Регистры H616: PIO Group Withstand Voltage Mode Select Control Register

31 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 16
15 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 00

Unused

Bits 31 : 13

VCC_IO

Bit 12
R/W
0x0

VCC-IO&PH_Port&PF_Port Withstand Voltage Mode Select Control
0: Enable
1: Disable

Unused

Bits 11 : 9

VCC_PI

Bit 8
R/W
0x0

VCC-PI Withstand Voltage Mode Select Control
0: Enable
1: Disable

Unused

Bit 7

VCC_PG

Bit 6
R/W
0x0

VCC-PG Withstand Voltage Mode Select Control
0: Enable
1: Disable

Unused

Bits 5 : 3

VCC_PC

Bit 2
R/W
0x0

VCC-PC Withstand Voltage Mode Select Control
0: Enable
1: Disable

Note
For 1.8 V and 3.3 V power, the withstand function is enabled by default, the corresponding bit in 0x0344 register is set to 0.
For 2.5 V power, the withstand function is disabled, the corresponding bit in 0x0344 register is set to 1, and the withstand mode in 0x0340 register needs be set to 3.3 V.

Unused

Bits 1 : 0

Bit fields structure

typedef union pio_pow_ms_ctl { struct { unsigned unused0 : 2; unsigned vcc_pc : 1; unsigned unused1 : 3; unsigned vcc_pg : 1; unsigned unused2 : 1; unsigned vcc_pi : 1; unsigned unused3 : 3; unsigned vcc_io : 1; unsigned unused4 : 19; } b; unsigned long w; } PIO_POW_MS_CTL