WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 252

• 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

WM8310
REGISTER
R16530
(4092h) FLL
Control 1
Register 4092h FLL Control 1
REGISTER
R16531
(4093h) FLL
Control 2
Register 4093h FLL Control 2
w
ADDRESS
ADDRESS
BIT
BIT
13:8
6:4
2:0
2
0
FLL_OUTDIV[5
FLL_CTRL_RA
FLL_FRATIO[2
FLL_FRAC
FLL_ENA
LABEL
LABEL
TE[2:0]
:0]
:0]
DEFAULT
DEFAULT
00_0000
000
000
0
0
Fractional enable
0 = Integer Mode
1 = Fractional Mode
Integer mode offers reduced power consumption.
Fractional mode offers best FLL performance, provided
also that N.K is a non-integer value.
FLL Enable
0 = Disabled
1 = Enabled
Note - this bit is reset to 0 when the OFF power state is
entered.
FOUT clock divider
000000 = Reserved
000001 = Reserved
000010 = Reserved
000011 = 4
000100 = 5
000101 = 6
…
111110 = 63
111111 = 64
(FOUT = FVCO / FLL_OUTDIV)
Frequency of the FLL control block
000 = FVCO / 1 (Recommended value)
001 = FVCO / 2
010 = FVCO / 3
011 = FVCO / 4
100 = FVCO / 5
101 = FVCO / 6
110 = FVCO / 7
111 = FVCO / 8
Recommended that this register is not changed from
default.
FVCO clock divider
000 = 1
001 = 2
010 = 4
011 = 8
1XX = 16
000 recommended for high FREF
011 recommended for low FREF
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
REFER TO
Pre-Production
252