User Guide

NHB–3
Technical Documentation
PAMS
HF Desktop Charger CHH–8P
Original 26/97 Page 14
Port A Signals of the Processor
Port A: Function:
PA0: PHONE GREEN (out) Phone LED control, green: ”1”
PA1: PHONE RED (out) Phone LED control, red: ”1”
PA2: SPARE GREEN (out) Spare battery LED control, green: ”1”
PA3: SPARE RED (out) Spare battery LED control, red: ”1”
PA4: DISCHRG BUTTON (in) Discharge button control, ”0”: start discharge
PA5: SPARE DISCHRG (out) Discharge spare battery, ”1”: discharge enabled
PA6: AUDIO POWER (out) Audio power switch, ”1”: power on
PA7: CHARGER (out) Charger switch, ”1”: charger on
Port B Signals of the Processor
Port B: Function:
PB0: SERVICE J301 (out)
PB1: SERVICE J302 (out)
PB2: SERVICE J303 (out)
PB3: SERVICE J304 (out)
PB4: SERVICE J305 (out) NC
PB5: VOICE MAIL (in) Voice mail listening, ”0”: activation
PB6: HFMIC MUTE (in) HF microphone muting, ”0”: activation
PB7: Unused NC
Port C Signals of the Processor
Port C: Function:
PC0: TXD (out) M2BUS transmit
PC1: RXD (in) M2BUS receive
PC2: Unused NC
PC3: TRXDINT (in) M2BUS interrupt
PC4: DVCE0 (in) Device type, ”1”
PC5: DVCE1 (in) Device type, ”0”
PC6: SPARE CHARGE (out) Spare battery charging, ”1”: charging on
PC7: WTCHDOG (out) Watchdog reset, ”01010...”: reseting on