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HT85F2270 датащи(PDF) 94 Page - Holtek Semiconductor Inc

номер детали HT85F2270
подробное описание детали  Standard 8051 8-Bit Flash MCU
PDF  226 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
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HT85F2270 датащи(HTML) 94 Page - Holtek Semiconductor Inc

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Rev. 1.00
94 of ��6
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Standard 8051 8-Bit Flash MCU
HT85F2260/HT85F2270/HT85F2280
IEN1 Register
SFR Address: A9h
Bit
7
6
5
4
3
2
1
0
Name
EXEN�
SWDT
ET�
EC�P
EX6
EX�
EX4
EX�
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
0
0
0
0
0
0
0
Bit 7
EXEN2: Timer 2 external reload interrupt enable
0: Disable
1: Enable
Bit 6
SWDT: Watchdog timer start/refresh flag
Described elsewhere
Bit 5
ET3: Timer3 interrupt enable
0: Disable
1: Enable
Bit 4
ECMP: Comparator overall interrupt enable
0: Disable
1: Enable
Bit 3
EX6: External interrupt 6 enable
0: Disable
1: Enable
Bit 2
EX5: External interrupt 5 enable
0: Disable
1: Enable
Bit 1
EX4: External interrupt 4 enable
0: Disable
1: Enable
Bit 0
EX3: External interrupt 3 enable
0: Disable
1: Enable
IEN2 Register
SFR Address: 9Ah
Bit
7
6
5
4
3
2
1
0
Name
—
—
—
—
—
ES1
ELVD
EX�
R/W
—
—
—
—
—
R/W
R/W
R/W
POR
—
—
—
—
—
0
0
0
Bit 7~3
Unimplemented, read as “0”
Bit 2
ES1: UART1 interrupt enable
0: Disable
1: Enable
Bit 1
ELVD: LVD interrupt enable
0: Disable
1: Enable
Bit 0
EX2: External interrupt 2 enable
0: Disable
1: Enable



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