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C2165
USB Optical Mous e SoC SoC me tary ta ry
1. Features:
Optical Navigation Technology
No Mechanical Parts
Accurate Motion Up to 20’’/sec
Enhanced navigation over a wide variety on surfaces
1000 CPI resolution
5V Power Supply
Power Saving During No Motion
On Chip LED Drive with Regulated Current
IEC 60825-1 eye safety under single fault conditions
6MHz Resonator used for low EMI radiation concern.
Compliant USB Rev2.0 Specification
Compliant USB HID Rev1.1 Specification
Support 3 buttons and mechanical wheel encoding for vertical scrolling
Support Tilt-Wheel Tilt-Wheel buttons with extended circuit for horizontal scrolling
Software driver available for Tilt-button enable (Win98 / 2K / XP / VISTA)
16Pin PDIP package available
General Description The C2165(E lementary ) sensor SoC is a low cost single chip optical mouse Elementary solution used to implement a non-mechanical tracking engine for computer mice. It is based on C1165 optical navigation technology enhanced. Which measures changes in position by optically acquiring sequential surface images (frames) and mathematically determining the direction and magnitude of movement. The Elementary optical mouse SoC provides a complete and compact mouse solution, There are no moving parts, and precision optical alignment is not required, few outside components use and facilitate high volume assembly. The C2165(E lementary ) is in a 16-pin optical package and comes with the resolution 1000 CPI (counts per inch) and the speed of motion up to 16 inches per second. It includes 3 buttons (R、M、L)；X-Y motion and a mechanical wheel encoding (1:2) with 2 extra Tilt buttons for vertical and horizontal scrolling both. USB MCU inside so that it’s no more mouse controller is needed to interface through USB. The C2165 (E lementary ) can receive USB command and echo status or data format, both complete USB spec V2.0 and USB HID spec V1.1 compatibility. It is also a cost effective solution to support USB Optical Mouse.
Preliminary V0.9
1/12
USB Optical Mouse SoC
C2165
mentary
2. Pin Description: 16 Pin C2165(
Pin Name
Type
Description
lementary )
1
SWL
I
Left button input
2
SWM
I
Middle button input
3
SWR
I
Right button input
4
DM
I/O
USB D-
5
DP
I/O
USB D+
6
VDD
P
+5 volt power supply
7
VC3B
P
Internal 3.3 voltage regulator power output
8
VC3A
P
USB 3.3 voltage power input
9
R_LED
-
LED current resistor
10
VSSA
P
Analog Ground
11
XY_LED
O
LED control (sink current)
12
GND
P
System ground
13
OSCI
I
Oscillator input
14
OSCO
O
Oscillator output
15
ZA
I
Z axis input A
16
ZB
I
Z axis input B
-
Tilt-Left
I
-
Tilt-Right
I
Tilt-Wheel left side. (with extended circuit implementation) Tilt-Wheel right side. (with extended circuit implementation)
3. Pin Assignment: SW L
16
ZB
ZA
1
2
C2165
15
SW M
3
YYWW
14
SW R
Wheel
5
VDD
6
VC3B
7
VC3A
P O S I T I V E
OSCI
4
DP
RB MB
13 DM
LB
OSCO
12
GND
11
XY_LED
10
VSSA
9
R_LED
Y
8
POSITIVE X
Figure 1: C2165 Top View Pinout
Figure 2:
Preliminary V0.9 2/12
Top View of Mouse
USB Optical Mouse SoC
C2165
mentary
4. Electrical Characteristics 4.1 Absolute Maximum Ratings Parameter
Symbol VDD
Minimum
Maximum
-0.5
5.5
V
Operating Temperature
TA
-15
55
℃
Storage temperature
TS
-40
85
℃
260
℃
2
KV
5.5
V
Supply Voltage
Lead Solder temp ESD Input Voltage
VIN
-0.5
Units Notes
All pins, human body model
4.2 Recommend Operating Conditions Parameter Supply Voltage
Symbol Minimum VDD
Typical
Maximum
Units
4.5
5.0
5.5
V
PS/2 interface
4.25
5.0
5.25
V
USB interface
40
℃
0
Notes
Operating Temperature
TA
Clock Source Frequency
fCLK
6.0
MHz
VDD=5V
Power Consumption
IDD
30
mA
VDD=5.5V
uA
VDD=5.25V
USB Mode Suspend Current
ISUSP
400
Low Voltage Detect
VLVDZ
3.6
V
Low Voltage Reset
VLVRZ
3.0
V
4.3 Optical Navigation Operating Conditions Parameter Distance From lens reference
Symbol Minimum Z
2.3
Speed
S
0
Acceleration
A
plane to surface
Light level onto IC
IRRINC
Frame Rate
FR
XY_LED Current
ILED
Typical
Maximum
Units
2.4
2.5
mm
20
In/sec
0.15 40
G 20000
2000 Typ-15%
560/R_LED
Preliminary V0.9 3/12
Notes
2
MW/m
Frames/s Typ+15%
mA
λ=639 nm
C2165
USB Optical Mouse SoC mentary
4.4 DC Electrical Specifications Mnemonic
Description
XI, XO
Oscillation Cell
VC DP_CK
DM_DA
(VDD = 5.0V, Temperature = 25ºC)
Item
Min.
Typ.
Max.
Unit
F
-
6
-
3.3 V regulator output
VO
3.0
3.3
3.6
Input Voltage High
VIH
2.0
Input Voltage Low
VIL
Output Voltage High
VOH
Output Voltage Low
MHz V
VDD=5V
V 0.8
V
2.8
3.6
V
VOL
0
0.3
V
PS/2 mode Pull-up
RPPU
3.5
6.5
KΩ
Input Voltage High
VIH
2.0
Input Voltage Low
VIL
Output Voltage High
VOH
Output Voltage Low
5.0
VIN = VSS
V 0.8
V
2.8
3.6
V
VOL
0
0.3
V
USB mode Pull-up
RPU
1.20
1.50
1.80
KΩ
PS/2 mode Pull-up
RMPU
3.5
5.0
6.5
KΩ
Input Voltage High
VIH
2.0
SWL
Input Voltage Low
VIL
SWM
Output Voltage High
VOH
Output Voltage Low
VOL
Pull down Resistor
RPD
35
Pull up Resistor
RPU
V 0.8
2.4
V V
Source current = 8 mA
SWR
All
I/O Port Hi-Z Leakage
IZ
Sink
current
0.5
V
50
65
KΩ
VIN = VDD
10.5
15
19.5
KΩ
VIN = VSS
-
-
10
µA
RP inactive
* The frequency defined in this item is based on the CPU frequency.
4.5 AC Electrical Specifications
Condition
is
20mA
PB[1:0]; 8 mA for others
It is one-half of the oscillation frequency.
(VDD = 5.0V, Temperature = 25ºC)
Characteristics
Item
Min.
Typ.
Max.
Unit
Internal Ring oscillator frequency
FROSC
1.75
3.5
5.25
KHz
Sleep mode delay from no motion to low power
TSLEEP
1000
Wakeup delay from sleep mode due to motion
TWUPP
50
Power up delay
TPUP
Flashing frequency of LED
FLED
Debounce delay on button input
TDBB
5
9
15
ms
Z Wheel sampling period
TZW
120
200
300
us
Input Capacitance (OSC pins)
TZON
ms 100
ms
50
ms
125
15
Preliminary V0.9 4/12
Condition
From VDD reach 4.25V until spec’s met
Hz
pF
OSCI, OSCO to GND
for
C2165
USB Optical Mouse SoC mentary
4.6 USB Electrical Specifications
(VDD = 5.0V, Temperature = 25ºC)
Characteristics
Item
Min.
Max.
Unit
Condition
Output Signal Crossover Voltage
VCRS
1.3
2.0
V
CL = 200pF ~ 600pF
Input Signal Crossover Voltage
VICRS
1.2
2.1
V
CL = 200pF ~ 600pF
Differential Input Sensitivity
VDI
0.2
V
|(D+) – (D-)| See Figure 6
Differential Input Common Mode Range
VCM
0.8
2.5
V
Include VDI , See Figure 6
Single Ended Receiver Threshold
VSE
0.8
2.0
V
Transceiver Input Capacitance
CIN
20
pF
D+ to VBUS, D- to VBUS with 15kΩ to GND and 3.3V internal
Output High
COH
2.8
3.6
V
regulator through 1.5KΩ to D-, See Figure 5 with 15kΩ to GND and 3.3V internal
Output Low
COH
0
0.3
V
regulator through 1.5KΩ to D-, See Figure 5
Single Ended Output
VSED
0.8
V
Input High (Driven)
VIH
2.0
V
Input High (Floating)
VIHZ
3.6
V
Input Low
VIL
0.5
V
4.7 USB Timing Specifications
(VDD = 5.0V, Temperature = 25ºC)
Characteristics
2.7
Item
Min.
Max.
Unit
TLR /TLF
75
300
ns
Rise and Fall time matching
VLRFM
80
125
%
USB reset time
TRESET
8.6
10
us
Data Rate
tLDRATE
USB Low-Speed Rise Time / Fall Time
1.4775 1.5225
Mb/s
Condition CL = 200pF ~ 600pF, See Figure 4 TR /TF; CL = 200pF; Excluding the first transition from the idle time Average bit rate, 1.5Mb/s +/-1/5%
Receiver Jitter Tolerance
tDJR1
-75
75
ns
To next transition, see Figure 7
Receiver Jitter Tolerance
tDJR2
-45
45
ns
For paired transition, see Figure 7
Differential to EOP Transition Skew
tLDEOP
-40
100
ns
See Figure 8
EOP Width at Receiver
tLEOPR
670
ns
Accepts EOP, see Figure 8
Source EOP Width
tLEOPT
1.25
Width of SE0 interval during differential
tLST
1.5
us
210
ns
Transition Differential Output Jitter
tUDJ1
-95
95
ns
To next transition, see Figure 9
Differential Output Jitter
tUDJ2
-150
150
ns
For paired transition, see Figure 9
Preliminary V0.9 5/12
USB Optical Mouse SoC
C2165
mentary
Figure 3:
Data Signal Rise and Fall Times
Figure 4:
Figure 5:
Data Signal Voltage Levels
Differential Receiver Input Sensitivity vs. Common Mode Input Range
Preliminary V0.9 6/12
USB Optical Mouse SoC
C2165
mentary
Figure 6:
Figure 7:
Receiver Jitter Tolerance
Differential to EOP Transition Skew and EOP Width
Figure 8:
Differential Output Jitter
Preliminary V0.9 7/12
USB Optical Mouse SoC
C2165
mentary
5. USB Connection Connectors and Pin assignment are specified in the USB specification chapter 6. Color codes of the cable are respected.
