CHAPTER 7-3: VBAT Domain(B)
336 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
7. Registers
This section explains the register list of the VBAT Domain unit.
Table 7-1 shows the registers of the VBAT Domain unit.
Table 7-1 Registers of VBAT Domain unit.
Port Function Set Register
Port I/O Direction Set Register
Port Output Data Register
Port Pseudo-Open Drain Set Register
The registers and buffers which exist in always on domain in Table 7-1 Registers of VBAT Domain unit.,
except VBDIR, VDET and EWKUP, are cleared by a system reset or RTC reset. Therefore, the save
operation must be performed after the value is set again or the recall operation is performed.
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