CC1000
4. Pin Assignment
Pin no. UltraCSP Pin name
pin no.
Pin type
Power (A)
Ground (A)
RF Input
RF output
Power (A)
Ground (A)
Ground (A)
Ground (A)
Power (A)
Analog input
Analog input
Description
1
2
G3
F2
G2
G1
F1
E2
E1
D1
C1
B1
A1
B2
AVDD
AGND
RF_IN
RF_OUT
AVDD
AGND
AGND
AGND
AVDD
L1
Power supply (3 V) for analog modules (mixer and IF)
Ground connection (0 V) for analog modules (mixer and IF)
RF signal input from antenna
3
4
5
6
7
8
9
RF signal output to antenna
Power supply (3 V) for analog modules (LNA and PA)
Ground connection (0 V) for analog modules (LNA and PA)
Ground connection (0 V) for analog modules (PA)
Ground connection (0 V) for analog modules (VCO and prescaler)
Power supply (3 V) for analog modules (VCO and prescaler)
Connection no 1 for external VCO tank inductor
Connection no 2 for external VCO tank inductor
Charge pump current output
10
11
12
L2
CHP_OUT Analog output
(LOCK)
The pin can also be used as PLL Lock indicator. Output is high
when PLL is in lock.
13
14
15
16
17
18
19
20
21
22
23
C2
F3
A2
B3
A3
A4
B4
C3
C4
D4
E4
R_BIAS
AGND
AVDD
AGND
XOSC_Q2 Analog output
XOSC_Q1 Analog input
AGND
DGND
DVDD
DGND
DIO
Analog output
Ground (A)
Power (A)
Connection for external precision bias resistor (82 kΩ, ± 1%)
Ground connection (0 V) for analog modules (backplane)
Power supply (3 V) for analog modules (general)
Ground connection (0 V) for analog modules (general)
Crystal, pin 2
Ground (A)
Crystal, pin 1, or external clock input
Ground (A)
Ground (D)
Power (D)
Ground (D)
Digital
input/output
Digital output
Digital input
Digital
Ground connection (0 V) for analog modules (guard)
Ground connection (0 V) for digital modules (substrate)
Power supply (3 V) for digital modules
Ground connection (0 V) for digital modules
Data input/output. Data input in transmit mode. Data output in
receive mode
24
25
26
F4
G4
D3
DCLK
PCLK
PDATA
Data clock for data in both receive and transmit mode
Programming clock for 3-wire bus
Programming data for 3-wire bus. Programming data input for
write operation, programming data output for read operation
Programming address latch enable for 3-wire bus. Internal pull-up.
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).
input/output
Digital input
Analog output
27
28
D2
E3
PALE
RSSI/IF
A=Analog, D=Digital
(Top View)
1
2
3
4
28
AVDD
AGND
RF_IN
RSSI/IF
27
PALE
26
PDATA
25
RF_OUT
AVDD
AGND
AGND
AGND
AVDD
L1
PCLK
5
24
DCLK
6
23
DIO
1C0
7
22
21
20
19
18
17
16
15
DGND
DVDD
8
9
DGND
10
11
12
13
14
AGND
L2
XOSC_Q1
XOSC_Q2
AGND
CHP_OUT
R_BIAS
AGND
AVDD
SWRS048A
Page 8 of 55
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