ISD5216PI datasheet(43/75 Pages) WINBOND

43 / 75 page

ISD5216

Publication Release Date: Jan. 31, 2006

- 43 -

Revision B.4

A graphical representation of this operation is found below. See the caption box above for more

explanation.

7.10.4. Load Command Byte Register (Single Byte Load):

A single byte may be written to the Command Byte Register in order to power up the device, start or

stop Analog Record (if no address information is needed), or perform a Message Cueing function. The

Command Byte Register is loaded as follows:

1. Host executes I

2C START.

2. Send Slave Address with R/W bit = “0” (Write) [80h].

3. Host sends a command byte to Slave.

4. Host executes I

2C STOP.

7.10.5. Load Command Byte Register (Address Load):

For the normal addressed mode the Registers are loaded as follows:

1. Host executes I

2C START.

2. Send Slave Address with R/W bit = “0” (Write).

3. Host sends a byte to Slave - (Command Byte).

4. Host sends a byte to Slave - (High Address Byte).

5. Host sends a byte to Slave - (Low Address Byte).

6. Host executes I

2C STOP.

SLAVE ADDRESS

DATA

Command Byte

SLAVE ADDRESS

Command

DATA

High Addr. Byte

Low Addr. Byte

SLAVE ADDRESS

DATA

Status Word

High Addr. Byte

Low Addr. Byte

ISD5216PI Datasheet(PDF) 43 Page - Winbond