WM8311GEB/V Wolfson Microelectronics, WM8311GEB/V Datasheet - Page 184

• Manufacturer Part Number: WM8311GEB/V
• Description: POWER MANAGEMENT SUBSYSTEM, 121BGA
• Manufacturer: Wolfson Microelectronics

Specifications of WM8311GEB/V

• Supply Voltage: 5.5V
• No. Of Step-down Dc - Dc Converters: 4
• No. Of Ldo Regulators: 7
• Digital Ic Case Style: BGA
• No. Of Pins: 121
• No. Of Regulated Outputs: 9
• Operating Temperature Range: -40°C To
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

WM8311
REGISTER
R16397
(400Dh)
System
Status
Register 400Dh System Status
w
ADDRESS
BIT
4:0
15
10
9
8
PWR_SRC_BA
MAIN_STATE[
PWR_WALL
PWR_USB
THW_STS
LABEL
4:0]
TT
DEFAULT
0_0000
0
0
0
0
Thermal Warning status
0 = Normal
1 = Overtemperature Warning
(warning temperature is set by THW_TEMP)
Battery Power Source status
0 = Battery is not supplying current
1 = Battery is supplying current
Wall Adaptor status
0 = Wall Adaptor voltage not present
1 = Wall Adaptor voltage is present
USB status
0 = USB voltage not present
1 = USB voltage is present
Main State Machine condition
0_0000 = OFF
0_0001 = ON_CHK
0_0010 = OTP_DN
0_0011 = READ_OTP
0_0100 = READ_DBE
0_0101 = DBE_DN
0_0110 = BGDELAY
0_0111 = HYST
0_1000 = S_PRG_RD_OTP
0_1001 = S_PRG_OTP_DN
0_1010 = PWRDN1
0_1011 = PROGRAM
0_1100 = PROG_DN
0_1101 = PROG_OTP
0_1110 = VFY_OTP
0_1111 = VFY_DN
1_0000 = SD_RD_OTP
1_0001 = UNUSED
1_0010 = DBE_FAIL
1_0011 = SHUTDOWN
1_0100 = STARTFAIL
1_0101 = STARTUP
1_0110 = PREACTIVE
1_0111 = XTAL_CHK
1_1000 = PWRDN2
1_1001 = SHUT_DLY
1_1010 = RESET
1_1011 = RESET_DLY
1_1100 = SLEEP
1_1101 = SLEEP_DLY
1_1110 = CHK_RST
1_1111 = ACTIVE (ON)
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
Pre-Production
184