ATA8743 ATMEL Corporation, ATA8743 Datasheet - Page 14
ATA8743
Manufacturer Part Number
ATA8743
Description
Manufacturer
ATMEL Corporation
Datasheet
1.ATA8743.pdf
(238 pages)
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Table 8-1.
14
Component
Q1
C7
C8
R1
R2
R3
R4
ATA8743
9.843750 MHz
Bill of Material (Continued)
100 nF
100 k
100 k
1.8 k
10 pF
10 k
Figure 8-3.
Note:
13.56 MHz
VCC
100 nF
100 k
100 k
1.8 k
12 pF
10 k
Value
FSK Modulation is Achieved by Switching on/off an Additional Capacitor Between the XTAL Load
Capacitor and GND. This is Done Using a MOS Switch Controlled by a Microcontroller Output.
C7
R3
Typical FSK Application ATA8743
R2
13.567187 MHz
C6
100 nF
100 k
100 k
1.8 k
12 pF
10 k
1
2
3
4
5
6
VDD
PB0/XTAL1
PB1/XTAL2
PB3/RESET
PB2
PA7
ADC7
R1
24
7
GRM188R71C /
Manufacturer Note
GRM1885C/
DSX530GK/
23
8
Murata
Murata
Type/
KDS
ATA874x
C5
22
9
VCC
21
10
This resistor can be resigned if the ASK
modulation is performed using PA5 (MISO).
20
11
C8
C2
PA5/MISO
Q1
PA4/SCK
L1
PA3/T0
L2
19
12
PA0
PA1
PA2
C9
18
17
16
15
14
13
C1
C3
VCC
T1
SW1
SW2
SW3
9152A–INDCO–07/09
C4
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