User's Manual

User Manual
Version 1.1
2011-10-21
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 19 of 31
Table 8: Signal description list
Signal name Function Type Active
Level
Comments
Power
VCC Voltage Regulator Power Supply
Input
Power 3.0V to 3.6V
GND Ground
JTAG
TCK Test Clock Input On-board Pull-up
TDI Test Data In Input On-board Pull-up
TDO Test Data Out Output
TMS Test Mode Select Input On-board Pull-up
JTAGSEL JTAG Selection Input On-Board Pull-down
Debug Unit
DRXD Debug Receive Data Input
DTXD Debug Transmit Data Output
Reset
RSTN Microcontroller Reset I/O Low Pull-Up resistor
Clocks, Oscillators
PCK0 - PCK3 Programmable Clock Output Output
U[S]ART
TXD0 Transmit Data I/O
RXD0 Receive Data Input
RTS0 Request To Send Output
CTS0 Clear To Send Input
DTR1 Data Terminal Ready Output
RI1 Ring Indicator Input
Timer/Counter and PWM Controller
TIOA1 – 2 I/O Line A I/O
TIOB1 – 2 I/O Line B I/O
TCLK1 External Clock Inputs Input
PWM Controller
PWM0 - 2 PWM Channels Output
Interrupt
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
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