RFPIC12F675H Microchip Technology Inc., RFPIC12F675H Datasheet - Page 54

• Manufacturer Part Number: RFPIC12F675H
• Description: 20-pin Flash-based 8-bit Cmos Microcontroller With Uhf Ask/fsk Transmitter
• Manufacturer: Microchip Technology Inc.

rfPIC12F675
FIGURE 9-5:
FIGURE 9-6:
DS70091A-page 52
C1 can be shorted
R1 can be omitted
C3
0.1 µF
C3
0.1 µF
C1
39 pF
C1
X1
13.55 MHz
X1
R1
220 kΩ
R1
TYPICAL ASK TRANSMITTER SCHEMATIC
TYPICAL FSK TRANSMITTER SCHEMATIC
+V
+V
C4
100 pF
C4
100 pF
10
10
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
V
GP5/T1CKI/OSC1/CLKIN
GP4/AN3/T1G/OSC2/CLKOUT
GP3/MCLR/V
RFXTAL
RFENIN
CLKOUT
PS
V
V
V
GP5/T1CKI/OSC1/CLKIN
GP4/AN3/T1G/OSC2/CLKOUT
GP3/MCLR/V
RFXTAL
RFENIN
CLKOUT
PS
V
V
DD
DDRF
SSRF
DD
DDRF
SSRF
+V
+V
+
+
-
-
BT1
CR2032
3V
BT1
CR2032
3V
PP
PP
C2
1000 pF
Lithium Cell
Lithium Cell
Preliminary
rfPIC12F675K
rfPIC12F675K
C5
100 pF
C5
100 pF
U1
U1
+V
+V
GP1/AN1/CIN-/V
GP1/AN1/CIN-/V
GP2/AN2/T0CKI/INT/COUT
GP2/AN2/T0CKI/INT/COUT
GP0/AN0/CIN+/ICSPDAT
GP0/AN0/CIN+/ICSPDAT
C6
5 pF
C6
5 pF
L1
120 nH
REF
L1
120 nH
REF
R2
4.7 kΩ
R2
4.7 kΩ
/ICSPCLK
/ICSPCLK
DATA
DATA
DATA
DATA
FSK
FSK
V
C7
4 pF
C7
4 pF
V
ANT
SSRF
ANT
OUT
V
SSRF
V
FSK
ASK
OUT
LF
FSK
ASK
SS
LF
SS
20
19
20
19
18
17
16
15
14
13
12
11
18
17
16
15
14
13
12
11
 2003 Microchip Technology Inc.
+V
Loop Antenna
Loop Antenna
SW2
SW2
SW1
SW1