Specifications

MC55/56 Hardware Interface Description
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MC55/56_hd_v04.00a Page 75 of 108 24.08.2006
5 Electrical, reliability and radio characteristics
5.1 Absolute maximum ratings
Absolute maximum ratings for supply voltage and voltages on digital and analog pins of
MC55/56 are listed in
Table 24. Exceeding these values will cause permanent damage to
MC55/56.
Table 24: Absolute maximum ratings
Parameter Min Max Unit
Voltage BATT+ -0.3 4.8 V
Voltage at digital pins -0.3 3.3 V
Voltage at analog pins -0.3 3.0 V
Voltage at digital / analog pins in POWER DOWN mode -0.25 +0.25 V
Voltage at POWER pin 15 V
Voltage at CHARGE pin 15 V
Differential load resistance between EPNx and EPPx 15
Ω