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AT90SCR100 데이터시트(PDF) 131 Page - ATMEL Corporation

부품명 AT90SCR100
상세설명  8-bit Microcontroller for Smart Card Readers
PDF  433 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90SCR100 데이터시트(HTML) 131 Page - ATMEL Corporation

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131
TPR0327AY–SMS–30Jan09
AT90SCR100
13.2.10.5
OCR1AH and OCR1AL – Output Compare Register 1 A
13.2.10.6
OCR1BH and OCR1BL – Output Compare Register 1 B
The Output Compare Registers contain a 16-bit value that is continuously compared with the
counter value (TCNT1). A match can be used to generate an Output Compare interrupt, or to
generate a waveform output on the OC1x pin.
The Output Compare Registers are 16-bit in size. To ensure that both the high and low bytes are
written simultaneously when the CPU writes to these registers, the access is performed using an
8-bit temporary High Byte Register (TEMP). This temporary register is shared by all the other
16-bit registers. See “Accessing 16-bit Registers” on page 107.
13.2.10.7
ICR1H and ICR1L – Input Capture Register 1
The Input Capture is updated with the counter (TCNT1) value each time an event occurs on the
ICP1 pin. The Input Capture can be used for defining the counter TOP value.
The Input Capture Register is 16-bit in size. To ensure that both the high and low bytes are read
simultaneously when the CPU accesses these registers, the access is performed using an 8-bit
temporary High Byte Register (TEMP). This temporary register is shared by all the other 16-bit
registers. See “Accessing 16-bit Registers” on page 107.
Bit
15
141312
11
10
9
8
$000089
OCR1A[15..8]
OCR1AH
$000088
OCR1A [7..0]
OCR1AL
Bit
7
6543
2
1
0
Read/write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value
0
0
0
0
0
0
0
0
0x00
0
0000
0
0
0
0x00
Bit
15
141312
11
10
9
8
$00008B
OCR1B[15..8]
OCR1BH
$00008A
OCR1B [7..0]
OCR1BL
Bit
7
6543
2
1
0
Read/write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value
0
0
0
0
0
0
0
0
0x00
0
0000
0
0
0
0x00
Bit
15
141312
11
10
9
8
$000087
ICR1[15..8]
ICR1H
$000086
ICR1 [7..0]
ICR1L
Bit
7
6543
2
1
0
Read/write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value
0
0
0
0
0
0
0
0
0x00
0
0000
0
0
0
0x00



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