MB91155 datasheet(69/105 Pages) FUJITSU

69 / 105 page

MB91F155A/MB91155/MB91154

15. I2C Interface

The I2C interface is a serial I/O port that supports the Inter IC BUS and operates as a master/slave device on

the I2C bus.

• Features of the I2C Interface

Contains one I2C interface channel.

The interface has the following features :

• Master/slave send and receive

• Arbitration function

• Clock synchronization function

• Slave address/general call address detection function

• Transfer direction detection function

• Repeated generation and detection of start conditions

• Bus error detection function

• Register List

• Bus control register (IBCR)

• Bus status register (IBSR)

• Address register (IADR)

• Clock control register (ICCR)

• Data register (IDAR)

R/W : Read/Write enabled, R : Read only,

 : Not in use, X : Undefined

Address

Initial value

0000-0120H

00000000B

Address

Initial value

0000-0121H

00000000B

Address

Initial value

0000-0122H

- XXXXXXXB

Address

Initial value

0000-0123H

- - 0XXXXXB

Address

Initial value

0000-0125H

XXXXXXXXB

R/W

bit 15

bit 14

bit 13

bit 12

bit 11

bit 10

bit 9

bit 8

BER

BEIE

SCC

MSS

ACK

GCAA

INTE

INT

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

RSC

LRB

AAS

GCA

FBT



R/W

bit 15

bit 14

bit 13

bit 12

bit 11

bit 10

bit 9

bit 8





R/W

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0



CS4

CS3

CS2

CS1

CS0

R/W

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

MB91155 Datasheet(PDF) 69 Page - fujitsu semiconductor

MB91155 Datasheet(HTML) 69 Page - fujitsu semiconductor

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

Datasheet Download

Link URL