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FUJITSU F2MCTM-16LX User Manual

Page 392

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CHAPTER 19 LOW VOLTAGE DETECTION/CPU OPERATING DETECTION RESET

19.3

Low Voltage/CPU Operating Detection Reset Circuit
Register

This register clears the low voltage/CPU operating detection reset flag and the counter
of CPU operating detection circuit.

Low Voltage/CPU Operating Detection Reset Control Register (LVRC)

Figure 19.3-1

Low Voltage/CPU operating Detection Reset Control Register (LVRC)

CPU operatign detection flag bit

CPUF

Read

Write

0

No overflow

Clear CPUF bit

1

Overflow

No change, No other effect

Low voltage detection flag bit

LVRF

Read

Write

0

No detect voltage falling

Clear LVRF bit

1

Detect voltage falling

No change, No other effect

CL

CPU operating detection circuit clear bit

0

Counter clear

1

No change, No other effect

Reserved

Reserved bit

This bit should write "1".

Reserved

Reserved bit

This bit should write "0".

Reserved Reserved Reserved

CL LVRF Reserved CPUF

Reserved

W

R/W

bit7

bit6 bi

t5

bit3

bit2

bit1

bit0

bit4

00111000 b

Initial value

R/W

R/W

R/W

R/W

R/W

Address

R/W:Read Write

:Initial value

006E

H