R8C35A datasheet(73/766 Pages) RENESAS

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R8C/35A Group

6. Voltage Detection Circuit

REJ09B0407-0010 Rev.0.10

Jan 16, 2008

Page 42 of 728

Under development Preliminary specification

Specifications in this manual are tentative and subject to change

6.2

Registers

6.2.1

Voltage Monitor Circuit/Comparator A Control Register (CMPA)

Address 0030h

Bit

b7b6b5b4

b3b2

Symbol COMPSEL

—

IRQ2SEL

IRQ1SEL

CM2OE

CM1OE

CM2POR

CM1POR

After Reset

000000

Bit

Symbol

Bit Name

Function

R/W

CM1POR

LVCOUT1 output polarity

select bit

0: Non-inverted comparator A1 comparison result is

output to LVCOUT1.

1: Inverted comparator A1 comparison result is

output to LVCOUT1.

R/W

CM2POR

LVCOUT2 output polarity

select bit

0: Non-inverted Comparator A2 comparison result is

output to LVCOUT2.

1: Inverted comparator A2 comparison result is

output to LVCOUT2.

R/W

CM1OE

LVCOUT1 output enable bit

0: Output disabled

1: Output enabled

R/W

CM2OE

LVCOUT2 output enable bit

0: Output disabled

1: Output enabled

R/W

IRQ1SEL

Voltage monitor 1/comparator A1

interrupt type select bit

0: Non-maskable interrupt

1: Maskable interrupt

R/W

IRQ2SEL

Voltage monitor 2/comparator A2

interrupt type select bit

0: Non-maskable interrupt

1: Maskable interrupt

R/W

—

Reserved bit

Set to 0.

R/W

COMPSEL Voltage monitor/comparator A

interrupt type selection enable bit

0: Bits IRQ1SEL and IRQ2SEL disabled

1: Bits IRQ1SEL and IRQ2SEL enabled

R/W

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