ATA5811-PLQX Atmel, ATA5811-PLQX Datasheet - Page 49

• Manufacturer Part Number: ATA5811-PLQX
• Manufacturer: Atmel

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

Sleep Mode
Start-up Mode
4689B–RKE–04/04
To save current it is recommended CLK and V
mode. I
rent of an external device connected to pin VSOUT (e.g., microcontroller). If CLK
and/or VSOUT is enabled during RX polling mode the current consumption is calculated
as follows:
During T
ter signal. To guarantee the reception of a transmitted command the transmitter
must start the telegram with an adequate preburst. The required length of the
preburst T
and T
(N
.
The length of period T
extension factor X
cycle T
In US and European applications, the maximum value of T
set to 1 (which is done by setting the bit XSleep in control register 4 to 0). The time res-
olution is about 1.2 ms in that case. The sleep time can be extended to about 300 ms by
setting X
resolution is then about 9.6 ms.
During T
cessing circuit starts up (T
condition and ready to receive.
I
T
S_Poll
T
Sleep
Preburst
Bit-check
Bit-check
=
=
DCLK
P
I
Sleep
Sleep
Startup_PLL
) to be tested
Sleep
does not include the current of the Microcontroller_Interface I
P
T
Preburst
+
. It is calculated to be:
Sleep
I
, T
. Thus, T
VSINT
to 8 (which is done by setting XSleep in control register 4 to 1), the time
Startup_PLL
+
1024
depends on the polling parameters T
T
Sleep
+
the PLL is enabled and starts up. If the PLL is locked, the signal pro-
Startup_PLL
I
EXT
Bit-check
defined by the bit XSleep in control register 4 and the basic clock
Sleep
T
and T
DCLK
ATA5811/ATA5812 [Preliminary]
Startup_Sig_Proc
is defined by the 5-bit word sleep in control register 4, the
+
depends on the actual bit rate and the number of bits
T
Startup_Sig_Proc
Startup_Sig_Proc
X
Sleep
). After the start-up time all circuits are in stable
the transceiver is not sensitive to a transmit-
+
T
Bit_check
VSOUT
Sleep
be disabled during RX polling
Sleep
, T
Startup_PLL
is about 38 ms if X
VSINT
, T
Startup_Sig_Proc
and the cur-
Sleep
49
is