AD8152

Data Sheet

Rev. B | Page 4 of 25

TIMING SPECIFICATIONS

Table 2 to Table 11 list the timing specifications in detail.

Table 2. Bit Descriptions of the Register Address and Register Data Buses

A6

A5 (MSB)

A4

A3

A2

A1

A0 (LSB)

D5 (MSB)

D4

D3

D2

D1

D0 (LSB)

Connection/Current Bit

Output address pins

Data pins

Table 3. A6 Bit Description

A6 Setting

Description

0

Connection latches

1

Output current level

Table 4. Connection Data and Address Programming Examples

Output Address Pins

Data Pins (Used to Select Inputs)

Comments1

A6

A5 (MSB)

A4

A3

A2

A1

A0 (LSB)

D5 (MSB)

D4

D3

D2

D1

D0 (LSB)

0

0

0

0

0

0

0

0

0

0

0

0

0

Program IN00x to input OUT00x

0

0

0

0

0

0

0

1

0

0

0

0

1

Program IN33x to input OUT00x

0

1

0

0

0

0

1

0

1

1

1

1

1

Program IN31x to OUT33x

0

1

1

1

1

1

1

0

0

0

0

0

0

Broadcast IN00x to all outputs

0

0

0

0

0

0

0

1

1

1

1

1

1

Disable OUT00x

0

1

0

0

0

0

1

1

1

1

1

1

1

Disable OUT33x

0

1

1

1

1

1

1

1

1

1

1

1

1

Disable all outputs (broadcast)

1

Where x is either P or N, the positive or negative differential signals for the input and output ports.

Table 5. Output Current Level Data and Address Programming Examples1

Output Address Pins

Data Pins (Used to Select Inputs)

Comments

A6

A5 (MSB)

A4

A3

A2

A1

A0 (LSB)

D5 (MSB)

D4

D3

D2

D1

D0 (LSB)

1

0

0

0

0

0

0

N/A

N/A

0

0

0

0

Program OUT00x to current—

Decimal Code 00 (2 mA)

1

0

0

0

0

0

0

N/A

N/A

1

1

1

1

Program OUT00x to current—

Decimal Code 15 (32 mA)

1

1

0

0

0

0

1

N/A

N/A

0

1

1

1

Program OUT33x to current—

Decimal Code 07 (16 mA)

1

1

1

1

1

1

1

N/A

N/A

1

0

0

0

Broadcast current—Decimal Code 08

to all outputs (18 mA)

1

N/A means don’t care.

Table 6. Basic Control Strobe Function1

RESET

RS

WE

RE

UPD

Function

0

N/A

N/A

N/A

N/A

Global reset. Disables all outputs and resets all output current to Decimal Code 0111 (16 mA).

1

1

N/A

N/A

N/A

Disable all control signals. Signal matrix/currents remain the same. D5 to D0 are high impedance.

1

0

0

1

N/A

Write enable. Write D5 to D0 data into the first rank register addressed by A6 to A0.

1

0

N/A

0

N/A

Single-output readback. Second rank register data for output A6 to A0 appears on D5 to D0.

1

0

N/A

N/A

0

Global update. Copy all first rank data into second rank registers.

1

0

0

1

0

Transparent write and update. D5 to D0 immediately control programming. Use RE as the gating signal.

1

N/A means don’t care.