isd5100 Winbond Electronics Corp America, isd5100 Datasheet - Page 15

• Manufacturer Part Number: isd5100
• Description: Single-chip 1 To 16 Minutes Duration Voice Record/playback Devices With Digital Storage Capability
• Manufacturer: Winbond Electronics Corp America

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 do a Message Cueing function.
The Command Byte Register is loaded as follows:
1. Host executes I
2. Send Slave Address with R/W bit = “0” (Write) [80h]
3. Slave responds back with an ACK.
4. Wait for SCL to go HIGH
5. Host sends a command byte to Slave
6. Slave responds with an ACK
7. Wait for SCL to go HIGH
8. Host executes I
For the normal addressed mode the Registers are loaded as follows:
1. Host executes I
2. Send Slave Address with R/W bit = “0” (Write)
3. Slave responds back with an ACK.
4. Wait for SCL to go HIGH
5. Host sends a byte to Slave - (Command Byte)
6. Slave responds with an ACK
7. Wait for SCL to go HIGH
8. Host sends a byte to Slave - (High Address Byte)
9. Slave responds with an ACK
10. Wait for SCL to go HIGH
11. Host sends a byte to Slave - (Low Address Byte)
12. Slave responds with an ACK
13. Wait for SCL to go HIGH
14. Host executes I
S
7.3.1.2. Load Command Byte Register (Single Byte Load):
7.3.1.3. Load Command Byte Register (Address Load)
SLAVE ADDRESS
2
2
2
2
C START
C STOP
C START
C STOP
Command
W
A
S
DATA
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SLAVE ADDRESS
A
High Addr.
DATA
Publication Release Date: May 16, 2007
A
ISD5100 SERIES
W
DATA
Low Addr.
A
Command Byte
DATA
A
P
Revision 1.4
A
P