AT77C104BCH08YV Atmel, AT77C104BCH08YV Datasheet - Page 16

• Manufacturer Part Number: AT77C104BCH08YV
• Manufacturer: Atmel

Specifications of AT77C104BCH08YV

• Lead Free Status / Rohs Status: Compliant

10.3
16
CLICKEN
b6
Enctrl Register
0
AT77C104B
MOVEN
b5
0
Notes:
If modes such as “acquisition and click” or “acquisition and navigation” are programmed
together, they will be ignored by the system.
With x = 0 or 1.
Register Name: Enctrl (7 bits)
Access Type: Read/Write
Function: Interrupts control
IRQ is generated when a click is detected.
IRQ is generated when an X or Y movement is detected.
Programmed Mode
11xx
1x1x
• ANALOGRST: Reset Local Oscillator
• CLICKEN: Click Interrupts Enable
• MOVEN: Movement Interrupts Enable
0: oscillator in active mode
1: oscillator in power-down mode
0: default
1: click IRQ enabled
0: default
1: movement IRQ enabled
1. Click or navigation modes cannot be used when the local oscillator is switched off.
2. To return to standby mode and stop the oscillator (to save on power consumption), two Modec-
3. The read-only registers cannot be read when the oscillator is turned off.
4. To shift between navigation and acquisition modes, you must be in standby mode (Modectrl =
trl register accesses are necessary: the first one to select standby mode and the second to
switch off the oscillator.
0b00001).
TRANSITEN
b4
0
Register Value
01xx
0x1x
SLICEN
b3
0
READERREN
b2
0
b1
0
–
5347F–BIOM–3/08
b0
–
0