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HT85F2270 bảng dữ liệu(PDF) 143 Page - Holtek Semiconductor Inc

tên linh kiện HT85F2270
Giải thích chi tiết về linh kiện  Standard 8051 8-Bit Flash MCU
PDF  226 Pages
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HT85F2270 bảng dữ liệu(HTML) 143 Page - Holtek Semiconductor Inc

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Rev. 1.00
14� of ��6
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Standard 8051 8-Bit Flash MCU
HT85F2260/HT85F2270/HT85F2280
Timer 2 Register Description
The Timer 2 value is stored in a register pair, TL2/TH2. Each of the internal PCA modules has
a register pair, known as CRCL/CRCH for Module 0 and CCLn/CCHn for modules 1, 2 and 3.
The T2CON register is related to the interrupt control register which is described in the Interrupt
section. The remaining two registers, CCEN and T2CON1, are control registers which setup the
different operating and control modes. The following table provides a register summary list for
Timer 2.
Timer 2 Register List
Name
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
TL�
D7
D6
D�
D4
D�
D�
D1
D0
TH�
D1�
D14
D1�
D1�
D11
D10
D9
D8
CRCL
D7
D6
D�
D4
D�
D�
D1
D0
CRCH
D1�
D14
D1�
D1�
D11
D10
D9
D8
CCLn
D7
D6
D�
D4
D�
D�
D1
D0
CCHn
D1�
D14
D1�
D1�
D11
D10
D9
D8
T�CON
—
I�FR
I�FR
T�R1
T�R0
T�C�
T�I1
T�I0
T�CON1
—
—
—
�CD
T�OI
T�OE
—
—
CCEN
COCAH�
COCAL�
COCAH�
COCAL�
COCAH1
COCAL1
COCAH0
COCAL0
CCEN Register
SFR Address: C1h
Bit
7
6
5
4
3
2
1
0
Name
COCAH�
COCAL�
COCAH�
COCAL�
COCAH1
COCAL1
COCAH0
COCAL0
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 7~6
COCAH3, COCAL3: Compare/Capture mode select for Module 3 CC3 register
00: Disable
01: Capture on rising edge at the CC3 pin
10: Compare mode
11: Capture on write data into register CCL3
Bit 5~4
COCAH2, COCAL2: Compare/Capture mode select for Module 2 CC2 register
00: Disable
01: Capture on rising edge at the CC2 pin
10: Compare mode
11: Capture on write data into register CCL2
Bit 3~2
COCAH1, COCAL1: Compare/Capture mode select for Module 1 CC1 register
00: Disable
01: Capture on rising edge at the CC1 pin
10: Compare mode
11: Capture on write data into register CCL1
Bit 1~0
COCAH0, COCAL0: Compare/Capture mode select for Module 0 CRC register
00: Disable
01: Capture on rising or falling edge at the CC0 pin
10: Compare mode
11: Capture on write data into register CRCL



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