User's Manual

User Manual
Version 01.01
2011-12-22
Radio modules deRFarm7
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
01237 Dresden / Germany
Tel.: +49 351 – 31 85 00
Fax: +49 351 – 3 18 50 10
[e-mail]
www.dresden-elektronik.de
Page 20 of 38
Signal name
Function
Type
Active
Level
Comments
IRQ1
External Interrupt Inputs
Input
SPI
SPI0_MISO
Master In / Slave Out
I/O
SPI0_MOSI
Master Out / Slave In
I/O
SPI0_SPCK
SPI Serial Clock
I/O
SPI0_NPCS2
SPI Peripheral Chip Select 2
Output
Low
SPI1_NPCS2
SPI Peripheral Chip Select 2
Output
Low
SPI1_NPCS3
SPI Peripheral Chip Select 3
Output
Low
Two-Wire-Interface
TWD
Two-Wire Serial Interface Data
I/O
TWCK
Two-Wire Serial Interface Clock
I/O
USB Device Port
USBDM
USB Device Port Data -
Analog
USBDP
USB Device Port Data +
Analog
Analog-to-Digital Converter
AD0 – AD1
Analog Inputs
Analog
Digital pulled-up in-
puts at reset
ADTRG
ADC Trigger
Input
ADVREF
ADC Reference
Analog
Ethernet MAC 10/100 (RMII Mode)
ETXCK/
EREFCK
Reference Clock
Input
RMII only
ETXEN
Transmit Enable
Output
ETX0 – ETX1
Transmit Data
Output
ERX0 – ERX1
Receive Data
Input
ERXER
Receive Error
Input
EMDC
Management Data Clock
Output
EMDIO
Management Data Input/Output
I/O
ERXDV/
ECRSDV
Carrier Sense and Data Valid
Input
RMII only
EF100
Force 100 Mbits/sec.
Output
High
RMII only