WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 189

• Manufacturer Part Number: WM8310GEB/V
• Description: POWER MANAGEMENT SUBSYSTEM, 169BGA
• Manufacturer: Wolfson Microelectronics

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

Pre-Production
REGISTER
R16419
(4023h)
RTC Alarm
1
Register 4023h RTC Alarm 1
REGISTER
R16420
(4024h)
RTC Alarm
2
Register 4024h RTC Alarm 2
REGISTER
R16421
(4025h)
RTC Control
Register 4025h RTC Control
REGISTER
R16422
(4026h)
RTC Trim
Register 4026h RTC Trim
w
ADDRESS
ADDRESS
ADDRESS
ADDRESS
BIT
BIT
BIT
BIT
15:0
15:0
6:4
9:0
15
14
10
RTC_TRIM[9:0] 00_0000_0
RTC_ALM[15:0
RTC_ALM[15:0
RTC_PINT_FR
RTC_SYNC_B
RTC_ALM_EN
RTC_VALID
LABEL
LABEL
LABEL
LABEL
EQ[2:0]
USY
A
]
]
DEFAULT
DEFAULT
DEFAULT
DEFAULT
0000_0000
_0000_000
0000_0000
_0000_000
000
000
0
0
0
0
0
RTC Alarm time (MSW)
16 MSBs of RTC_ALM
RTC Alarm time (LSW)
16 LSBs of RTC_ALM
RTC Valid status
0 = RTC_TIME has not been set since Power On Reset
1 = RTC_TIME has been written to since Power On
Reset
RTC Busy status
0 = Normal
1 = Busy
The RTC registers should not be written to when
RTC_SYNC_BUSY = 1.
RTC Alarm Enable
0 = Disabled
1 = Enabled
RTC Periodic Interrupt timeout period
000 = Disabled
001 = 1s
010 = 2s
011 = 4s
100 = 8s
101 = 16s
110 = 32s
111 = 64s
RTC frequency trim. Value is a 10bit fixed point <4,6>
2's complement number. MSB Scaling = -8Hz.
The register indicates the error (in Hz) with respect to
the ideal 32768Hz) of the input crystal frequency.
Protected by security key.
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
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WM8310
189