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SC33690DS Datasheet(PDF) 2 Page - NXP Semiconductors

Part # SC33690DS
Description  MC33690 Standalone Tag Reader Circuit
PDF  26 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

SC33690DS Datasheet(HTML) 2 Page - NXP Semiconductors

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MC33690 Standalone Tag Reader Circuit, Rev. 5
Freescale Semiconductor
2
Table of Contents
1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.1
Tag Reader Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2
Read Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3
Write Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4
Voltage Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
5
ISO 9141 Physical Interface . . . . . . . . . . . . . . . . . . . . . . . . . . .8
6
Communication Modes Description . . . . . . . . . . . . . . . . . . . . .9
7
Standalone Configuration with One-Wire Bus . . . . . . . . . . . .10
7.1
Timing Definitions for a 8 MHz Crystal . . . . . . . . . . . . .11
8
Standalone Configuration with Two-Wire Bus. . . . . . . . . . . . .12
9
Direct Connection to a Microcontroller Configuration . . . . . . .13
10 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
11 Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
12 Voltage Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
13 Low-Voltage Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
14 Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
15 Tag Reader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
16 ISO 9141 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
17 Digital I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
18 Pin Definition and Function. . . . . . . . . . . . . . . . . . . . . . . . . . .19
19 Application Schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
List of Figures
Figure 1. Standalone Tag Reader Circuit . . . . . . . . . . . . . . . . . . . 3
Figure 2. Tag Reader Block Diagram . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Current Flow When Buffers are Switched Off . . . . . . . . 7
Figure 4. Voltage Regulator Block Diagram . . . . . . . . . . . . . . . . . 8
Figure 5. ISO 9141 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 6. Mode Access Description in
One-Wire Bus Configuration . . . . . . . . . . . . . . . . . . . . 11
Figure 7. Configuration A State Diagram . . . . . . . . . . . . . . . . . . 11
Figure 8. Modes Access Description in
Two-wire Bus Configuration . . . . . . . . . . . . . . . . . . . . . 12
Figure 9. Configuration B State Diagram . . . . . . . . . . . . . . . . . . 12
Figure 10.Configuration C State Diagram . . . . . . . . . . . . . . . . . 13
Figure 11.Low Voltage Reset Waveform . . . . . . . . . . . . . . . . . . 15
Figure 12.Demodulator Parameters Definition . . . . . . . . . . . . . . 17
Figure 13.VSUP, VDD, and Source Internal Circuits . . . . . . . . . 19
Figure 14.GATE Internal Circuits . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 15.TD1, TD2, DOUT, and RX Internal Circuits . . . . . . . . 19
Figure 16.AGND Internal Circuits. . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 17.CEXT Internal Circuits . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 18.RD Internal Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 19.MODE1, MODE2, and TX Internal Circuits . . . . . . . . 20
Figure 20.LVR Internal Circuits . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 21.XTAL2 and XTAL1 Internal Circuits . . . . . . . . . . . . . . 21
Figure 22.AM Internal Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 23.K Internal Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 24.Standalone Configuration with One-Wire Bus . . . . . . 23
Figure 25.Standalone Configuration with Two-Wires Bus . . . . . 24
Figure 26.Direct Connection to a Microcontroller. . . . . . . . . . . . 25
List of Tables
Table 1. Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Table 2. Thermal Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . 4
Table 3. Pin Function Descriptions . . . . . . . . . . . . . . . . . . . . . . . 4
Table 4. Communication Modes Description. . . . . . . . . . . . . . . 10
Table 5. Supply Current Specifications . . . . . . . . . . . . . . . . . . . 14
Table 6. Voltage Regulator Specifications . . . . . . . . . . . . . . . . . 14
Table 7. Low-Voltage Reset Specifications . . . . . . . . . . . . . . . . 15
Table 8. Oscillator Specifications . . . . . . . . . . . . . . . . . . . . . . . 15
Table 9. Tag Reader Specifications . . . . . . . . . . . . . . . . . . . . . . 16
Table 10.ISO 9141 Interface Specifications . . . . . . . . . . . . . . . . 17
Table 11.Digital I/O Specifications . . . . . . . . . . . . . . . . . . . . . . . 18



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