PAN3501UI / Pixart Imaging Inc. - Datasheet(PDF) Chat AI

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Part No.	PAN3501UI
Manufacturer	PIXART
Size	443 Kbytes
Pages	14 pages
Description	USB OPTICAL MOUSE SENSOR SINGLE CHIP

Datasheet Summary with AI

Here's a summarized table of the pin descriptions from the provided text:

| Pin # | Name | Type | Definition |
|---|---|---|---|
| 1 | Z1 | IN | Z axis, support two kinds of scroller input, opto-mechanical and mechanical |
| 2 | Z2 | IN | Z axis, support two kinds of scroller input, opto-mechanical and mechanical |
| 3 | SR | IN | Sensor rotate (0, 1, floating) => (-90°, +90°, 0°) |
| 4 | IRCTL | OUT | IR LED control |
| 5 | BM | IN | Button middle key input, normal pull-high (50k), press connect to low |
| 6 | BL | IN | Button left key input, normal pull-high (50k), press connect to low |
| 7 | DT | IN | Device type (0, 1, floating) => (3D3B, 2D2B, 3D5B) |
| 8 | B4 | IN | Button 4 key input, normal pull-high (50k), press connect to low |
| 9 | B5 | IN | Button 5 key input, normal pull-high (50k), press connect to low |
| 10 | CPI | IN | CPI select to (0, 1, floating) => (800, 600, 400) |
| 11 | VSSLED | GND | LED ground |
| 12 | LED | I/O | LED control |
| 13 | VREFB | BYPASS | Analog voltage reference |
| 14 | VREFA | BYPASS | Analog voltage reference |
| 15 | VDD5V | PWR | Chip power VDD, 5.0V |
| 16 | VSS | GND | Chip ground |

| 17 | VDDQ | BYPASS | IO voltage reference |
| 18 | OSCIN | IN | Oscillator input, connect to 18.000MHz crystal or resonator |
| 19 | OSCOUT | OUT | Oscillator output, connect to 18.000MHz crystal or resonator |
| 20 | D+ | I/O | USB D+ |
| 21 | D- | I/O | USB D- |
| 22 | BR | IN | Button right key input, normal pull-high (50k), press connect to low |
| 23 | RFU | IN | Reserve for future use, PAN3501UP used to switch USB or PS/2 |
| 24 | TEST | IN | Test pin, connect to GND in normal operation |

Pin # Name Type Definition

1 Z1 IN Z axis, support two kinds of scroller input, opto-mechanical and mechanical

2 Z2 IN Z axis, support two kinds of scroller input, opto-mechanical and mechanical

3 SR IN Sensor rotate (0, 1, floating) => (-90°, +90°, 0°)

4 IRCTL OUT IR LED control

5 BM IN Button middle key input, normal pull-high (50k), press connect to low

6 BL IN Button left key input, normal pull-high (50k), press connect to low

7 DT IN Device type (0, 1, floating) => (3D3B, 2D2B, 3D5B)

8 B4 IN Button 4 key input, normal pull-high (50k), press connect to low

9 B5 IN Button 5 key input, normal pull-high (50k), press connect to low

10 CPI IN CPI select to (0, 1, floating) => (800, 600, 400)

11 VSSLED GND LED ground

12 LED I/O LED control

13 VREFB BYPASS Analog voltage reference

14 VREFA BYPASS Analog voltage reference

15 VDD5V PWR Chip power VDD, 5.0V

16 VSS GND Chip ground

17 VDDQ BYPASS IO voltage reference

18 OSCIN IN Oscillator input, connect to 18.000MHz crystal or resonator

19 OSCOUT OUT Oscillator output, connect to 18.000MHz crystal or resonator

20 D+ I/O USB D+

21 D- I/O USB D-

22 BR IN Button right key input, normal pull-high (50k), press connect to low

23 RFU IN Reserve for future use, PAN3501UP used to switch USB or PS/2

24 TEST IN Test pin, connect to GND in normal operation

Pin #	Name	Type	Definition
1	Z1	IN	Z axis, support two kinds of scroller input, opto-mechanical and mechanical
2	Z2	IN	Z axis, support two kinds of scroller input, opto-mechanical and mechanical
3	SR	IN	Sensor rotate (0, 1, floating) => (-90°, +90°, 0°)
4	IRCTL	OUT	IR LED control
5	BM	IN	Button middle key input, normal pull-high (50k), press connect to low
6	BL	IN	Button left key input, normal pull-high (50k), press connect to low
7	DT	IN	Device type (0, 1, floating) => (3D3B, 2D2B, 3D5B)
8	B4	IN	Button 4 key input, normal pull-high (50k), press connect to low
9	B5	IN	Button 5 key input, normal pull-high (50k), press connect to low
10	CPI	IN	CPI select to (0, 1, floating) => (800, 600, 400)
11	VSSLED	GND	LED ground
12	LED	I/O	LED control
13	VREFB	BYPASS	Analog voltage reference
14	VREFA	BYPASS	Analog voltage reference
15	VDD5V	PWR	Chip power VDD, 5.0V
16	VSS	GND	Chip ground
17	VDDQ	BYPASS	IO voltage reference
18	OSCIN	IN	Oscillator input, connect to 18.000MHz crystal or resonator
19	OSCOUT	OUT	Oscillator output, connect to 18.000MHz crystal or resonator
20	D+	I/O	USB D+
21	D-	I/O	USB D-
22	BR	IN	Button right key input, normal pull-high (50k), press connect to low
23	RFU	IN	Reserve for future use, PAN3501UP used to switch USB or PS/2
24	TEST	IN	Test pin, connect to GND in normal operation