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AT90PWM2 Datasheet(PDF) 263 Page - ATMEL Corporation

Part # AT90PWM2
Description  8-bit Microcontroller with 8K Bytes In-System Programmable Flash
PDF  365 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90PWM2 Datasheet(HTML) 263 Page - ATMEL Corporation

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AT90PWM2/3
4317B–AVR–02/05
The block diagram of the two amplifiers is shown on Figure 130.
Figure 130. Amplifiers block diagram
Amplifier Control
Registers
The configuration of the amplifiers are controlled via two dedicated registers AMP0CSR
and AMP1CSR. Then the start of conversion is done via the ADC control and status
registers.
The conversion result is stored on ADCH and ADCL register which contain respectively
the most significant bits and the less significant bits.
Amplifier 0 Control and Status
register – AMP0CSR
• Bit 7 – AMP0EN: Amplifier 0 Enable Bit
AMP0TS1AMP0TS0
AMP0EN AMP0IS AMP0G1 AMP0G0
AMP0CSR
+
-
AMP0+
AMP0-
Toward ADC MUX
(AMP0)
Sampling
Clock
ADCK/8
01
10
01
00
ASY0
ASY1
ASY2
--
AMP1TS1AMP1TS0
AMP1EN AMP1IS AMP1G1 AMP1G0
AMP1CSR
+
-
AMP1+
AMP1-
Toward ADC MU
(AMP1)
Sampling
Clock
ADCK/8
01
10
01
00
ASY0
ASY1
ASY2
--
Bit
7
65
43
21
0
AMP0EN
AMP0IS
AMP0G1
AMP0G0
-
-
AMP0TS1
AMP0TS0
AMP0CSR
Read/Write
R/W
R/W
R/W
R/W
-
-
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0



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