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WM8351 Datasheet(PDF) 285 Page - Wolfson Microelectronics plc |
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WM8351 Datasheet(HTML) 285 Page - Wolfson Microelectronics plc |
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285 / 330 page  Production Data WM8351 w PD, April 2012, Rev 4.5 285 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO Protected by security key. Reset by state machine. 3 CHG_NTC_MON 1 Enable charger battery NTC detection (some batteries may not need this - turn off with caution) 0 = Charger ignores NO_NTC detection. 1 = Charger monitors NO_NTC detection. Default held in metal mask. 2 CHG_BATT_HOT_MON 1 Enable charger battery temperature high detection (some batteries may not need this - turn off with caution) 0 = Charger ignores battery temperature too high. 1 = Charger monitors battery temperature too high. Default held in metal mask. 1 CHG_BATT_COLD_MON 1 Enable charger battery temperature low detection (some batteries may not need this - turn off with caution) 0 = Charger ignores battery temperature low. 1 = Charger monitors battery temperature low. Default held in metal mask. 0 CHG_CHIP_TEMP_MON 1 Enable charger chip temperature detection (some batteries may not need this - turn off with caution) 0 = Charger ignores chip temperature 1 = Charger monitors chip temperature Protected by security key. Default held in metal mask. Register A8h Battery Charger Control 1 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R169 (A9h) Battery Charger Control 2 15 CHG_ACTIVE 0 Charger Status. 0 = Battery Charging is inactive 1 = Battery Charging is active (Note CHG_ENA is just a request; the WM8351 determines if the conditions are satisfied for Battery Charging). Default held in metal mask. 14 CHG_PAUSE 0 0 = Don't pause the charger 1 = Pause charging Reset by state machine. 13:12 CHG_STS[1:0] 00 00 = Charger off, current set to 0. 01 = In trickle charge mode. 10 = In fast charge mode. 11 = Reserved 11:8 CHG_TIME[3:0] 1011 Writing to his field set the charge timeout duration: 0000 = 60min 0001 = 90min 0010 = 120min 0011 = 150min |
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