MC33690DWE Freescale Semiconductor, MC33690DWE Datasheet - Page 2

• Manufacturer Part Number: MC33690DWE
• Description: IC STAND ALONE TAG READER 20SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC33690DWE

• Rf Type: Read / Write
• Frequency: 125kHz
• Features: Wide Supply Voltage Range
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1
2
3
4
5
6
7
8
9
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
2
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
Figure 7. Configuration A State Diagram . . . . . . . . . . . . . . . . . . 11
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.1
Read Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Write Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Voltage Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
ISO 9141 Physical Interface . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Communication Modes Description . . . . . . . . . . . . . . . . . . . . .9
Standalone Configuration with One-Wire Bus . . . . . . . . . . . .10
7.1
Standalone Configuration with Two-Wire Bus. . . . . . . . . . . . .12
Direct Connection to a Microcontroller Configuration . . . . . . .13
Tag Reader Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Timing Definitions for a 8 MHz Crystal . . . . . . . . . . . . .11
One-Wire Bus Configuration . . . . . . . . . . . . . . . . . . . . 11
MC33690 Standalone Tag Reader Circuit, Rev. 5
Table of Contents
List of Tables
Figure 8. Modes Access Description in
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
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
Two-wire Bus Configuration . . . . . . . . . . . . . . . . . . . . . 12
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