Meinberg GPS170LCD-MP Uživatelský manuál stáhnout pdf (Strana 56)

Signal Description GPS170

Name Pin Function

GND 32a+c Ground

VCC in (+5V) 1a+c +5V supply

VCC in (+12V) 2a+c +12V supply

VCC in (+5V) 3a+c +5 V supply (TCXO / OCXO)

P_SEC out 6c Pulse when second changes, TTL level,

active high, length 200 msec

P_MIN out 8c Pulse when minute changes, TTL level,

active high, length 200 msec

/RESET in/out 9c RESET signal, Open Drain pulled up to +5V

Prog. Pulse out 10c-12c programmable pulse, TTLlevel

100 kHz out 10a 100 kHz frequency output, TTL level

1 MHz out 11a 1 MHz frequency output, TTL level

10 MHz out 12a 10 MHz frequency output, TTL level

TIME CODE DC 13a Time code unmod. out

TIME CODE AM 14a Time code mod. out 3Vpp

DCF_MARK out 17c DCF77 compatible second marks, TTL level

active high, length 100/200 msec

TIME_SYN 19c TTL output, HIGH level if synchronization has

been achieved, LOW level after reset or in case of

serious errors (e.g. antenna faulty)

F_SYNTH 21c Synthesizer output, TTL-Pegel

F_SYNTH_OD 22c Synthesizer output, Open Drain,

max sink current to GND: 150mA

F_SYNTH_SIN 23c Synthesizer output, sine-wave 1.5 V eff.

CAPx 27c, 28c Time capture inputs (TTL), capture on falling slope

COMx TxD out COMx RS-232 transmit data output

COMx RxD in COMx RS-232 receive data input

SDA, SCL, SCL_EN internal serial control bus, for extension boards

(reserved) reserved, do not connect

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Meinberg GPS170LCD-MP Uživatelský manuál Strana 56