MCP98243 Microchip Technology Inc., MCP98243 Datasheet - Page 35

• Manufacturer Part Number: MCP98243
• Description: Memory Module Temperature Sensor W/ Eeprom For Spd
• Manufacturer: Microchip Technology Inc.

5.3
5.3.1
To write a byte in the MCP98243 EEPROM, the master
has to specify the memory location or address. Once
the address byte is transmitted correctly followed by a
word address, the word address is stored in the
EEPROM address pointer. The following byte is data
to be stored in the specified memory location.
14
FIGURE 5-14:
© 2009 Microchip Technology Inc.
shows the timing diagram.
SCL
SDA
EEPROM FEATURE
DESCRIPTION
BYTE WRITE
S
1
1
2
0
Timing Diagram for Byte Write (See Section 4.0 “Serial Communication”).
Address Byte
3
1
4
0
5
A
2
A
6
1
A
7
0
MCP98243
W
8
Figure 5-
A
C
K
1
X
2
X
Word Address
3
X
4
X
5
X
6
X
7
X
MCP98243
8
X
A
C
K
1
X
2
X
3
X
Data
4
X
MCP98243
5
X
6
X
7
X X
MCP98243
DS22153A-page 35
8
A
C
K
P