STW4810 datasheet(29/79 Pages) STMICROELECTRONICS

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Functional description

STw4810

28/78

Power control register at address 1Eh

Power control register at address 1Fh

Power control register mapping

Caution:

Only the latest value written in register at address 1E/1F can be read.

Table 19.

Power control register - General information (Address = 1Eh)

76543

210

Bit name

reg address 3 bits LSB’s

data din/dout 4 bits

Type

R/W

Bits

Name

Value

Settings

Default

[7:5]

reg address 3

bits

See

Table 21 “Address” column (LSB’s).

[4:1]

data din/

dout 4 bits

See

Table 21 control register

Read enabled

Write enabled

Table 20.

Power control register - General information (Address = 1Fh)

Bit name

Not used

reg address 2 bits

MSB’s

Type

R/W

Bits

Name

Value

Settings

Default

[9:8]

reg address 2

bits MSB’s

See

Table 21 “Address” column (MSB’s).

Table 21.

Power control register mapping

Address 1Fh

Address 1Eh

Comments

reg address

Not used

2 bits

MSB’s

3 bits

LSB’s

data din/dout

4 bits

876543

210

00h to 04h

Test purpose

05h to 0Ah

Setting

See

Table 22 to Table 27

0Bh to 1E

Test purpose

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