ATA5771_09 ATMEL [ATMEL Corporation], ATA5771_09 Datasheet - Page 29

• Manufacturer Part Number: ATA5771_09
• Description: Microcontroller with UHF ASK/FSK Transmitter
• Manufacturer: ATMEL [ATMEL Corporation]

2. Pin Configuration
Figure 2-1.
Table 2-1.
2
Pin
1
2
3
4
T5753
PA_ENABLE
Symbol
Pinning TSSOP8L
Pin Description
ANT2
ANT1
CLK
Function
Clock output signal for microcontroller
The clock output frequency is set by the
crystal to f
Switches on power amplifier, used for
ASK modulation
Emitter of antenna output stage
Open collector antenna output
XTAL
/4
PA_ENABLE
ANT2
ANT1
CLK
1
2
3
4
T5753
8
7
6
5
ENABLE
GND
VS
XTAL
PA_ENABLE
100
100
50 k
Configuration
20 µA
VS
CLK
ANT1
ANT2
U
REF
4510J–RKE–12/08
= 1.1V