PMT9101DM-T2QU | DigiCamel IC Datasheet

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Technical content

Optical Track Sensor (OTS) PixArt Imaging Inc. PixArt Imaging Inc. http://www.pixart.com All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. Version 1.02 |11 June 2015 PMT9101DM‐T2QU: Optical Track Sensor General Description The PMT9101DM‐T2QU is PixArt Imaging's high performance Optical Track Sensor (OTS) using optical navigation technology that enables high accuracy digital surface tracking. The OTS integrates optical sensor and LED source in a single package, with built‐in image recognition engine, which does not require code wheel, code strip or any special marking on track ing surface. The OTS sensor offers a direct SPI output, together with motion interrupt signal, the OTS sensor provides easy integration with the host system. Key Features  Integrated 16 pin molded lead‐frame DIP package  Four wire serial port interface (SPI)  Repeated Error of 1% (typical)  High speed motion detection 150 ips (typical) and acceleration 30 g (max)  High resolutions up to 8200 cpi with 100 cpi step size  External interrupt output for motion de tection  Internal Oscillator – no clock input needed

Applications

 Printers / Handheld Printers  Scanners / Handheld Scanners  Media / Multi‐Function Printers  Consumer Product Applications  Devices that require high accuracy to detect tracking or the presence of surfaces Key Parameters Parameter Value Interface 4‐Wire SPI Supply Voltage (V) VDD: 1.8 – 2.1 Resolution (cpi) 8200 Speed (ips) 150 (typical) Max Frame Rate (fps) Up to 7500 Package Type 16 pin molded lead‐frame DIP package Optical Lens Magnification 1:1

Ordering Information

PMT9101DM‐T2QU 16‐pin DIP Package LM19‐LSI Lens For any additional inquiries, please contact us at http://www.pixart.com/contact.asp

1.3 Signal Description

Figure 2. Pin Configuration Table 1. PMT9101 Signal Pins Description

3 VDDPIX Output LDO output for selective analog circuit

4 VDD Power Input power supply

5 VDDIO Power I/O reference voltage

8 GND Ground Ground

10 SCLK Input Serial data clock

11 MOSI Input Serial data input

12 MISO Output Serial data output

13 NCS Input Chip select (active low)

7 NRESET Input Chip reset (active low)

9 MOTION Output Motion detect

15 LED_P Output LED Anode

1 NC NC No connection (float)

2 NC NC No connection (float)

6 NC NC No connection (float)

PixArt Imaging Inc. PMT9101 Product Datasheet Optical Track Sensor (OTS) Version 1.02 |11 June 2015 PixArt Imaging Inc. http://www.pixart.com All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. Pin No. Signal Name Type Description

14 NC NC No connection (float)

16 NC NC No connection (float)

2.1 Regulatory Requirements

assembled into a product with shielded cable and following PixArt Imaging’s recommendations.  Passes IEC 62471: 2006 Photo biological safety of lamps and lamp systems.

2.2 Absolute Maximum Ratings

Table 2. Absolute Maximum Ratings

Maximum Ratings are those values beyond which damage to the device may occur.
Exposure to these conditions or conditions beyond those indicated may adversely affect device reliability. Functional

operation under absolute maximum‐rated conditions is not implied.

Functional operation should be restricted to the Recommended Operating Conditions.

2.3 Recommended Operating Conditions

Table 3. Recommended Operating Conditions Note: PixArt does not guarantee the performance if the operating temperature is beyond the specified limit.

2.4 DC Characteristics

Table 4. DC Electrical Specifications = 70 MHz, Internal Slow Clock = 1.1 kHz, TA = 25°C.

2.5 AC Characteristics

Table 5. AC Electrical Specifications for first bit of data being read.

PixArt Imaging Inc. PMT9101 Product Datasheet Optical Track Sensor (OTS) Version 1.02 |11 June 2015 PixArt Imaging Inc. http://www.pixart.com All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. SPI Read Address‐Data Delay for Burst Mode Motion Read tSRAD_MOTBR 35 s From rising SCLK for last bit of the address byte, to falling SCLK for first bit of data being read. Applicable for Burst Mode Motion Read only. NCS Inactive After Motion Burst tBEXIT 500 ns Minimum NCS inactive time after motion burst before next SPI usage NCS To SCLK Active tNCS‐SCLK 120 ns From last NCS falling edge to first SCLK rising edge SCLK To NCS Inactive (For Read Operation) tSCLK‐NCS 120 ns From last SCLK rising edge to NCS rising edge, for valid MISO data transfer SCLK To NCS Inactive (For Write Operation) tSCLK‐NCS 35 s From last SCLK rising edge to NCS rising edge, for valid MOSI data transfer NCS To MISO High‐Z tNCS‐MISO 500 ns From NCS rising edge to MISO high‐Z state MOTION Rise Time tr‐MOTION 50 ns CL = 100pF MOTION Fall Time tf‐MOTION 50 ns CL = 100pF Input Capacitance Cin 50 pF SCLK, MOSI, NCS Load Capacitance CL 100 pF MISO, MOTION Transient Supply Current IDDT 70 mA Max supply current during the supply ramp from 0V to VDD with min 150 us and max 20ms rise time. (Does not include charging currents for bypass capacitors) IDDTIO 60 mA Max supply current during the supply ramp from 0V to VDDIO with min 150 us and max 20ms rise time. (Does not include charging currents for bypass capacitors) Notes: 1. All the parameters are tested under operating conditions: VDD = 1.9V, VDDIO = 1.9V, TA = 25°C. Delay and Hold Time, Figure 14. Timing between two Write commands, Figure 15. Timing between Write and either Write or subsequent Read commands, and Figure 16. Timing between Read and either Write or subse quent Read commands.

3.1 Package Marking

Refer to Figure 2. Pin Configuration for the code marking location on the device package. Table 6. Code Identification

3.2 Package Outline Drawing

prevent damage and/or degradation which may be induced by ESD. Figure 3. Package Outline Drawing

3.3 Assembly Drawings

Figure 4. Recommended sensor orientation, mechanical cutouts and spacing (Top View)

All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. Figure 5. Assembly drawing of PMT9101 and distance from Lens reference plane to Tracking surface (Z)

4.1 Reference Schematic

Capacitors must be placed near sensor .
Thicker trace path from VDD_1.9V to LED _P pin.
LED’s orientation is placed towards the palm of a hand.

Figure 9. PMT9101 Reference Schematics

9.1 Registers List

Table 7. Register List

Product Information

PMT9101DM-T2QU specifications and overview.

Summary

Optical Track Sensor

Description

Optical Track Sensor

Source title PMT9101DM-T2QU Datasheet(PDF) - Pixart Imaging Inc.

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