ADM1024ARUZ datasheet(11/29 Pages) ONSEMI

tên linh kiện	ADM1024ARUZ

Giải thích chi tiết về linh kiện	System Hardware Monitor with Remote Diode Thermal Sensing

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ADM1024

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11

Bits 4 to 6 of the Channel Mode Register enable or disable

Pins 22 to 24 when they are configured as interrupt inputs by

setting Bit 7 of the Channel Mode Register. This function is

controlled for Pins 20 and 21 by Bits 6 and 7 of Configuration

Register 2.

Pins 17 and 18 can be configured as analog inputs or as inputs

for external temperature−sensing diodes by programming Bit 2

of the Channel Mode Register.

Bit 7 of the Channel Mode Register allows the processor

core voltage ID bits (VID0 to VID4, Pins 24 to 20) to be

reconfigured as interrupt inputs.

A truth table for the Channel Mode Register is given in

Table 2.

Table 2. Channel Mode Register (Note 1)

Channel

Mode

Register Bit

Controls

Pin(s)

Function

0

5

0 = FAN1, 1 = AIN1

1

6

0 = FAN2, 1 = AIN2

2

17, 18

0 = 2.5 V, VCCP2, 1 = D2–, D2+

3

Int. VCC

Meas.

0 = 3.3 V, 1 = 5.0 V

4

24

0 = VID0, 1 = IRQ0

5

23

0 = VID1, 1 = IRQ1

6

22

0 = VID2, 1 = IRQ2

7

20–24

0 = VID0 to VID4,

1 = Interrupt Inputs

1. Power−On Default = 0000 0000

Table 3. A/D Output Code vs. VIN

Input Voltage

A/D Output

+12 VIN

+5.0 VIN

VCC (3.3 V)

VCC (5.0 V)

+2.5 VIN

+VCCP 1/2

AIN (1/2)

Decimal

Binary

<0.062

<0.026

<0.0172

<0.026

<0.013

<0.014

<0.010

0

00000000

0.062–0.125

0.026–0.052

0.017–0.034

0.026–0.052

0.013–0.026

0.014–0.028

0.010–0.019

1

00000001

0.125–0.188

0.052–0.078

0.034–0.052

0.052–0.078

0.026–0.039

0.028–0.042

0.019–0.029

2

00000010

0.188–0.250

0.078–0.104

0.052–0.069

0.078–0.104

0.039–0.052

0.042–0.056

0.029–0.039

3

00000011

0.250–0.313

0.104–0.130

0.069–0.086

0.104–0.130

0.052–0.065

0.056–0.070

0.039–0.049

4

00000100

0.313–0.375

0.130–0.156

0.086–0.103

0.130–0.156

0.065–0.078

0.070–0.084

0.049–0.058

5

00000101

0.375–0.438

0.156–0.182

0.103–0.120

0.156–0.182

0.078–0.091

0.084–0.098

0.058–0.068

6

00000110

0.438–0.500

0.182–0.208

0.120–0.138

0.182–0.208

0.091–0.104

0.098–0.112

0.068–0.078

7

00000111

0.500–0.563

0.208–0.234

0.138–0.155

0.208–0.234

0.104–0.117

0.112–0.126

0.078–0.087

8

00001000

4.000–4.063

1.666–1.692

1.100–1.117

1.666–1.692

−

0.833–0.846

0.900–0.914

0.625–0.635

64

(1/4−Scale)

01000000

8.000–8.063

3.330–3.560

2.200–2.217

3.330–3.560

−

1.667–1.680

1.800–1.814

1.250–1.260

128

(1/2−Scale)

10000000

12.000–12.063

5.000–5.026

3.300–3.317

5.000–5.026

−

2.500–2.513

2.700–2.714

1.875–1.885

192

(3/4−Scale)

11000000

15.312–15.375

6.380–6.406

4.210–4.230

6.380–6.406

−

3.190–3.203

3.445–3.459

2.392–2.402

245

11110101

15.375–15.437

6.406–6.432

4.230–4.245

6.406–6.432

3.203–3.216

3.459–3.473

2.402–2.412

246

11110110

15.437–15.500

6.432–6.458

4.245–4.263

6.432–6.458

3.216–3.229

3.473–3.487

2.412–2.422

247

11110111

15.500–15.563

6.458–6.484

4.263–4.280

6.458–6.484

3.229–3.242

3.487–3.501

2.422–2.431

248

11111000

15.563–15.625

6.484–6.510

4.280–4.300

6.484–6.510

3.242–3.255

3.501–3.515

2.431–2.441

249

11111001

15.625–15.688

6.510–6.536

4.300–4.314

6.510–6.536

3.255–3.268

3.515–3.529

2.441–2.451

250

11111010

15.688–15.750

6.536–6.562

4.314–4.331

6.536–6.562

3.268–3.281

3.529–3.543

2.451–2.460

251

11111011

15.750–15.812

6.562–6.588

4.331–4.348

6.562–6.588

3.281–3.294

3.543–3.558

2.460–2.470

252

11111100

15.812–15.875

6.588–6.615

4.348–4.366

6.588–6.615

3.294–3.307

3.558–3.572

2.470–2.480

253

11111101

A−to−D Converter

These inputs are multiplexed into the on−chip, successive

approximation, Analog−to−Digital Converter (ADC). This

has a resolution of eight bits. The basic input range is 0 V to

2.5 V, which is the input range of AIN1 and AIN2, but five

of the inputs have built−in attenuators to allow measurement

of 2.5 V, 5.0 V, 12 V, and the processor core voltages VCCP1

and VCCP2 without any external components. To allow for

the tolerance of these supply voltages, the ADC produces an

output of 3/4 full scale (decimal 192) for the nominal input

Số phần tương tự - ADM1024ARUZ

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
ON Semiconductor	ADM1024ARUZ-REEL	256Kb / 30P	System Hardware Monitor with Remote Diode Thermal Sensing January, 2016 ??Rev. 5

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