AS0260CSSC28SUD20 datasheet(67/83 Pages) ONSEMI

67 / 83 page

AS0260 DS Rev. G Pub. 5/15 EN

©Semiconductor Components Industries, LLC, 2015.

AS0260: 1/6-Inch 1080P High-Definition (HD) System-On-A-Chip (SOC) Digi-

tal Image Sensor

Single Read from Random Location

This sequence (see Figure 36) starts with a dummy write to the 16-bit address that is to

be used for the read. The master terminates the write by generating a restart condition.

The master then sends the 8-bit read slave address/data direction byte and clocks out

one byte of register data. The master terminates the read by generating a no-acknowl-

edge bit followed by a stop condition. Figure 36 shows how the internal register address

maintained by the AS0260 is loaded and incremented as the sequence proceeds.

Figure 36:

Single Read from Random Location

Single Read from Current Location

This sequence (Figure 37) performs a read using the current value of the AS0260 internal

followed by a stop condition. The figure shows two independent read sequences.

Figure 37:

Single Read from Current Location

S = start condition

P = stop condition

Sr = restart condition

A = acknowledge

A = no-acknowledge

slave to master

master to slave

Slave Address

A Reg Address[15:8]

Reg Address[7:0]

Slave Address

Read Data

Previous Reg Address, N

Reg Address, M

M+1

Slave Address

Read Data

[15:8]

Slave Address

Read Data

[15:0]

Previous Reg Address, N

Reg Address, N+1

N+2

Read Data

[7:0]

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