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參數(shù)資料
| 型號(hào)： | LC72349G |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Low-Voltage ETR Controller with On-Chip LCD Driver |
| 中文描述： | 低電壓東突控制器的片上LCD驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 119K |
| 代理商： | LC72349G |
Note: * C(1), C(2), and C(3) must be connected even if an LCD is not used.
No. 6472-5/14
LC72348G/W, 72349G/W
DBR1
DBR2
DBR3
0.1 to 1
μ
F
0.1 to 1
μ
F
0.1 to 1
μ
F
C(C1)
C(C2)
DBR4
C(C3)
Notes: *1. The capacitors C(1), C(2), and C(3) must be connected to the DBR pins.
*2. V
SENSE
When the V
DD
voltage drops, the V
SENSE
flag is set when that voltage is 1.75 V (typical). Applications can
check the V
SENSE
flag using the TST instruction. Battery or other power source depletion can be easily
measured by monitoring this flag.
Note that the voltage for V
SENSE
detection differs for the falling and rising directions. Thus, after the V
SENSE
flag has been set due to a voltage drop, it will not be reset if the voltage rises by under 0.1 V.
V
DD
t
1.9 V
1.6 V
→
SET
RESET
←
V
DD
t
2.1 V
1.7 V
→
RESET
SET
←
A
A
7 pF
7 pF
FMIN
AMIN
XIN
TEST1, 2
XOUT VDD
DBR2
DBR3
DBR1
DBR1
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
DBR4
VSS
PA, PF
AGND
AIN
RES
RES
FMIN
AMIN
XIN
TEST1, 2
XOUT VDD
VSS
AGND
AIN
7pF
75 kHz
75 kHz
7pF
DBR2
DBR3
DBR4
V
SENSE
(1)
For a falling voltage
*3. Halt mode current measurement circuit
*4. Backup mode current measurement circuit
With all ports other than those specified above left open.
With output mode selected for PC and PD.
With segments S13 to S20 selected.
With all ports other than those specified above left open.
With output mode selected for PC and PD.
With segments S13 to S20 selected.
V
SENSE
(2)
For a rising voltage
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