參數(shù)資料
型號: S1C88816D
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, UUC164
封裝: DIE-164
文件頁數(shù): 40/173頁
文件大小: 1411K
代理商: S1C88816D
126
EPSON
S1C88816 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (A/D Converter)
Table 5.15.6.1(b) A/D converter control bits
Address Bit
Name
SR R/W
Function
Comment
10
00FF28 D7
D6
D5
D4
D3
D2
D1
D0
PADC1
PADC0
PMDY1
PMDY0
A/D converter interrupt priority register
Melody interrupt priority register
Constantly "0" when
being read
0
R/W
00FF2A D7
D6
D5
D4
D3
D2
D1
D0
EAD
EMDY
A/D converter interrupt enable register
Melody interrupt enable register
Constantly "0" when
being read
0
R/W
Interrupt
enable
Interrupt
disable
00FF2C D7
D6
D5
D4
D3
D2
D1
D0
FAD
FMDY
A/D converter interrupt factor flag
Melody interrupt factor flag
Constantly "0" when
being read
0
R/W
Generated
Reset
R
W
Not generated
No operation
PADC1
PMDY1
1
0
PADC0
PMDY0
1
0
1
0
Priority
level
Level 3
Level 2
Level 1
Level 0
PAD4–PAD7: 00FF81HD4–D7
Sets the P14–P17 terminals as the analog input
terminals for the A/D converter.
When "1" is written: A/D converter input
When "0" is written: I/O port
Reading:
Valid
When "1" is written to PADn, the P1n terminal is set
to the analog input terminal ADn. (n=4–7)
When "0" is written, the terminal is used with the I/
O port.
At initial reset, this register is set to "0" (I/O port).
PSAD0–PSAD2: 00FF80HD0–D2
Selects the clock for the A/D converter.
Table 5.15.6.2 Input clock selection
Division
ratio
fOSC1/1
fOSC3/64
fOSC3/32
fOSC3/16
fOSC3/8
fOSC3/4
fOSC3/2
fOSC3/1
Output
control
PRAD
register
"1": ON
"0": OFF
PSAD2
1
0
Selection register
PSAD1
1
0
1
0
PSAD0
1
0
1
0
1
0
1
0
This setting controls the division ratio of the
prescaler.
At initial reset, this register is set to "0" (fOSC3/1).
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