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參數(shù)資料
| 型號(hào)： | S1C6S2L7D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 0.032 MHz, MICROCONTROLLER, UUC58 |
| 封裝： | 3.39 X 3.13 MM, DIE-58 |
| 文件頁(yè)數(shù)： | 158/192頁(yè) |
| 文件大?。?/td> | 1141K |
| 代理商： | S1C6S2L7D |
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I-56
EPSON
S1C6S2N7 TECHNICAL HARDWARE
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (SVD Circuit and Heavy Load Protection Function)
In the heavy load protection mode, the internally regu-
lated voltage is generated by the liquid crystal driver
source output VL2 so as to operate the internal circuit.
Consequently, more current is consumed in the heavy
load protection mode than in the normal mode. Unless it
is necessary, be careful not to set the heavy load protec-
tion mode with the software. Also, to reduce current
consumption, do not set the SVDON to ON in the heavy
load protection mode.
Note that in S1C6S2L7/S1C6S2B7, the range of
operating voltage differs during CR oscillation and during
crystal oscillation.
(2) In case of S1C6S2N7/S1C6S2A7
The S1C6S2N7/S1C6S2A7 have the heavy load protec-
tion function for when the battery load becomes heavy
and the source voltage changes, such as when an exter-
nal buzzer sounds or an external lamp lights. The state
where the heavy load protection function is in effect is
called the heavy load protection mode. Compared with
the normal operation mode, this mode can reduce the
output voltage variation of the constant voltage or voltage
booster of the LCD system.
The normal mode changes to the heavy load protection
mode in the following case:
When the software changes the mode to the heavy load
protection mode (HLMOD = 1)
The heavy load protection mode switches the constant
voltage circuit of the LCD system to the high-stability
mode from the low current consumption mode. Conse-
quently, more current is consumed in the heavy load
protection mode than in the normal mode. Unless it is
necessary, be careful not to set the heavy load protection
mode with the software.
Fig. 4.9.1
Configuration of SVD and
heavy load protection circuits
VS1
VL1
VSS
HLMOD
SVDDT
VSS
SVDON
SVD
circuit
Regurated
voltage circuit
Data
bus
Address 0FAH
SVD sampling
control
D3
D1
D0
VDD
相關(guān)PDF資料 |
PDF描述 |
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| S1C6S2A7F | 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, PQFP60 |
| S1C6S2B7F | 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, PQFP60 |
| S1C6S2N7D | 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, UUC58 |
| S1C6S2N7F0A0100 | MICROCONTROLLER, PQFP60 |
| S1C6S3N2D0A0100 | 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, UUC79 |
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