June 2005
ASM2I2314ANZ
rev 0.4
IIC Serial Interface Information
The information in this section assumes familiarity with IIC programming.
How to program ASM2I2314ANZ through IIC:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Master (host) sends a start bit.
Master (host) sends the write address D3(H).
ASM2I2314ANZ device will acknowledge.
Master (host) sends the Command Byte.
ASM2I2314ANZ device will acknowledge the Command Byte.
Master (host) sends a Byte count
ASM2I2314ANZ device will acknowledge the Byte count.
Master (host) sends the Byte 0
ASM2I2314ANZ device will acknowledge Byte 0
Master (host) sends the Byte 1
ASM2I2314ANZ device will acknowledge Byte 1
Master (host) sends the Byte 2
ASM2I2314ANZ device will acknowledge Byte 2
Master (host) sends a Stop bit.
ASM22314ANZ
Controller (Host)
(slave/receiver)
Start Bit
Slave Address D3(H)
ACK
Command Byte
ACK
Byte count
ACK
Byte 0
ACK
Byte 1
ACK
Byte 2
ACK
Stop Bit
14 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
10 of 13
Notice: The information in this document is subject to change without notice.
PULSECORE [ PulseCore Semiconductor ]
