible comparator trip voltages using internal attenuation settings.
Table 2-1 shows all possible comparator trip point voltage settings. The internal resistive divider allows ranges for
1.2V, 1.8V, 2.5V, 3.3V and 5.0V. There are 192 available voltages, ranging from 1.036V to 5.723V. In addition to the
192 voltage monitor trip points, the user can add additional resistors outside the device to divide down the voltage
and achieve virtually any voltage trip point. This allows the capability to monitor higher voltages such and 12V, 15V,
24V, etc. Voltage monitor trip points are set in the graphical user interface of the PAC-Designer software by simple
pull-down menus. The user simply selects the given range and corresponding trip point value. Attenuation and ref-
erence values are set internally using E 2 CMOS con?guration bits internal to the device.
Figure 2-2 shows a single comparator, the attenuation network and reference used to program the monitor trip
points. Each of the six comparators are independently set in the same way.
Theory Of Operation
The ispPAC-POWR604 incorporates programmable voltage monitors along with digital inputs and outputs. The
eight macrocell PLD inputs are from the six voltage monitors and four digital inputs. There are two embedded pro-
grammable timers that interface with the PLD, along with an internal programmable oscillator.
The six independently programmable voltage monitors each have 192 programmable trip points.
Figure 2-2 shows a simpli?ed schematic representation of one of these monitors.
2-10
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