STV9211 datasheet(28/37 Pages) STMICROELECTRONICS

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I2C register description

STV9211

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Notes about I2C register description

Note: 1 For contrast & drive adjustment, code 00 (dec) and 255 (dec) are not allowed.

2 This register has to be set with the following values:

3 to set the device in soft blanking mode, it is necessary to program also Register 8, bit 6 = 1

Table 6: Preamplifier bandwidth adjustment (R13) - I2C table 5

Function

POR

value

130 MHz (

Note 2)

100 MHz (

Note 2)x

70 MHz(

Note 2)

Normal operation

Reserved

(test mode - BW DAC output connected to BLK input)

Reserved (test mode - BW DAC complementary output

connected to BLK input)

Brightness before drive

Brightness after drive

Preamplifier stand-by = OFF

Preamplifier stand-by = ON

Table 7: Cut-off range and offset selection (R14) - I2C table 6 - see

Figure 8

Function

POR

value

Infra-black range (IBR) = 1.8V

Infra-black range (IBR) = 1.3V

Infra-black offset (IB0)- Min. value = 0.4V @ IBL =0

Infra-black offset (IB0)- Typ. value = 1.3V @ IBL = 0

Infra-black offset (IB0)- Max. value = 2.2V@ IBL = 0

tR/tF

Preamplifier bandwidth register: BW

Binary

Decimal

5.5 ± 1 ns

1000

7.5 ± 1ns

0101

9.5 ± 1ns

0010

10 ns and below

0000

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