參數(shù)資料
型號: S1C60A13F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 1.2 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP14-80
文件頁數(shù): 76/104頁
文件大?。?/td> 850K
代理商: S1C60A13F
S1C60N13 TECHNICAL MANUAL
EPSON
65
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Analog Comparator)
4.13.3 Control of analog comparator
Table 4.13.3.1 lists the analog comparator control bits and their addresses.
Table 4.13.3.1 Control bits of analog comparator
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
5 Undefined
1
2
Initial value at initial reset
Not set in the circuit
3
4
Always "0" being read
Reset (0) immediately after being read
2F7H
ENVON ENVRT AMPDT AMPON
R
R/W
ENVON
ENVRT
AMPDT
AMPON
0
1
0
On
1.0 sec
+ > -
On
Off
0.5 sec
+ < -
Off
Envelope On/Off
Envelope cycle selection register
Analog comparator data
Analog comparator On/Off
AMPON: Analog comparator ON/OFF (2F7HD0)
Switches the analog comparator ON and OFF.
When "1" is written : The analog comparator goes ON
When "0" is written : The analog comparator goes OFF
Read-out : Valid
The analog comparator goes ON when "1" is written to AMPON, and OFF when "0" is written.
At initial reset, AMPON is set to "0".
AMPDT: Analog comparator data (2F7HD1)
Reads out the output from the analog comparator.
When "1" is read out : AMPP (+) > AMPM (-)
When "0" is read out : AMPP (+) < AMPM (-)
Writing : Invalid
AMPDT is "0" when the input level of the inverted input terminal (AMPM) is greater than the input level
of the noninverted input terminal (AMPP); and "1" when smaller.
At initial reset, AMPDT is set to "1".
4.13.4 Programming notes
(1) To reduce current consumption, set the analog comparator to OFF when it is not necessary.
(2) After setting AMPON to "1", wait at least 3 msec for the operation of the analog comparator to
stabilize before reading the output data of the analog comparator from AMPDT.
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