WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 212

• 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
Register 404Bh Backup Charger Control
REGISTER
R16460
(404Ch)
Status LED
1
Register 404Ch Status LED 1
w
ADDRESS
ADDRESS
15:14
BIT
BIT
1:0
9:8
5:4
3:2
1:0
10
4
LED1_SEQ_LE
BKUP_CHG_IL
LED1_SRC[1:0
LED1_MODE[1
LED1_DUR[1:0
BKUP_CHG_V
BKUP_BATT_
LED1_DUTY_
CYC[1:0]
LABEL
LABEL
IM[1:0]
N[1:0]
STS
LIM
:0]
]
]
DEFAULT
DEFAULT
00
11
00
10
01
10
0
0
entered.
Backup Battery detection status
0 = Backup battery not present
1 = Backup battery is present
Backup Charger voltage limit
0 = 2.5V
1 = 3.1V
Protected by security key.
Backup Charger current limit
00 = 100uA
01 = 200uA
10 = 300uA
11 = 400uA
Protected by security key.
LED1 Source
(Selects the LED1 function.)
00 = Off
01 = Power State Status
10 = Charger Status
11 = Manual Mode
Note - LED1 also indicates completion of OTP Auto
Program
LED1 Mode
(Controls LED1 in Manual Mode only.)
00 = Off
01 = Constant
10 = Continuous Pulsed
11 = Pulsed Sequence
LED1 Pulse Sequence Length
(when LED1_MODE = Pulsed Sequence)
00 = 1 pulse
01 = 2 pulses
10 = 4 pulses
11 = 7 pulses
LED1 On time
(when LED1_MODE = Continuous Pulsed or Pulsed
Sequence)
00 = 1 second
01 = 250ms
10 = 125ms
11 = 62.5ms
LED1 Duty Cycle (On:Off ratio)
(when LED1_MODE = Continuous Pulsed or Pulsed
Sequence)
00 = 1:1 (50% on)
01 = 1:2 (33.3% on)
10 = 1:3 (25% on)
11 = 1:7 (12.5% on)
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
REFER TO
Pre-Production
212