WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 41
WM8310GEB/V
Manufacturer Part Number
WM8310GEB/V
Description
POWER MANAGEMENT SUBSYSTEM, 169BGA
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8310GEBV.pdf
(284 pages)
Specifications of WM8310GEB/V
Supply Voltage
7V
No. Of Step-down Dc - Dc Converters
4
No. Of Ldo Regulators
11
Digital Ic Case Style
BGA
No. Of Pins
169
No. Of Regulated Outputs
13
Operating Temperature Range
-40°C To
Rohs Compliant
Yes
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Figure 7 Control Interface 2-wire (I2C) Register Write
Figure 8 Control Interface 2-wire (I2C) Register Read
Figure 9 Single Register Write to Specified Address
w
The sequence of signals associated with a single register read operation is illustrated in Figure 8.
The Control Interface also supports other register operations, as listed above. The interface protocol
for these operations is summarised below. The terminology used in the following figures is detailed in
Table 11.
Note that, for multiple write and multiple read operations, the auto-increment option must be enabled.
This feature is enabled by default; it is described in Table 12 below.
Table 11 Control Interface Terminology
TERMINOLOGY
[White field]
[Grey field]
R/W ¯ ¯
A ¯ ¯
Sr
S
A
P
ReadNotWrite
Data flow from bus master to WM8310
Data flow from WM8310 to bus master
Not Acknowledge (SDA High)
Acknowledge (SDA Low)
DESCRIPTION
Start Condition
Repeated start
Stop Condition
0 = Write
1 = Read
PP, December 2009, Rev 3.0
WM8310
41
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