User Guide

PAMS
System Module DB6
NHB–3
Technical Documentation
Original 26/97
Page 4–6
In power off mode only the circuits needed for power up are powered. This
means that only power up block inside the PSL+ is powered. The power key on
the flex is pulled up with a pull up resistor inside the PSL+.
The local mode is used for alignment and testing.
Supply Voltages and Power Consumption
Pin/Conn. Symbol Notes
VBATT/sys VBATT • min/typ/max 5.3 /6.0 /8.6 V sw limit
• min/typ/max 4.5 /6.0 /8.9±0.3 V hw limit
• min/typ/max 4.5 /6.0 /7.3±0.3 V hw limit
during a call
VA1 • min/typ/max 4.5 / 4.65 /4.8 V Imax = 40 mA
VA2 • min/typ/max 4.5 / 4.65 /4.8 V Imax = 80 mA
VL1 • min/typ/max 4.5 / 4.65 /4.8 V Imax = 150 mA
VL2 • min/typ/max 4.5 / 4.65 /4.8 V Imax = 150 mA
VREF • min/typ/max 4.55 / 4.65 /4.75 V Imax = 5 mA
14/sys VF • min/typ/max 11.4 /12 /12.6 V Flash
programming voltage
8,16/sys VCHAR • min/typ/max 10 /12 /13.5 V Charger voltage,
when Isink<730 mA
• min/typ/max 730 /800 /870 mA Charger cur–
rent, when Uin<10 V
Control Signals
Pin/Con Symbol Notes
5/sys M2BUS • min/max 0 /0.7 V Input low level
• min/max 3.0 /4.8 V Input high level
• min/typ/max 0 /0.2 /0.35 V Output low level
• min/typ/max 3.6 /4.65 /4.8V Output high level
6/sys HOOK_RXD2 • Connected to MCU A/D input
• min/typ/max 4.1 /4.65 /4.8 V (not in use)
• min/typ/max 3.0 /3.45 /4.0 V Headset
adapter and plug are connected
• min/typ/max 1.9 /2.35 /2.9 V Hook off in
compact HF
• min/typ/max 0 /0.5 /0.7 V Hook on in
compact HF