BC9824 Datasheet, PDF (2/22 Pages) Holtek Semiconductor Inc – Low Power High Performance Low Power High Performance

Pin Assignment
BC9824
VDDPA
RFP
RFN
VSS
VDD3RXRF
20 19 18 17 16
1
15
2
14
BC9824
3
20 QFN-A
13
4
12
5
11
6 7 8 9 10
MOSI
MISO
IRQ
CSN
CE
Pin Description
Pin No.
Symbol
RF and Analog
2
RFP
3
RFN
7
CDVDD
18
XTALP
19
XTALN
Digital
11
CE
12
CSN
13
IRQ
14
MISO
15
MOSI
16
SCK
Power and Ground
1
VDDPA
5
VDD3RXRF
6
VDD3IF
8
VDD3B
4
VSS
9
VSS
17
VSS
20
VSS
10
NC
I/O
Function Description
RF
RF output (PA)/input (LNA), port P
RF
RF output (PA)/input (LNA), port N
O
Digital regulator output decoupling capacitor
O
Crystal oscillator, node P (inverter output)
I
Crystal oscillator, node N (inverter input)
DI
Chip enable activates RX or TX mode
DI
SPI chip select, active low
DO
Maskable interrupt pin, active low
DO
SPI slave data output with tri-state option
DI
SPI slave data input
DI
SPI clock
Power
Power
Power
Power
Ground
Ground
Ground
Ground
−
1.8V regulator output for PA,TX:1.8V, RX:0V
RX front-end power supply (1.9V to 3.6V DC)
RX/TX IF power supply (1.9V to 3.6V DC)
Digital power supply (1.9V to 3.6V DC)
Ground (0V)
Ground (0V)
Ground (0V)
Ground (0V)
No connection
Rev. 1.00
2
October 20, 2015