WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 99
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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16.3 CURRENT SINK INTERRUPTS
w
Current Sink 2
Table 50 Configuring On/Off Ramp Timing for ISINK1 and ISINK2
The Current Sinks are associated with two Interrupt event flags, which indicate if the Current Sinks
are unable to sink the demanded current (eg. if the power source is too low or if the load is open
circuit). Each of these secondary interrupts triggers a primary Current Sink Interrupt, CS_INT (see
Section 23). This can be masked by setting the mask bit(s) as described in Table 51.
R16402
(4012h)
Interrupt Status
2
R16410
(401Ah)
Interrupt Status
2 Mask
Table 51 Current Sink Interrupts
ADDRESS
ADDRESS
BIT
9:8
BIT
7
6
7
6
CS2_ON_RAM
P
CS2_EINT
CS1_EINT
IM_CS2_EINT
IM_CS1_EINT
LABEL
LABEL
DEFAULT
01
Current Sink 2 interrupt
(Rising Edge triggered)
Note: Cleared when a ‘1’ is written.
Current Sink 1 interrupt
(Rising Edge triggered)
Note: Cleared when a ‘1’ is written.
Interrupt mask.
0 = Do not mask interrupt.
1 = Mask interrupt.
Default value is 1 (masked)
Interrupt mask.
0 = Do not mask interrupt.
1 = Mask interrupt.
Default value is 1 (masked)
01 = 1 step every 4ms (220ms)
10 = 1 step every 8ms (440ms)
11 = 1 step every 16ms (880ms)
The time quoted in brackets is valid for
the maximum change in current drive
setting. The actual time scales
according to the extent of the change in
current drive setting.
ISINK2 Switch-On ramp
00 = instant (no ramp)
01 = 1 step every 4ms (220ms)
10 = 1 step every 8ms (440ms)
11 = 1 step every 16ms (880ms)
The time quoted in brackets is valid for
the maximum change in current drive
setting. The actual time scales
according to the extent of the change in
current drive setting.
PP, December 2009, Rev 3.0
DESCRIPTION
DESCRIPTION
WM8310
99
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