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WM8321 数据表(PDF) 112 Page - Wolfson Microelectronics plc |
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WM8321 数据表(HTML) 112 Page - Wolfson Microelectronics plc |
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112 / 253 page  WM8321 Production Data w PD, February 2012, Rev 4.0 112 ADDRESS BIT LABEL DEFAULT DESCRIPTION R16396 (400Ch) GPIO Level 11 GP12_LVL 0 GPIOn level. When GPn_FN = 0h and GPn_DIR = 0, write to this bit to set a GPIO output. Read from this bit to read GPIO input level. When GPn_POL is 0, the register contains the opposite logic level to the external pin. 10 GP11_LVL 0 9 GP10_LVL 0 8 GP9_LVL 0 7 GP8_LVL 0 6 GP7_LVL 0 5 GP6_LVL 0 4 GP5_LVL 0 3 GP4_LVL 0 2 GP3_LVL 0 1 GP2_LVL 0 0 GP1_LVL 0 Table 55 GPIO Level Register The power domain for each GPIO is controlled using the GPn_PWR_DOM registers as described in Table 56. The selected power domain for each GPIO affects the maximum input voltage that can be supported on the respective pin(s). Note that this is also applicable when GPIO10, GPIO11 or GPIO12 are used as inputs to the AUXADC (see Section 18). The input voltage at the GPIO pin must not exceed the voltage of the respective power domain. ADDRESS BIT LABEL DEFAULT DESCRIPTION R16440 (4038h) GPIO1 Control 11 GP1_PWR_DO M 0 GPIO1 Power Domain select 0 = DBVDD 1 = VPMIC (LDO12) R16441 (4039h) GPIO2 Control 11 GP2_PWR_DO M 0 GPIO2 Power Domain select 0 = DBVDD 1 = VPMIC (LDO12) R16442 (403Ah) GPIO3 Control 11 GP3_PWR_DO M 0 GPIO3 Power Domain select 0 = DBVDD 1 = VPMIC (LDO12) R16443 (403Bh) GPIO4 Control 11 GP4_PWR_DO M 0 GPIO4 Power Domain select 0 = DBVDD 1 = PVDD R16444 (403Ch) GPIO5 Control 11 GP5_PWR_DO M 0 GPIO5 Power Domain select 0 = DBVDD 1 = PVDD R16445 (403Dh) GPIO6 Control 11 GP6_PWR_DO M 0 GPIO6 Power Domain select 0 = DBVDD 1 = PVDD R16446 (403Eh) GPIO7 Control 11 GP7_PWR_DO M 0 GPIO7 Power Domain select 0 = DBVDD 1 = VPMIC (LDO12) R16447 (403Fh) GPIO8 Control 11 GP8_PWR_DO M 0 GPIO8 Power Domain select 0 = DBVDD 1 = VPMIC (LDO12) R16448 (4040h) GPIO9 Control 11 GP9_PWR_DO M 0 GPIO9 Power Domain select 0 = DBVDD 1 = VPMIC (LDO12) R16449 (4041h) GPIO10 Control 11 GP10_PWR_D OM 0 GPIO10 Power Domain select 0 = DBVDD 1 = PVDD |
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