
TC32306FTG
2015-10-01
96
13.4 Example of Application Circuit 3
is an example of application circuit controlled by MCU and EEPROM.
(Bidirectional communication / 5V Use)
Fig 13-4 Example of Application Circuit 3
- Fig 13-4 is EEPROM Mode and external EEPROM I/O is connected to SPI control pins of TC32306FTG,
- Fig 13-4 is 5V Use. For 3V Use, change the voltage supply connections by referring Fig 13-1.
- Do not connect DC voltage except ground to RF_IN pin.
- MCU controls RESET pin.
- MCU controls ENB pin, RX_SW pin and TX_SW pin to set configuration of EEPROM.
- MCU accepts a signal from DET_TMONI1 pin as an interrupt signal.
- MCU monitors RSSI_OUT pin signal.
- In EEPROM Mode, this IC doesn’t prepare antenna switch control.
- About EEPROM pin termination, see that manual.
(for example: SPI Serial EEPROM S-25A010A/020A/040A series, Seiko Instruments Inc.)
- About resistors, capacitors and coils values in the circuit, consider referring to the evaluation circuit of section 13.1.
IF
Filt er
Detector
LPF
RSSI
ADC
LPF
BRF
Data
COMP
VCO
Divider
PLL
XO SC
Monit or
SP
I
Reference
clock
IF AMP
PA
MIX
FSK
ASK
LNA
Limiter
RX
TX
0.1µF
0.1µF
10
00
pF
10
00
pF
0.1µF
0.1µF
0.1µF
0.1µF
VDD
C3
C4
C5
L1
L2
L3
L4
C
10
C
11
30.32MHz
0.1µF
X1
R1
C6
C1
C2
RX_IN
TX_OUT
E
E
P
R
O
M
0.1µF
MCU
TC32306FTG
19
20
21
22
24
25
26
27
23
9
8
7
6
4
3
2
5
35
34
33
32
31
30
29
28
16
17
18
13
14
15
10
11
12
36
1
C7
1
00
k
1
00
DET_
TMONI2
DET_
TMONI3
IO
_
GN
D
D
AT
A
_
IO
D
ET
_
T
M
ON
I1
C
OM
_
VD
D
M
IS
O
M
O
SI
CL
K
CS
D
_
R
EG
X_OUT
X_IN
PLL_
GND
PLL_REG TEST
MODE1 MODE2 RESET
PA
_
GN
D
2
TX_SW
PA
_
GN
D
1
PA
_
OU
T
IF
_
R
EF
A
_
GN
D
A
_
R
EG
A
_
VD
D
_
3
V
RF
_
OU
T
A
_
VD
D
_
5
V
RF_IN
RF_DEC
RX_SW
RSSI_
OUT
3V/5V
DET_
TMONI4
ENB