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WM8352 Datasheet(PDF) 116 Page - Wolfson Microelectronics plc |
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WM8352 Datasheet(HTML) 116 Page - Wolfson Microelectronics plc |
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116 / 336 page  WM8352 Production Data w PD, February 2011, Rev 4.4 116 REGISTER 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Select /RST duration R3 (03h) RSTB_TO Unlock protected registers R219 (DBh) 0013h Alternate function and input/output selection for GPIO pins R140 (8Ch) GP3_FN GP2_FN GP1_FN GP0_FN R141 (8Dh) GP7_FN GP6_FN GP5_FN GP4_FN R142 (8Eh) GP11_FN GP10_FN GP9_FN GP8_FN R143 (8Fh) GP12_FN R128 (80h) GPn_DB (n = 0 to 12) R129 (81h) GPn_PU (n = 0 to 12) R130 (82h) GPn_PD (n = 0 to 12) R134 (86h) GPn_DIR (n = 0 to 12) R135 (87h) GPn_CFG (n = 0 to 12) Disable battery charger (only if battery type is not compatible with WM8352 charger) R168 (A8h) 0 Re-lock protected registers R219 (DBh) FFFFh Configure supply generation R180 (B4h) DC1_VSEL[6:0] R181(B5h) DC1_ENSLOT[3:0] R183 (B7h) DC2_ENSLOT[3:0] R186 (BAh) DC3_VSEL[6:0] R187 (BBh) DC3_ENSLOT 3:0] R189 (BDh) DC4_VSEL[6:0] R190 (BEh) DC4_ENSLOT[3:0] R193 (C1h) DC5_ENSLOT[3:0] R195 (C3h) DC6_VSEL[6:0] R196 (C4h) DC6_ENSLOT[3:0] R199 (C7h) LS_ENSLOT[3:0] R200 (C8h) LDO1_VSEL[4:0] R201 (C9h) LDO1_ENSLOT[3:0] R203 (CAh) LDO2_VSEL[4:0] R204 (CBh) LDO2_ENSLOT[3:0] R206 (CEh) LDO3_VSEL[4:0] R207 (CFh) LDO3_ENSLOT[3:0] R209 (D1h) LDO4_VSEL[4:0] R210 (D2h) LDO4_ENSLOT[3:0] Proceed to startup and hand over to host processor R6 (06h) 0 DEV_ADD R 1 Table 64 Suggested Sequence of Register Writes for WM8352 Configuration in Development Mode Note that configuration only includes registers that are required for starting up correctly. All other register settings should be loaded after the WM8352 has started up. Most of these control fields are described here within Section 14. See Section 11.6 for details of Register Locking. See Section 20 for details of the GPIO configuration fields. See Section 17.7 for details of the Battery Charger configuration. When using the /RST signal to trigger configuration, writing to the _ENSLOT and RSTB_TO fields can be omitted (the reset and power-up sequence has already taken place, so the write would have no effect). However, additional writes to R13 or R176 should be added to enable the DC-DC converters and LDO regulators one by one. |
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