CC1000
SWRS048A Page 8 of 55
4. Pin Assignment
Pin no. UltraCSP
pin no.
Pin name
Pin type
Description
1
G3
AVDD
Power (A)
Power supply (3 V) for analog modules (mixer and IF)
2
F2
AGND
Ground (A)
Ground connection (0 V) for analog modules (mixer and IF)
3
G2
RF_IN
RF Input
RF signal input from antenna
4
G1
RF_OUT
RF output
RF signal output to antenna
5
F1
AVDD
Power (A)
Power supply (3 V) for analog modules (LNA and PA)
6
E2
AGND
Ground (A)
Ground connection (0 V) for analog modules (LNA and PA)
7
E1
AGND
Ground (A)
Ground connection (0 V) for analog modules (PA)
8
D1
AGND
Ground (A)
Ground connection (0 V) for analog modules (VCO and prescaler)
9
C1
AVDD
Power (A)
Power supply (3 V) for analog modules (VCO and prescaler)
10
B1
L1
Analog input
Connection no 1 for external VCO tank inductor
11
A1
L2
Analog input
Connection no 2 for external VCO tank inductor
12 B2
CHP_OUT
(LOCK)
Analog output
Charge pump current output
The pin can also be used as PLL Lock indicator. Output is high
when PLL is in lock.
13 C2
R_BIAS
Analog
output
Connection for external precision bias resistor (82 k
Ω
,
±
1%)
14
F3
AGND
Ground (A)
Ground connection (0 V) for analog modules (backplane)
15
A2
AVDD
Power (A)
Power supply (3 V) for analog modules (general)
16
B3
AGND
Ground (A)
Ground connection (0 V) for analog modules (general)
17
A3
XOSC_Q2
Analog output
Crystal, pin 2
18 A4
XOSC_Q1
Analog
input
Crystal, pin 1, or external clock input
19
B4
AGND
Ground (A)
Ground connection (0 V) for analog modules (guard)
20
C3
DGND
Ground (D)
Ground connection (0 V) for digital modules (substrate)
21
C4
DVDD
Power (D)
Power supply (3 V) for digital modules
22
D4
DGND
Ground (D)
Ground connection (0 V) for digital modules
23 E4
DIO Digital
input/output
Data input/output. Data input in transmit mode. Data output in
receive mode
24
F4
DCLK
Digital output
Data clock for data in both receive and transmit mode
25
G4
PCLK
Digital input
Programming clock for 3-wire bus
26 D3
PDATA
Digital
input/output
Programming data for 3-wire bus. Programming data input for
write operation, programming data output for read operation
27
D2
PALE
Digital input
Programming address latch enable for 3-wire bus. Internal pull-up.
28
E3
RSSI/IF
Analog output
The pin can be used as RSSI or 10.7 MHz IF output to optional
external IF and demodulator. If not used, the pin should be left
open (not connected).
A=Analog, D=Digital
(Top View)
1
14
15
AVDD
AGND
RF_IN
RF_OUT
AVDD
AGND
AGND
AGND
AVDD
L1
L2
R_BIAS
CHP_OUT
AGND
CC1000
2
3
4
6
5
7
8
9
11
12
13
10
28
RSSI/IF
PALE
PDATA
PCLK
DCLK
DIO
DGND
DVDD
DGND
AGND
XOSC_Q1
AGND
XOSC_Q2
AVDD
27
26
25
23
24
22
21
20
18
17
16
19
1
14
15
AVDD
AGND
RF_IN
RF_OUT
AVDD
AGND
AGND
AGND
AVDD
L1
L2
R_BIAS
CHP_OUT
AGND
CC1000
2
3
4
6
5
7
8
9
11
12
13
10
28
RSSI/IF
PALE
PDATA
PCLK
DCLK
DIO
DGND
DVDD
DGND
AGND
XOSC_Q1
AGND
XOSC_Q2
AVDD
RSSI/IF
PALE
PDATA
PCLK
DCLK
DIO
DGND
DVDD
DGND
AGND
XOSC_Q1
AGND
XOSC_Q2
AVDD
27
26
25
23
24
22
21
20
18
17
16
19