Rainbow Electronics ATAR862-8 - Manual (Page 2)

2
ATAR862-8
4589B–4BMCU–02/03
Pin Configuration
Figure 2. Pinning SSO24
XTAL
VS
GND
ENABLE
NRESET
BP63/T3I
BP20/NTE
BP23
BP41/T2I/VMI
BP42/T2O
BP43/SD/INT3
VSS
ANT1
ANT2
PA_ENABLE
CLK
BP60/T3O
OSC2
OSC1
BP50/INT6
BP52/INT1
BP53/INT1
BP40/SC/INT3
VDD
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Pin Description: RF Part
Pin Symbol Function Configuration
1 CLK Clock output signal for microcontroller
The clock output frequency is set by the
crystal to f
XTAL
/4
2 PA_ENABLE Switches on power amplifier, used for
ASK modulation
3
4
ANT2
ANT1
Emitter of antenna output stage
Open collector antenna output
CLK
VS
100
100
PA_ENABLE 50k Uref=1.1V
20 µA
ANT1
ANT2