參數(shù)資料
型號： LQA48B
廠商： National Semiconductor Corporation
英文描述： Cellular Phone Power Management Unit
中文描述： 蜂窩電話電源管理單元
文件頁數(shù)： 19/32頁
文件大?。?/td> 761K
代理商： LQA48B
LP3941A Serial Port Communication Address Code
Numbers in parentheses indicate default setting: (0) bit is set to low state, and (1) bit is set to high state. R/O –Read Only,All other
bits are Read and Write.
7h’7E
TABLE 1. LP3941 Control and Data Codes
Addr
8h'00
Register
Enable
7
6
5
4
3
2
1
0
LDO7–EN
(0)
LDO9
Code 3
(1)
LDO10
Code 3
(1)
Not Used
(0)
LDO6–EN
(0)
LDO9
Code 2
(1)
LDO10
Code 2
(0)
LDO8
Code 2
(1)
LDO11
Code 2
(0)
Not Used
(0)
LDO5–EN
(1)
LDO9
Code 1
(1)
LDO10
Code 1
(1)
LDO8
Code 1
(0)
LDO11
Code 1
(0)
Not Used
(0)
LDO4–EN
(0)
LDO9
Code 0
(1)
LDO10
Code 0
(0)
LDO8
Code 0
(1)
LDO11
Code 0
(0)
Not Used
(0)
LDO3–EN
(1)
LDO1
Code 3
(0)
LDO2
Code 3
(1)
Not Used
(0)
LDO2–EN
(0)
LDO1
Code 2
(0)
LDO2
Code 2
(1)
LDO3
Code 2
(1)
LDO4
Code 2
(1)
LDO5
Code 2
(0)
LDO6
Code 2
(0)
LDO7
Code 2
(1)
Charger
Current
Code 2 (0)
EOC Sel-1
(0)
LDO1–EN
(1)
LDO1
Code 1
(1)
LDO2
Code 1
(0)
LDO3
Code 1
(0)
LDO4
Code 1
(1)
LDO5
Code 1
(1)
LDO6
Code 1
(1)
LDO7
Code 1
(0)
Charger
Current
Code 1 (0)
EOC Sel-0
(1)
LDO8–EN
(0)
LDO1
Code 0
(1)
LDO2
Code 0
(1)
LDO3
Code 0
(1)
LDO4
Code 0
(1)
LDO5
Code 0
(1)
LDO6
Code 0
(1)
LDO7
Code 0
(1)
Charger
Current
Code 0 (1)
Charger-
DIS
Off/On
(0)
LED3
Enable
(0)
8h'01
LDO9/
LDO1 Data
Code
LDO10/
LDO2 Data
Code
LDO8/
LDO3 Data
Code
LDO11/
LDO4 Data
Code
LDO5
Data Code
8h'02
8h'03
8h'04
LDO11
Code 3
(0)
Not Used
(0)
LDO4
Code 3
(1)
Not Used
(0)
8h'05
8h'06
LDO6
Data Code
Not Used
(0)
Not Used
(0)
Not Used
(0)
Not Used
(0)
Not Used
(0)
8h'07
LDO7
Data Code
Not Used
(0)
Not Used
(0)
Not Used
(0)
Not Used
(0)
Not Used
(0)
8h'08
Charger
Register –1
Not Used
(0)
Not Used
(0)
Not Used
(0)
4.1V/4.2V
(1)
Charger
Current
Code 3 (0)
Charging
R/O
8h'09
Charger
Register –2
Not Used
(0)
Not Used
(0)
Not Used
(0)
EOC
R/O
8h'0a
Control/
Enable
LDO9-EN
(0)
LDO10-EN
(0)
LDO11-EN
(0)
Back-Up
Battery
Charger
Enable
(1)
Not Used
(0)
RTC_LDO
Disable
(0)
LED1
Enable
(0)
LED2
Enable
(0)
8h'0b
ADC
Control
Register
ADC
Output
Register
Power-On-
Reason
Register
ADC/
Status
Register
Not Used
(0)
Not Used
(0)
Not Used
(0)
ADC Start
(0)
ADC EN
(0)
ADC
Mux-1
(1)
ADC1
R/O
ADC
Mux-0
(1)
ADC0
R/O
8h'0c
ADC7
R/O
ADC6
R/O
ADC5
R/O
ADC4
R/O
ADC3
R/O
ADC2
R/O
8h'0d
R/O
(0)
R/O
(0)
R/O
(0)
R/O
(0)
ON
R/O
RTC
ALARM
R/O
HF_PWR
R/O
CHG_IN
R/O
HF_PWR
R/O
8h'2e
COMP2
OUT
R/O
COMP1
OUT
R/O
ON
R/O
RTC
Alarm
R/O
Charger
Present
R/O
ADC
Overflow
R/O
ADC
Data
Ready
R/O
Note 13:
Registers h’0c, h’0d, h’2e and h’09 bits 3 and 4 are read only (R/O).
L
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