參數(shù)資料
型號(hào): S1C6S2A7F
元件分類(lèi): 微控制器/微處理器
英文描述: 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, PQFP60
封裝: PLASTIC, QFP6-60
文件頁(yè)數(shù): 161/192頁(yè)
文件大小: 1141K
代理商: S1C6S2A7F
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I-58
EPSON
S1C6S2N7 TECHNICAL HARDWARE
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (SVD Circuit and Heavy Load Protection Function)
The S1C6S2N7 Series has a heavy load protection function
for when the battery load becomes heavy and the supply
voltage drops, such as when a melody is played or an
external lamp lights. This functions works in the heavy load
protection mode.
(1) In cace of S1C6S2L7/S1C6S2B7
The normal mode changes to the heavy load protection
mode in the following two cases:
When the software changes the mode to the heavy load
protection mode
When the SVD circuit detects a supply voltage less
than l.2 V
± 0.10 V, in which case the mode is auto-
matically changed to the heavy load protection mode
(2) In case of S1C6S2N7/S1C6S2A7
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)
Based on the operation of the SVD circuit and the heavy
load protection function, the S1C6S2L7/S1C6S2B7 obtains
an operation supply voltage as low as 0.9 V. See the
electrical characteristics for the precision of voltage
detection by the SVD circuit.
In the heavy load protection mode, the internally regulated
voltage is generated by the liquid crystal driver supply
output, VL2, in order to operate the internal circuit
(S1C6S2L7/S1C6S2B7). Consequently, more current is
consumed in the heavy load protection mode than in the
normal mode. Unless necessary, do not select the heavy
load protection mode with the software.
Operation of heavy
load protection
function
Note Activation of the SVD circuit by software in the heavy load protec-
tion mode causes a malfunction. Avoid such activation if possible.
相關(guān)PDF資料
PDF描述
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
S1C6S3L2D0A0100 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, UUC79
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