Brief Overview - Conrad Electronic C- CONTROL 1 UNIT M 2.0 Hardware Manual

Brief overview

A/D-Ports
- 8 x 8 Bit A/D, 0-5 V also as digital port usable
- Reference voltageis operation voltage or can be applied from external
Digitalports
- 16 programmable as input or output
- Pullup resistors are switchable
D/A-Converter
- 2 PWM outputs, PWM-Rate 1953 Hz
- alternate function for servocontrol is possible
DCF/ FREQ1-Input
- Digital port with internal 10k pullup resistor prepared for connecting a DCF77 active antenna with
open collector output or frequency measurement up to 30kHz
- alternate function as eventcounter is possible
FREQ2-Input
- Digital port with internal 10k pullup resistor for frequency measurement up to 30kHz
- alternate function as eventcounter is possible
IRQ-Input
- Interrupt input IRQ (can be replaced by other interrupt sources)
- (20ms Timer,RF Moule, IR Module )
Serial Interface
- 9600 Baud, 8 Bit, 1 startbit, 1 stoppbit, no parity no Handshake, CMOS/TTL-Level
(19k2, 38k4 possible)
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