ATA5771-PXQW Atmel, ATA5771-PXQW Datasheet - Page 190

• Manufacturer Part Number: ATA5771-PXQW
• Description: XMITTR UHF ASK/FSK 868MHZ 24VQFN
• Manufacturer: Atmel

Specifications of ATA5771-PXQW

• Frequency: 868MHz ~ 928MHz
• Modulation Or Protocol: UHF
• Power - Output: 8dBm
• Voltage - Supply: 2 V ~ 4 V
• Current - Transmitting: 9.8mA
• Data Interface: PCB, Surface Mount
• Memory Size: 4kB Flash, 256B EEPROM, 256B SRAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Processor Series: ATA5x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 4 KB
• Data Ram Size: 256 B
• Interface Type: SPI, USI
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -
• Sensitivity: -
• Data Rate - Maximum: -
• Current - Receiving: -
• Lead Free Status / Rohs Status: Details

8.3.3.3
8.3.4
Table 8-3.
Notes:
Table 8-4.
190
*) Type means: A = 100% tested, C = Characterized on samples
Note:
Symbol
V
V
RAM
t
V
t
I
HYST
BOD
BG
BG
BG
1. Values are guidelines only.
2. This is the limit to which VDD can be lowered without losing RAM data
(2)
1. V
Atmel ATA5771/73/74
BODLEVEL
System and Reset Characterizations
is tested down to V
drops to a voltage where correct operation of the microcontroller is no longer guaranteed
External Clock Drive
BOT
111
110
001
000
010
011
101
Reset, Brown-out and Internal Voltage Reference Characteristics
Parameter
Brown-out Detector Hysteresis
RAM Retention Voltage
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
BODLEVEL Fuse Coding
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device
Table 8-2.
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CC
t
CLCL
CLCL
= V
(1)
BOT
Min V
during the production test. This guarantees that a Brown-out Reset will occur before V
Parameter
Clock Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock cycle to the next
(1)
1.7
1.7
1.8
2.0
2.1
2.5
External Clock Drive
BOT
Typ V
1.8
1.9
2.0
2.2
2.3
2.7
V
V
V
C C
C C
C C
BOD Disabled
BOT
= 2.7V, T
= 2.7V, T
= 2.7V, T
Condition
A
A
A
= 25°C
= 25°C
= 25°C
Max V
(1)
2.0
2.1
2.2
2.4
2.5
2.9
BOT
Min
1.0
50
Min.
100
40
40
V
0
CC
Typ
100
= 2.7 - 3.6V
1.1
40
10
2
Unit
V
Max.
1.6
1.6
10
2
Max
250
1.2
70
9137E–RKE–12/10
Type*
A
C
C
C
C
A
MHz
Unit
Unit
mV
mV
µA
ns
µs
ns
ns
ns
µs
µs
CC
%
V