User Guide

Pin Signal I/O Engine connection Notes

5 CLK <- Helen2/3 MMC2_CLK External clock

for the MMC

card, Max 20

MHz

6 Vss2 GND Ground

7 DAT <-> Helen2/3 MMC2_DAT0 Bi-directional

data bus

- MMCDET -> Helen2/3 btwake1(in)

[P10]

MMC card

detect

Charger connector and charging interface connections & electrical characteristics

Figure 112 Charger connector

Table 10 Charging interface connections

Pin Signal I/O Engine connection Notes

1 Vchar In Tahvo VCharIn1, 2 Charging

voltage /

charger

detection,

Center pin

2 Charge GND Ground Charger ground

Table 11 Charging IF electrical characteristics

Description Parameter Min Max Unit Notes

Vchar V Charge 0 9 V Center pin

Vchar I Charge 0.85 A Center pin

Charge GND 0.85 A

RM-1

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