PRODUCT SPECIFICATION
nRF9E5 Single Chip Transceiver with Embedded Microcontroller and ADC
TABLE OF CONTENTS
1
Architectural Overview................................................................................................. 5
1.1 Microcontroller......................................................................................................... 5
1.2 PWM....................................................................................................................... 6
1.3 SPI.......................................................................................................................... 6
1.4 Port Logic ................................................................................................................ 6
1.5 Power Management.................................................................................................. 7
1.6 LF Clock, RTC Wakeup Timer, GPIO Wakeup and Watchdog.................................... 7
1.7 XTAL Oscillator....................................................................................................... 7
1.8 AD Converter .......................................................................................................... 8
1.9 Radio Transceiver..................................................................................................... 8
Eletrical Specification................................................................................................... 9
2.1 Detailed Current Information................................................................................... 10
Pin Assignment........................................................................................................... 11
Pin Function............................................................................................................... 12
System Clock............................................................................................................. 13
Digital I/O Ports......................................................................................................... 14
6.1 I/O Port Behavior During RESET............................................................................ 14
6.2 Port 0 (P0) ............................................................................................................. 14
6.3 Port 1 (P1 or SPI port) ............................................................................................ 15
Analog Interface......................................................................................................... 17
7.1 Crystal Specification............................................................................................... 17
7.2 Antenna Output...................................................................................................... 17
7.3 ADC Inputs............................................................................................................ 17
7.4 Current Reference .................................................................................................. 17
7.5 Digital Power De-Coupling ..................................................................................... 18
Internal Interface AD Converter and Transceiver.......................................................... 19
8.1 P2 - Radio General Purpose IO Port......................................................................... 19
Tranceiver Subsystem (nRF905).................................................................................. 21
9.1 RF Modes of Operation........................................................................................... 21
9.2 nRF ShockBurst™ Mode ........................................................................................ 21
9.3 Standby Mode ........................................................................................................ 26
9.4 Output Power Adjustment ....................................................................................... 26
9.5 Modulation............................................................................................................. 26
9.6 Output Frequency................................................................................................... 27
9.7 Carrier Detect......................................................................................................... 27
9.8 Address Match....................................................................................................... 28
9.9 Data Ready ............................................................................................................ 28
2
3
4
5
6
7
8
9
9.10
9.11
Auto Retransmit ................................................................................................. 28
RX Reduced Power Mode................................................................................... 28
10 AD Converter subsystem............................................................................................ 29
10.1 AD Converter .................................................................................................... 29
10.2 AD Converter Usage .......................................................................................... 30
10.3 AD Converter Sampling and Timing.................................................................... 31
11 Tranceiver and AD Converter Configuration................................................................ 33
11.1 Internal SPI Register Configuration...................................................................... 33
11.2 SPI – Instruction Set........................................................................................... 35
11.3 SPI Timing......................................................................................................... 36
11.4 RF Configuration – Register Description.............................................................. 37
11.5 ADC - Configuration Register Description ........................................................... 38
11.6 Status-Register Description................................................................................. 38
11.7 RF - Register Contents........................................................................................ 39
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone +4772898900
Revision: 1.1 Page 3 of 104
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Fax +4772898989
June 2004