ROHM BU1574GUW Technical data

AIE Adaptive Image Enhancer Series

Real Time
Video Processor IC

BU1574GUW

●Description

BU1574GUW is AIE : Adaptive Image Enhancer (image processing technology by ROHM’s hardware).

●Features

1) Compatible with image data from QCIF size (176  144) up to WVGA+ size (864  480).

2) Compatible with I/O data formats of ITU-R BT.656-4 or YCbCr with synchronizing signals.

3) Multiple operation modes: Image Enhance, Through and Sleep.

4) Registers can be set up through the 2-wire serial interface (I

5) PWM output for image adjustment LCD backlight control.

6) Built-in edge-enhancement and gamma filters.

●Applications

Car camera, Car display, Car navigation system, Mobile phone, and portable DVD etc.

●Absolute maximum ratings

Parameter Symbol Rating Unit

Power supply voltage 1 VDDIO

Power supply voltage 2 VDD

Input voltage VIN

Storage temperature range Tstg

Power dissipation PD 310*1,570*2 mW

*1 IC only. In the case exceeding 25 °C, 3.1 mW should be reduced per 1 °C.
*2 When mounted on a glass epoxy board of 70 x 70 x 1.6 mm. If exceeding 25 °C, 5.7 mW should be reduced per 1 °C.
* Has not been designed to withstand radiation.
* Operation is not guaranteed.

●Operating conditions

Parameter Symbol Rating Unit

Power supply voltage 1 (IO) VDDIO 2.70～3.60(Typ:3.00) V

Power supply voltage 2 (CORE) VDD 1.40～1.60(Typ:1.50) V

Input voltage range VIN-VDDIO 0～VDDIO V

Operating temperature range Topr -40～+85 ℃

* Supply the power source in order of VDD  VDDIO.

2

C).

-0.3～+4.2

-0.3～+2.1

-0.3～VDDIO+0.3

-40～+125 ℃

No.09060EAT04

V

V

V

www.rohm.com

© 2009 ROHM Co., Ltd. All rights reserved.

1/12

2009.06 - Rev.A

BU1574GUW

●Electrical characteristics

Parameter Symbol

MIN TYP MAX

Limits

Unit Conditions

Input frequency fIN - - 36.0 MHz CAMCKI (DUTY45%～55%)

Technical Note

Operating current
consumption

Static current consumption IDDst - - 30 uA

IDD1 - 24 - mA At Enhance mode setting (36 MHz).

At Sleep mode setting input terminal= GND
setting

Input "H" current IIH -10 - 10 uA VIH=VDDIO

Input "L" current IIL -10 - 10 uA VIL=GND

Input "H" voltage 1 VIH1

VDDIO

x0.8

-

Input "L" voltage 1 VIL1 -0.3 -

Input "H" voltage 2 VIH2

VDDIO

x0.85

-

Input "L" voltage 2 VIL2 -0.3 -

Hysteresis voltage width Vhys - 0.7 - V

Output "H" voltage VOH

VDDIO

-0.4

- VDDIO V

Output "L" voltage VOL 0.0 - 0.4 V

(Unless otherwise specified; VDD = 1.50 V, VDDIO = 3.00 V, GND = 0.0 V, Ta = 25 ℃, fIN = 36.0 MHz)

VDDIO

+0.3

VDDIO

x0.2

VDDIO

+0.3

VDDIO

x0.15

Normal input

V

(including the input mode of I/O terminal)
Normal input

V

(including the input mode of I/O terminal)
Hysteresis input

V

(RESETB, CAMCKI, SDA, SDC, I2CDEV0)
Hysteresis input

V

(RESETB, CAMCKI, SDA, SDC, I2CDEV0)
Hysteresis input

(RESETB, CAMCKI, SDA, SDC, I2CDEV0)
IOH = -1.0 mA (DC)

(including the output mode of I/O terminal)
IOL = 1.0 mA (DC)

(including the output mode of I/O terminal)

●Terminal Layout

H

17

RESERVEI2

18

RESERVEI3 22RESERVEI724RESERVEI927VDDIO

29

GND

G

15

RESERVEI0

16

RESERVEI1 20RESERVEI521RESERVEI6

25

RESERVEI10

30

VDD

F

13

CAMDI6

14

CAMDI7 19RESERVEI423RESERVEI8

26

RESERVEI1135RESERVEO1136RESERVEO10

E

11

CAMDI49 CAMDI2 10CAMDI312CAMDI528CAMCKI

39

RESERVEO737RESERVEO9

D

8

CAMDI1

5

SDC 7CAMDI060RESETB

44

RESERVEO242RESERVEO441RESERVEO5

C

6

I2CDEV0

4

SDA

3

CAMHSI58CAMHSO55CAMDO051CAMDO4

B

64

VDD 62CAMCKO57RESERVEO1253CAMDO252CAMDO348CAMDO7

A

1

CAMVSI

63

GND

61

VDDIO 59CAMVSO56I2CDEV6B54CAMDO150CAMDO5

1 2 3 4 5 6 7 8

Fig.1 Terminal Layout (Bottom View)

31

MSEL0

32

MSEL1

46

RESERVEO0

33

MSEL2

34

PWMO

38

RESERVEO8

40

RESERVEO6

43

RESERVEO3

45

RESERVEO1

47

GND

49

CAMDO6

www.rohm.com

© 2009 ROHM Co., Ltd. All rights reserved.

2/12

2009.06 - Rev.A

BU1574GUW

Technical Note

●Terminal functions

PIN No. Pin Name In/Out Active Level Init Descriptions In/Output type

1 CAMVSI In * - Vertical timing input C*1

2 N.C. *2 - - - - -

3 CAMHSI In * - Horizontal timing input C*1

4 SDA In/Out DATA In In/Output serial data F

5 SDC In CLK - In/Output serial clock D*1

6 I2CDEV0 In * - I2C device address setting D*1

7 CAMDI0 In DATA - Data input: bit 0 G*1

8 CAMDI1 In DATA - Data input: bit 1 G*1

9 CAMDI2 In DATA - Data input: bit 2 G*1

10 CAMDI3 In DATA - Data input: bit 3 G*1

11 CAMDI4 In DATA - Data input: bit 4 G*1

12 CAMDI5 In DATA - Data input: bit 5 G*1

13 CAMDI6 In DATA - Data input: bit 6 G*1

14 CAMDI7 In DATA - Data input: bit 7 G*1

15 RESERVEI0 *3 In * - RESERVE C*1

16 RESERVEI1 *3 In * - RESERVE C*1

17 RESERVEI2 *3 In * - RESERVE C*1

18 RESERVEI3 *3 In * - RESERVE C*1

19 RESERVEI4 *3 In * - RESERVE C*1

20 RESERVEI5 *3 In * - RESERVE C*1

21 RESERVEI6 *3 In * - RESERVE C*1

22 RESERVEI7 *3 In * - RESERVE C*1

23 RESERVEI8 *3 In * - RESERVE C*1

24 RESERVEI9 *3 In * - RESERVE C*1

25 RESERVEI10 *3 In * - RESERVE C*1

26 RESERVEI11 *3 In * - RESERVE C*1

27 VDDIO - PWR - DIGITAL IO power source -

28 CAMCKI In CLK - Clock input D*1

29 GND - GND - Common GROUND -

30 VDD - PWR - CORE power source -

31 MSEL0 *3 In * - Mode select 0 A

32 MSEL1 *3 In * - Mode select 1 A

*Change by setup by the register is possible for the "*" display in the column of an Active level. Moreover, Init is a pin state under reset.
*1 : It suspends during reset (initial state)
*2 : Please connect with GND
*3 : Please connect with GND.

www.rohm.com

© 2009 ROHM Co., Ltd. All rights reserved.

3/12

2009.06 - Rev.A

BU1574GUW

Technical Note

PIN No. Pin Name In/Out Active Level Init Descriptions In/Output type

33 MSEL2 *4 In * - Mode select 2 A

34 PWMO Out * Low PWM output for LCD backlight E

35 RESERVEO11 *5 Out * Low RESERVE E

36 RESERVEO10 *5 Out * Low RESERVE E

37 RESERVEO9 *5 Out * Low RESERVE E

38 RESERVEO8 *5 Out * Low RESERVE E

39 RESERVEO7 *5 Out * Low RESERVE E

40 RESERVEO6 *5 Out * Low RESERVE E

41 RESERVEO5 *5 Out * Low RESERVE E

42 RESERVEO4 *5 Out * Low RESERVE E

43 RESERVEO3 *5 Out * Low RESERVE E

44 RESERVEO2 *5 Out * Low RESERVE E

45 RESERVEO1 *5 Out * Low RESERVE E

46 RESERVEO0 *5 Out * Low RESERVE E

47 GND - GND - Common GROUND -

48 CAMDO7 Out DATA Low Data output: bit 7 E

49 CAMDO6 Out DATA Low Data output: bit 6 E

50 CAMDO5 Out DATA Low Data output: bit 5 E

51 CAMDO4 Out DATA Low Data output: bit 4 E

52 CAMDO3 Out DATA Low Data output: bit 3 E

53 CAMDO2 Out DATA Low Data output: bit 2 E

54 CAMDO1 Out DATA Low Data output: bit 1 E

55 CAMDO0 Out DATA Low Data output: bit 0 E

56 I2CDEV6B *3 In * - RESERVE A

57 RESERVEO12 *5 Out * High RESERVE E

58 CAMHSO Out * Low Horizontal timing output signal E

59 CAMVSO Out * Low Vertical timing output signal E

60 RESETB In Low - System reset signal B

61 VDDIO - PWR - DIGITAL IO power source -

62 CAMCKO Out CLK Low Clock output E

63 GND - GND - Common GROUND -

64 VDD - PWR - CORE power source -

*Change by setup by the register is possible for the "*" display in the column of an Active level. Moreover, Init is a pin state under reset.
*3 : Please connect with GND
*4 : Please connect with VDDIO
*5 : Leave OPEN

www.rohm.com

© 2009 ROHM Co., Ltd. All rights reserved.

4/12

2009.06 - Rev.A