ATA5811-PLQX Atmel, ATA5811-PLQX Datasheet - Page 41
ATA5811-PLQX
Manufacturer Part Number
ATA5811-PLQX
Description
Manufacturer
Atmel
Datasheet
1.ATA5811-PLQX.pdf
(90 pages)
Specifications of ATA5811-PLQX
Operating Temperature (min)
-40C
Operating Temperature (max)
105C
Operating Temperature Classification
Industrial
Product Depth (mm)
7mm
Product Height (mm)
0.9mm
Product Length (mm)
7mm
Lead Free Status / Rohs Status
Compliant
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Figure 29. Timing Flow Pin Tn, Status Bit STn
4689B–RKE–04/04
Start debounce counter
Stop debounce counter
RX Polling Mode or
Event on Pin Tn ?
IDLE Mode or
AUX Mode or
TX Mode or
Event on Pin
Tn = STn ?
RX Mode
T = 0
If the transceiver is in any active mode (Idle, AUX, TX, RX, RX_Polling), an integrated
debounce logic is active. If there is an event on pin Tn a debounce counter is set to 0
(T = 0) and started. The status is updated, an interrupt is issued and the debounce
counter is stopped after reaching the counter value T = 8195
An event on the same key input before reaching T = 8195
counter. An event on an other key input before reaching T = 8195
restarts the debounce counter.
While the debounce counter is running, the bits VSOUT_EN and CLK_ON in control
register 3 are set to 1.
The interrupt is deleted after reading the status register or executes the command
Delete_IRQ.
If a pin Tn is not used, it can be left open because of an internal pull-up resistor (typically
50 k ).
Tn ?
Y
Y
Y
N
N
N
Stop debounce counter
T = 8195 T
Pin Tn = 0 ?
STn = 1;
IRQ = 1
ATA5811/ATA5812 [Preliminary]
?
Y
Y
N
N
Stop debounce counter
STn = 0;
IRQ = 1
T
DCLK
T
DCLK
stops the debounce
.
T
DCLK
resets and
41
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