ADNS-7630 datasheet(21/48 Pages) AVAGO

21 / 48 page

Z-Wheel

ADNS-7630 can support both mechanical and optical

Z-wheel design. Selection of Mechanical or Optical

Z-Wheel interface can be set from EEPROM Z_Selection

determines the vertical scroll resolution can be conﬁgured

to Z/2 or Z/4 format when using diﬀerent sensitivity optical

Z-Wheel via EEPROM Z_Conﬁguration register (0x0138).

For mechanical Z-Wheel, Z/2 format is widely used as

most of the commonly available mechanical Z-Wheel

encoders come with low sensitivity. Optical Z-Wheel

can utilize either the Z/2 or Z/4 format according to the

desired sensitivity. Z_Negate (0x0139) enables correct

Z-Wheel orientation in case ZA and ZB are swapped.

For mechanical Z-Wheel design, only ZA and ZB pins are

connected to the physical mechanical encoder. ZLED

pins should be ﬂoated (No Connect). For optical Z-Wheel

design, connect all ZA, ZB and ZLED pins appropriately to

the physical optical encoder system.

The direction of the Z-Wheel (positive or negative) based

upon the Z-Wheel’s quadrature output is shown in the

state diagram below. State is shown in the form ZB ZA.

Z-Wheel counts are reported only for transitions with + or

- signs.

Tilt-Wheel

ADNS-7630 can support Tilt Wheel function via TW1

and TW2 pins by activating it through EEPROM register

Tilt_Wheel_Enabled (0x0114). For applications without

Tilt-Wheel, TW1 (GPIO3) and TW2 (GPIO4) pins can be con-

ﬁgured as LED GPIO via the same register above.

Disclaimer: All designers and manufacturers of ﬁnal product with tilt

wheel enabled must assure that they have all necessary intellectual

property rights.



No Count

Out Here

No Count

Out Here

Figure 15. State Diagram for Z-Wheel

Figure 16. Timing Diagram for Z/2 and Z/4 settings

Connect Button

It is a must to have a “Connect” button in a Bluetooth

mouse design to enable end users to initiate pairing/

unpairing with any Bluetooth host. Connect_Button_

Press_Duration register (0x00a4-0x00a5) allows mouse

manufacturers to deﬁne duration needed for the “Con-

nect” button to be held for a valid button pressed.

Connect “Connect” button to CONNECT pin (pin 13) for

this feature.

Discover LED Indicator

It is highly recommended for mouse manufacturers to

include a discover LED indicator in a Bluetooth mouse

design as it enables end users to know if the mouse has

entered discoverable mode successfully. See registers

0x0115-0x0119 to enable/disable discover LED support,

to assign GPIO pin to be used, to deﬁne GPIO state to turn

on the discover LED as well as the LED’s duty cycle.

Connect the physical discover LED to LED0 (GPIO5) pin or

LED1 (GPIO6) pin for this feature.

Battery LED Indicator

It is highly recommended for mouse manufacturers to

include a battery LED indicator in a Bluetooth mouse

design as it alerts end users when the battery power is

running low, and also to remind end users to change the

batteries. See registers 0x011a-0x011e, 0x0238-0x23d and

0x248 for the following conﬁguration:

• enable/disable battery LED support

• assign GPIO pin to be used

• deﬁne GPIO state to turn on the battery LED, the LED’s

duty cycle, the blink/rest duration, active sniﬀ modes

and total duration

• deﬁne whether the LED is disabled before connection

is established.

Connect the physical battery LED to LED0 (GPIO5) pin or

LED1 (GPIO6) pin for this feature.

Z-Wheel

Resolution

Signal

Timing Diagram

Z Count

-1

Z Count

-1

Z/2

Z/4

ADNS-7630 bảng dữ liệu(PDF) 21 Page - AVAGO TECHNOLOGIES LIMITED

ADNS-7630 bảng dữ liệu(HTML) 21 Page - AVAGO TECHNOLOGIES LIMITED

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

bảng dữ liệu tải về

Link URL