Specifications

10 JN-DS-JN5148-001 1v9 © NXP Laboratories UK 2013
2.1 Pin Assignment
Pin No Power supplies
Signal
Type
Description
10, 12, 16, 18, 27,
35, 40
VB_SYNTH, VB_VCO, VB_RF2, VB_RF, VB_A, VB_RAM,
VB_DIG
1.8V Regulated supply voltage
13, 49 VDD1, VDD2 3.3V
Supplies: VDD1 for analogue,
VDD2 for digital
32, 6, 3, 7, Paddle VSS1, VSS2, VSS3, VSSS, VSSA 0V
Grounds (see appendix A.2 for
paddle details)
28
NC
No connect
General
39
RESETN
CMOS
Reset input
8, 9 XTAL_OUT, XTAL_IN 1.8V System crystal oscillator
Radio
11
VCOTUNE
1.8V
VCO tuning RC network
14 IBIAS 1.8V Bias current control
17
RF_IN
1.8V
RF antenna
Analogue Peripheral I/O
21, 22, 23, 24 ADC1, ADC2, ADC3, ADC4 3.3V ADC inputs
15
VREF
1.8V
Analogue peripheral reference
voltage
29, 30
DAC1, DAC2
3.3V
DAC outputs
19, 20 COMP1M/EXT_PA_B, COMP1P/EXT_PA_C 3.3V
Comparator 1 inputs and
external PA control
25, 26
COMP2M, COMP2P
3.3V
Comparator 2 inputs
Digital Peripheral I/O
Primary Alternate Functions
33 SPICLK CMOS SPI Clock Output
36 SPIMOSI CMOS SPI Master Out Slave In Output
34
SPIMISO
CMOS
SPI Master In Slave Out Input
37 SPISEL0 CMOS SPI Slave Select Output 0
38 DIO0 SPISEL1 CMOS
DIO0 or SPI Slave Select Output
1
41 DIO1 SPISEL2 PC0 CMOS
DIO1, SPI Slave Select Output 2
or Pulse Counter0 Input
42 DIO2 SPISEL3 RFRX CMOS
DIO2, SPI Slave Select Output 3
or Radio Receive Control Output
43
DIO3
SPISEL4
RFTX
CMOS
DIO3, SPI Slave Select Output 4
or Radio Transmit Control Output
44
DIO4
CTS0
JTAG_TCK
CMOS
DIO4, UART 0 Clear To Send
Input or JTAG CLK
45
DIO5
RTS0
JTAG_TMS
CMOS
DIO5, UART 0 Request To Send
Output or JTAG Mode Select
46
DIO6
TXD0
JTAG_TDO
CMOS
DIO6, UART 0 Transmit Data
Output or JTAG Data Output
47 DIO7 RXD0 JTAG_TDI CMOS
DIO7, UART 0 Receive Data
Input or JTAG Data Input
48 DIO8 TIM0CK_GT PC1 CMOS
DIO8, Timer0 Clock/Gate Input
or Pulse Counter1 Input
50 DIO9 TIM0CAP 32KXTALIN 32KIN CMOS
DIO9, Timer0 Capture Input, 32K
External Crystal Input or 32K
Clock Input