User Manual
Version 01.03
2010-09-07
Radio modules deRFmega128
Table 8: Signal description list
Signal name
Function
Type
Active
Comments
Level
Power
VCC
Voltage Regulator Power Supply
Power
1.8V to 3.6V
Input
GND
Clocks and Oscillators
Ground
CLKI
CLKO
JTAG
External Clock Input
Divided System Clock Output
Input
Output
TCK
TDI
TDO
TDM
Test Clock
Test Data In
Test Data Out
Test Mode Select
Input
Input
Output
Input
No pull-up resistor
No pull-up resistor
No pull-up resistor
Serial Programming
PDI
PDO
SCK
Reset
Data Input
Data Output
Serial Clock
Input
Output
Input
RSTN
Microcontroller Reset
I/O
Low
Pull-Up resistor
USART
TXD0 – TXD1
Transmit Data
RXD0 – RXD1 Receive Data
XCK0 – XCK1
Serial Clock
Timer/Counter and PWM Controller
OC0A-OC3A
OC0B-OC3B
OC0C-OC3C
Output Compare and PWM Output
A for Timer/Counter 0 to 3
Output Compare and PWM Output
B for Timer/Counter 0 to 3
Output Compare and PWM Output
C for Timer/Counter 0 to 3
T0, T1, T3
Timer/Counter 0,1,3 Clock Input
Input
ICP1
Timer/Counter
Input
Capture
Input
ICP3
Trigger 1 and 3
AMR
Interrupt
PCINT0 -
PCINT7
INT0 – INT7
SPI
MISO
MOSI
SCK
SSN
dresden elektronik
Automated Meter Reading
Pin Change Interrupt Source 0 to 7
External Interrupt Input 0 to7
SPI Master In/Slave Out
SPI Master Out/Slave In
SPI Bus Serial Clock
SPI Slave Port Select
Tel.: +49 351 – 31 85 00
Input
Output
Input
I/O
I/O
I/O
I/O
Page 15 of 28
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Enno-Heidebroek-Str. 12
01237 Dresden / Germany
Fax: +49 351 – 3 18 50 10
wireless@dresden-elektronik.de
www.dresden-elektronik.de
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