
PRODUCT SPECIFICATION
nRF9E5 Single Chip Transceiver with Embedded Microcontroller and ADC
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone +4772898900 - Fax +4772898989
Revision: 1.1
Page 4 of 104
June 2004
11.8
11.9
11.10
Tranceiver Subsytem Timing....................................................................................... 41
12.1
Device Switching Times..................................................................................... 41
12.2
ShockBurst
TM
TX Timing.................................................................................... 41
12.3
ShockBurst
TM
RX Timing.................................................................................... 42
SPI............................................................................................................................ 43
PWM......................................................................................................................... 44
Interrupts................................................................................................................... 45
15.1
Interrupt SFRs.................................................................................................... 45
15.2
Interrupt Processing............................................................................................ 48
15.3
Interrupt Masking............................................................................................... 48
15.4
Interrupt Priorities.............................................................................................. 48
15.5
Interrupt Sampling.............................................................................................. 49
15.6
Interrupt Latency................................................................................................ 50
15.7
Interrupt Latency from Power Down State........................................................... 50
15.8
Single-Step Operation......................................................................................... 50
LF Clock Wakeup Functions and Watchdog................................................................. 51
16.1
The LF Clock..................................................................................................... 51
16.2
Tick Calibration.................................................................................................. 51
16.3
RTC Wakeup Timer............................................................................................ 52
16.4
Programmable GPIO Wakeup Function................................................................ 52
16.5
Watchdog........................................................................................................... 53
16.6
Programming Interface to Watchdog and Wakeup Functions................................. 53
16.7
Reset................................................................................................................. 55
Power Saving Modes.................................................................................................. 57
17.1
Standard 8051 Power Saving Modes.................................................................... 57
17.2
Additional Power Down Modes........................................................................... 58
Microcontroller........................................................................................................... 60
18.1
Memory Organization......................................................................................... 60
18.2
Program Format in External EEPROM................................................................ 61
18.3
Instruction Set.................................................................................................... 62
18.4
Instruction Timing.............................................................................................. 68
18.5
Dual Data Pointers.............................................................................................. 68
18.6
Special Function Registers.................................................................................. 69
18.7
SFR Registers Unique to nRF9E5........................................................................ 73
18.8
Timers/Counters................................................................................................. 74
18.9
Serial Interface................................................................................................... 81
Package Outline.......................................................................................................... 92
PCB Layout and Decoupling Guidelines...................................................................... 93
Application Examples................................................................................................. 94
21.1
Differential Connection to a Loop Antenna .......................................................... 94
21.2
PCB Layout Example, Differential Connection to a Loop Antenna ........................ 96
21.3
Single Ended Connection to 50
Antenna............................................................ 97
21.4
PCB Layout Example, Single Ended Connection to 50
Antenna ......................... 99
21.5
Configure the Chip as nRF905............................................................................. 99
Absolute Maximum Ratings.......................................................................................100
Glossery of Terms.....................................................................................................101
Definitions ................................................................................................................102
Your Notes...............................................................................................................103
ADC Configuration Register Contents................................................................. 40
ADC Data Register Contents............................................................................... 40
Status Register Contents..................................................................................... 40
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