R5F2L3ACBNFP datasheet(101/848 Pages) RENESAS

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6. Voltage Detection Circuit

REJ09B0441-0010 Rev.0.10

Jul 30, 2008

Page 65 of 809

Under development Preliminary specification

Specifications in this manual are tentative and subject to change.

R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,

R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group

6.2.2

Voltage Monitor Circuit Edge Select Register (VCAC)

Notes:

1. When the VCA1 bit is set to 0 (one edge), the VW1C7 bit in the VW1C register is enabled. Set the VW1C7 bit

after setting the VCAC1 bit to 0.

2. When the VCA2 bit is set to 0 (one edge), the VW2C7 bit in the VW2C register is enabled. Set the VW2C7 bit

after setting the VCAC2 bit to 0.

6.2.3

Voltage Detect Register (VCA1)

Note:

1. When the VCA27 bit in the VCA2 register is set to 1 (voltage detection 2 circuit enabled), the VCA13 bit is

enabled.

When the VCA27 bit in the VCA2 register is set to 0 (voltage detection 2 circuit disabled), the VCA13 bit is set to

1 (VCC

≥ Vdet2).

Address 0031h

Bit

b7b6b5

b4b3b2

b1b0

Symbol

—

VCAC2

VCAC1

—

After Reset

000

Bit

Symbol

Bit Name

Function

R/W

—

Nothing is assigned. If necessary, set to 0. When read, the content is 0.

—

VCAC1

Voltage monitor 1 circuit edge select bit (1) 0: One edge

1: Both edges

R/W

VCAC2

Voltage monitor 2 circuit edge select bit (2) 0: One edge

1: Both edges

R/W

—

Nothing is assigned. If necessary, set to 0. When read, the content is 0.

—

Address 0033h

Bit

b7b6b5

b4b3b2

b1b0

Symbol

——

VCA13

———

After Reset

000

010

Bit

Symbol

Bit Name

Function

R/W

—

Reserved bits

Set to 0.

R/W

—

VCA13

Voltage detection 2 signal monitor flag (1) 0: VCC < Vdet2

1: VCC

≥ Vdet2

or voltage detection 2 circuit disabled

—

Reserved bits

Set to 0.

R/W

—

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