WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 219

• 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
Register 4055h LDO UV Status
REGISTER
R16470
(4056h) DC1
Control 1
Register 4056h DC1 Control 1
w
ADDRESS
ADDRESS
15:14
BIT
BIT
9:8
5:4
1:0
12
5
4
3
2
1
0
7
DC1_FREQ[1:0
DC1_RATE[1:0
DC1_CAP[1:0]
DC1_SOFT_S
LDO6_UV_ST
LDO5_UV_ST
LDO4_UV_ST
LDO3_UV_ST
LDO2_UV_ST
LDO1_UV_ST
DC1_PHASE
TART[1:0]
DC1_FLT
LABEL
LABEL
S
S
S
S
S
S
]
]
DEFAULT
DEFAULT
10
00
00
00
0
0
0
0
0
0
0
0
LDO6 Undervoltage Status
0 = Normal
1 = Undervoltage
LDO5 Undervoltage Status
0 = Normal
1 = Undervoltage
LDO4 Undervoltage Status
0 = Normal
1 = Undervoltage
LDO3 Undervoltage Status
0 = Normal
1 = Undervoltage
LDO2 Undervoltage Status
0 = Normal
1 = Undervoltage
LDO1 Undervoltage Status
0 = Normal
1 = Undervoltage
DC-DC1 Voltage Ramp rate
00 = 1 step every 32us
01 = 1 step every 16us
10 = 1 step every 8us
11 = Immediate voltage change
DC-DC1 Clock Phase Control
0 = Normal
1 = Inverted
DC-DC1 Switching Frequency
00 = Reserved
01 = 2.0MHz
10 = Reserved
11 = 4.0MHz
DC-DC1 Output float
0 = DC-DC1 output discharged when disabled
1 = DC-DC1 output floating when disabled
DC-DC1 Soft-Start Control
(Current limiting is stepped through 8 intermediate
steps.)
00 = 31.25us steps (250us max total)
01 = 62.5us steps (500us max total)
10 = 125us steps (1000us max total)
11 = 250us steps (2000us max total)
DC-DC1 Output Capacitor
00 = 4.7uF to 20uF
01 = Reserved
10 = 22uF to 47uF
11 = Reserved
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
REFER TO
WM8310
219