x95840 Intersil Corporation, x95840 Datasheet - Page 12

• Manufacturer Part Number: x95840
• Description: Quad Digital Controlled Potentionmeters Xdcp? ; Low Noise/low Power/i2c? Bus/256 Taps
• Manufacturer: Intersil Corporation

STOP condition) following the last bit of the last Data Byte
(See Figure 18).
The Data Bytes are from the memory location indicated by
an internal pointer. This pointer initial value is determined by
the Address Byte in the Read operation instruction, and
increments by one during transmission of each Data Byte.
After reaching the memory location 08h (8 decimal) the
Signal at SDA
Signals from the
from the
Signals
Master
Slave
S
a
t
r
t
1
0
Identification
1
R/W=0
0
Byte
with
12
0
A
C
K
Address
Byte
FIGURE 18. READ SEQUENCE
A
C
K
S
a
r
t
t
X95840
1
Identification
0
1
R/W=1
Byte
with
0
pointer “rolls over” to 00h, and the device continues to output
data for each ACK received.
The byte at address 00001000 bin (8 decimal) determines if
the Data Bytes being read are from volatile or non-volatile
memory. See “Memory Description” on page 9.
1
A
C
K
First Read Data
Byte
A
C
K
A
C
K
Last Read Data
Byte
July 5, 2006
FN8213.2
S
o
p
t