ZAMC4100 datasheet(37/156 Pages) RENESAS

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ZAMC4100 Datasheet

January 26, 2016

Table 3.1

RSTSTAT Register Bits Mapping

Name

RSTSTAT

Bit No

Bit name

Reset

Access

R/Wc

Address

0x00

R/Wc = Read/Write ‘1’ to clear; U = Unimplemented, read as ‘0.’

Table 3.2

RSTSTAT Register Bits Description

Bit

Description

OSCLEIF: Low frequency oscillator (OSCL) error interrupt flag.

1 = The 125kHz clock has stopped due to OSCL failure.

0 = The OSCL is operating and the 125kHz clock is present.

CPVEIF: Charge pump voltage error interrupt flag.

1 = The charge pump voltage is out of range during driver operation or in the act of driver enabling. If this event

occurs, all drivers are automatically disabled.

0 = Charge pump voltage is in range.

OVIF: Overvoltage interrupt flag.

1 = Overvoltage event occurred. If OVDP=1, all drivers are automatically disabled (see Table 3.5).

0 = Overvoltage event did not occur.

UVIF: Under-voltage interrupt flag.

1 = Under-voltage event occurred. If UVDP=1, all drivers are automatically disabled (see Table 3.5).

0 = Under-voltage event did not occur.

OVTIF: Over-temperature interrupt flag

1 = Over-temperature event occurred, and all drivers are disabled.

0 = Over-temperature event did not occur.

WDTSYSF: Watchdog timer system reset flag.

1 = The MCU has failed several times in clearing the WDT timer and system reset was generated.

0 = There is no system reset by WDT.

WDTMCUF: Watchdog timer MCU reset flag.

1 = MCU reset was caused by the WDT.

0 = There is no MCU reset by WDT.

PORF: Power-on-reset flag.

1 = System reset was caused by the POR block.

0 = There is no system reset by the POR block.

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