1.0 Pin Configuration
V D D _ A N A
2 7
V D D _ P A
V D D _ D IG
G N D
R F +
G N D
G N D
2
3
4
5
6
7
8
V D D _ V C O
T A N K -
T A N K +
P L L -
P L L +
G N D
1
3 2
R F -
3 1
3 0
2 9
2 8
2 6
G N D
2 5
2 4
2 3
2 2
n L O W _ B A T
P L L _ L O C K
IR Q 1
IR Q 0
D A T A
C L K O U T
S C K
S D I
2 1
2 0
1 9
1 8
1 7
1 6
G N D P A D
O N B O T T O M
O F P A C K A G E
9
1 0
1 1
1 2
1 3
1 4
X T A L -
X T A L +
G N D
n S S _ C O N F IG
n S S _ D A T A
G N D
N C
V D D
1 5
1.1 Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PAD
TYPE
-
-
O
I/O
I/O
I/O
I/O
-
-
I/O
I/O
-
-
I
I
O
I
I
O
I/O
O
O
O
O
-
I
O
O
O
-
I/O
I/O
-
NAME
GND
GND
VDD_VCO
TANK-
TANK+
PLL-
PLL+
GND
GND
XTAL+
XTAL-
GND
NC
nSS_CONFIG
nSS_DATA
SDO
SDI
SCK
CLKOUT
DATA
IRQ0
IRQ1/DCLK
PLL_LOCK
nLOW_BATT
GND
VDD
VDD_ANA
VDD_DIG
VDD_PA
GND
RF-
RF+
GROUND
DESCRIPTION
CONNECT TO GND
CONNECT TO GND
REGULATED SUPPLY FOR VCO
VCO TANK
VCO TANK
PLL LOOP FILTER OUTPUT
PLL LOOP FILTER INPUT
CONNECT TO GND
CONNECT TO GND
CRYSTAL CONNECTION (OSCILLATOR OUTPUT)
CRYSTAL CONNECTION (OSCILLATOR INPUT)
CONNECT TO GND
NO CONNECTION - FLOAT PIN
SLAVE SELECT FOR SPI CONFIGURATION DATA
SLAVE SELECT FOR SPI TX/RX DATA
SERIAL DATA OUT
SERIAL DATA IN
SERIAL SPI CLOCK IN
BUFFERED CLOCK OUTPUT
TRANSMIT/RECEIVE DATA
INTERRUPT OUTPUT
INTERRUPT OUTPUT/RECOVERED DATA CLOCK (CONT MODE)
PLL LOCKED INDICATOR
LOW BATTERY DETECT (LEAVE UNCONNECTED IF NOT USED)
CONNECT TO GND
MAIN 3.3 V SUPPLY VOLTAGE
REGULATED SUPPLY FOR ANALOG CIRCUITRY
REGULATED SUPPLY FOR DIGITAL CIRCUITRY
REGULATED SUPPLY FOR RF POWER AMP
CONNECT TO GND
RF I/O
RF I/O
GROUND PAD ON PKG BOTTOM
Table 1
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TRC105 - 10/16/12
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