參數(shù)資料
型號(hào): S1C621A0F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 133/161頁
文件大?。?/td> 1037K
代理商: S1C621A0F0A0100
I-48
EPSON
S1C621A0 TECHNICAL HARDWARE
CHAPTER 3: PERIPHERAL CIRCUITS (AMP and SVD)
3.10 AMP and SVD
The S1C621A0 contains a general purpose analog compara-
tor (AMP) and a supply voltage detector (SVD). To save
power, these circuits can be powered individually ON/OFF
under software control. Also, the output data of the circuits
can be read by software. Table 3.10.1 shows a memory map
involving the relation between the AMP and SVD.
Table 3.10.1 I/O Memory Map
Address
Comment
Register
D3
D2
D1
D0
Name
Init
1
0
0F6H
SVDDT
SVDON
CLKCHG
OSCC
R/W
SVDDT
SVDON
CLKCHG
OSCC
0
1
Normal
On
OSC1
On
Off
OSC3
Off
SVD data (1 when SVDON = 0)
SVD circuit on/off
CLK change OSC1/OSC3
OSC3 oscillation on/off
R
Low
voltage
0FFH
OPDT
OPON
IOC
R20
R/W
OPDT
OPON
IOC
R20
0
High
On
Out
High
Low
Off
In
Low
Analog comparator data (0 or 1)
Analog comparator on/off
I/O port control out/in
Output port
R
Note: Init = value at initial reset, Low = low voltage, – = not set on the circuit
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