User Guide

After Sales
Technical Documentation
Desktop Charger CHH–6
Page 11Original, 11/94
Table 13. Processor Input/Output Signals: (continued)
NOTESSIGNAL NAME
PA5/DISW Discharge control output,
”1”: discharge enabled
PC6/BSW Spare battery charge control
”0”: charge disabled
”1”: rapid charge
PWM: pulsed mode
PC7 Watchdog reset output
Table 14. Outputs for Test Purposes Only
J14 J13 J12 J11 NOTES
0 0 0 1 Battery voltage hi limit reached
0 0 1 0 Max charge time
0 0 1 1 Voltage drop (delta V)
0 1 0 0 Battery temperature high
0 1 0 1 Constant voltage
Table 15. Processor A/D Inputs:
INPUT NOTES
AN0/VBATL Battery voltage
range 0 to 11 V
resolution 43 mV/bit
AN1/VBATH High resolution battery voltage
range 7.0 to 11 V
resolution 16 mV/bit
AN2/PDET Phone current detect
PDET = ”1” for A/D value higher than 5
PDET = ”0” for A/D value 5 of or less
AN3/BTEMP Battery temperature, 27 kohm pull–up resistor to
+5 V reference supply
AN4/BSI Battery size, 100 kohm pull–up resistor to +5 V
reference supply
AN5/CHVOL Charger voltage detection
AN7/LIREF Lithium reference voltage input – DISABLED
Range 0 to 5V
Resolution 19.5 mV/bi