SAP51 / SAP5S Datasheet

© 2016 Integrated Device Technology, Inc.

18

January 28, 2016

Table 3.2

SAP5 Master Calls and Related Slave Responses

Note: In Extended Address Mode, the "Select Bit" defines whether the A-Slave or B-Slave is being addressed. Depending on the type of master call, the I3 bit carries the

select bit information (Sel) or the inverted select bit information (

Sel����)inExtendedAddressMode.TheExtendedAddressModecannotbeactivatediftheEEPROMflag

Lock_EE_PRG is at the logic LOW level. Refer to section 4.3 for programming the Lock_EE_PRG flag.

Master Request

Slave Response

Instruction

Name

ST

CB

A4

A3

A2

A1

A0

I4

I3

I2

I1

I0

PB

EB

SB

I3

I2

I1

I0

PB

EB

Data_Exchange

DEXG

0

0

A4

A3

A2

A1

A0

0

D3

Sel���� D2 D1 D0 PB 1 0 D3 D2 D1 D0 PB 1

Write_Parameter

WPAR

0

0

A4

A3

A2

A1

A0

1

P3

Sel���� P2 P1 P0 PB 1 0 P3 P2 P1 P0 PB 1

Address_Assignment

ADRA

0

0

0

0

0

0

0

A4

A3

A2

A1

A0

PB

1

0

0

1

1

0

0

1

Write_Extended_ID-Code_1

WID1

0

1

0

0

0

0

0

0

ID3

ID2

ID1

ID0

PB

1

0

0

0

0

0

0

1

Delete_Address

DELA

0

1

A4

A3

A2

A1

A0

0

0

Sel 0 0 0 PB 1 0 0 0 0 0 0 1

Reset_Slave

RES

0

1

A4

A3

A2

A1

A0

1

1

Sel���� 1 0 0 PB 1 0 0 1 1 0 0 1

Read_I/O-Configuration

RDIO

0

1

A4

A3

A2

A1

A0

1

0

Sel 0 0 0 PB 1 0 IO3 IO2 IO1 IO0 PB 1

Read_ID-Code

RDID

0

1

A4

A3

A2

A1

A0

1

0

Sel 0 0 1 PB 1 0 ID3 ID2 ID1 ID0 PB 1

Read_Extended_ID-Code_1

RID1

0

1

A4

A3

A2

A1

A0

1

0

Sel 0 1 0 PB 1 0 ID3 ID2 ID1 ID0 PB 1

Read_Extended_ID-Code_2

RID2

0

1

A4

A3

A2

A1

A0

1

0

Sel 0 1 1 PB 1 0 ID3 ID2 ID1 ID0 PB 1

Read_Status

RDST

0

1

A4

A3

A2

A1

A0

1

1

Sel���� 1 1 0 PB 1 0 S3 S2 S1 S0 PB 1

Broadcast (Reset)

BR01

0

1

1

1

1

1

1

1

0

1

0

1

1

1

— no slave response —