R8CSLASH2G datasheet(59/344 Pages) RENESAS

59 / 344 page

R8C/2G Group

6. Voltage Detection Circuit

Rev.1.00

Apr 04, 2008

Page 39 of 318

REJ09B0387-0100

Figure 6.9

VCAC Register

Figure 6.10

PINSR4 Register

Voltage Monitor Circuit Edge Select Register

Symbol

Address

After Reset

VCAC

003Dh

00h

Bit Symbol

Bit Name

Function

NOTES:

b7 b6 b5 b4

b3 b2 b1

—

(b0)

—

VCAC1

Nothing is assigned. If necessary, set to 0.

When read, the content is 0.

Voltage monitor 1 circuit edge

select bit(1)

0 : One edge

1 : Both edges

VCAC2

Voltage monitor 2 circuit edge

select bit(2)

0 : One edge

1 : Both edges

The VW2C7 bit in the VW2C register is enabled w hen the VCAC2 bit is set to 0 (one edge). Set the VW2C7 bit after

setting the VCAC2 bit to 0.

The VW1C7 bit in the VW1C register is enabled w hen the VCAC1 bit is set to 0 (one edge). Set the VW1C7 bit after

setting the VCAC1 bit to 0.

—

(b7-b3)

—

Nothing is assigned. If necessary, set to 0.

When read, the content is 0.

Pin Select Register 4

Symbol

Address

After Reset

PINSR4

02FBh

00h

Bit Symbol

Bit Name

Function

KI0

____

pin select bit

KI1

____

pin select bit

TREO pin select 2 bit

0 : Voltage monitor 1, voltage monitor 2

1 : Comparator 1, comparator 2

b3 b2 b1

b7 b6 b5 b4

COMPSEL

TRFOSEL

000

TRFO11 pin select bit

0 : P3_4

1 : P3_7

Voltage monitor/comparator

select bit

KI0SEL

0 : P1_0

1 : P0_7

—

(b6-b4)

TREOSEL2

Set to 0.

Reserved bits

KI1SEL

0 : P1_1

1 : P6_6

0 : TREOSEL bit in PINSR3 register enabled

1 : P6_5

R8C/2G 数据表(PDF) 59 Page - Renesas Technology Corp

R8C/2G 数据表(HTML) 59 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载