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TSZ02201-0G1G0BK00210-1-2

© 2013 ROHM Co., Ltd. All rights reserved.

4.Apr.2016 Rev.004

www.rohm.com

TSZ22111・15・001

BD8255MUV-M

◆ Control register

1. Input / Output Sequence

When writing data to the control register, enter the register address in the first 7 bits of the SDI input, then set the 1bit R/W

to 0 and enter the data of each setting in the last 8 bits. SDO is Hi-Z when R/W=0.

When reading data from the control register, enter the register address in the first 7 bits of the SDI input, then set the 1 bit

R/W to 1. The last 8 bits are ignored. When R/W=1, 8-bit data of specified address is output to the SDO.

SLV

SCLK

SDO

Hi-Z

SDI

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

R/W

A6

A5

Figure 7. Control Register 8 bit Write Sequence (A6, A5=1,1, R/W= 0)

SLV

SCLK

Hi-Z

D6

D5

D4

D3

D2

D1

D0

D7

SDO

SDI

A4

A3

A2

A1

A0

R/W

A6

A5

Figure 8. Control Register 8 bit Read Sequence (A6, A5=1,1, R/W= 1)

2. Address Map

Control Register Address Map

REG

NAME

R/W

D7

D6

D5

D4

D3

D2

D1

D0

70h

OUTPUT

_EN1

R/W

N/A

FC

_OUTEN

TK

_OUTEN

SL

_OUTEN

N/A

SP

_OUTEN

LD

_OUTEN

N/A

71h

-

-

-

-

-

-

-

-

-

-

72h

POWER

_SAVE1

R/W

N/A

FC

_PSB

TK

_PSB

SL

_PSB

N/A

SP

_PSB

LD

_PSB

N/A

73h

-

-

-

-

-

-

-

-

-

-

74h

DRIVER

_SET

R/W

N/A

SP

_BRAKE

GAIN

_SELFC

GAIN

_SELTK

N/A

LD

_BRAKE

GAIN

_SELLD

N/A

75h

RESET

W

RST

_DAC

RST

_CTLREG

RST

_PKTERR

RST

_PKTSTOP

N/A

RST

_SHORT

N/A

N/A

76h

PKT

_TIME

R/W

N/A

N/A

PKTSTOP

_TIME1

PKTSTOP

_TIME0

N/A

N/A

N/A

N/A

77h

STATUS

_FLAG1

R

ALL

_ERR

N/A

N/A

SHORT

_LD

TSD

PKT

_ERR

PKT

_STOP

UVLO

_PREVCC

78h

TEST0

R/W

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

79h

TEST1

R/W

Reserved

Reserved

Reserved

Reserved

Reserved

N/A

N/A

N/A

7Ah

TEST2

R/W

N/A

N/A

Reserved

N/A

Reserved

Reserved

Reserved

N/A

7Bh

RST

_CHECK

R/W

RST

_CHECKA

RST

_CHECKB

N/A

N/A

N/A

N/A

N/A

N/A

7Ch

-

-

-

-

-

-

-

-

-

-

7Dh

-

-

-

-

-

-

-

-

-

-

7Eh

-

-

-

-

-

-

-

-

-

-

7Fh

-

-

-

-

-

-

-

-

-

-

Write access to "Reserved" bits should be made by "0" input.

Read access to "N/A" bits will return "0".