AT90PWM3B-16SUR Atmel, AT90PWM3B-16SUR Datasheet - Page 255
AT90PWM3B-16SUR
Manufacturer Part Number
AT90PWM3B-16SUR
Description
MCU AVR 8K FLASH 16MHA 32SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM3B-16SU.pdf
(361 pages)
Specifications of AT90PWM3B-16SUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
27
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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21.10 Amplifier Control Registers
21.10.1
4317J–AVR–08/10
Amplifier 0 Control and Status register – AMP0CSR
The block diagram of the two amplifiers is shown on
Figure 21-18. Amplifiers block diagram
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.
Bit
Read/Write
Initial Value
AMP0EN AMP0IS AMP0G1 AMP0G0
AMP1EN AMP1IS AMP1G1 AMP1G0
AMP0+
AMP1+
AMP0-
AMP1-
AMP0EN
R/W
7
0
AMP0IS
Sampling
Sampling
R/W
Clock
Clock
6
0
AMP0G1
R/W
5
0
+
+
-
-
AMP0G0
AMP0CSR
AMP1CSR
R/W
4
0
00
01
10
01
00
01
10
01
-
-
Figure
3
0
-
-
AT90PWM2/3/2B/3B
ASY0
ASY1
ASY2
ASY0
ASY1
ASY2
ADCK/8
ADCK/8
21-18.
-
-
2
0
-
-
AMP0TS1AMP0TS0
AMP1TS1AMP1TS0
Toward ADC MU
Toward ADC MUX
AMP0TS1
R/W
1
0
(AMP1)
(AMP0)
AMP0TS0
R/W
0
0
AMP0CSR
255
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