AT90PWM2B-16SU Atmel, AT90PWM2B-16SU Datasheet - Page 256
![IC MCU AVR RISC 8K FLASH 24-SOIC](/photos/6/70/67046/453-24-soic_sml.jpg)
AT90PWM2B-16SU
Manufacturer Part Number
AT90PWM2B-16SU
Description
IC MCU AVR RISC 8K FLASH 24-SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM3B-16SU.pdf
(361 pages)
Specifications of AT90PWM2B-16SU
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
19
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 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
24-SOIC (7.5mm Width)
Processor Series
AT90PWMx
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
19
Number Of Timers
2
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRFBKIT, ATAVRISP2
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
On-chip Dac
10 bit, 1 Channel
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRFBKIT - KIT DEMO BALLAST FOR AT90PWM2ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK520 - ADAPTER KIT FOR 90PWM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM2B-16SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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21.10.2
256
AT90PWM2/3/2B/3B
Amplifier 1Control and Status register – AMP1CSR
• Bit 7 – AMP0EN: Amplifier 0 Enable Bit
Set this bit to enable the Amplifier 0.
Clear this bit to disable the Amplifier 0.
Clearing this bit while a conversion is running will take effect at the end of the conversion.
Warning: Always clear AMP0TS1:0 when clearing AMP0EN.
• Bit 6– AMP0IS: Amplifier 0 Input Shunt
Set this bit to short-circuit the Amplifier 0 input.
Clear this bit to normally use the Amplifier 0.
• Bit 5, 4– AMP0G1, 0: Amplifier 0 Gain Selection Bits
These 2 bits determine the gain of the amplifier 0.
The different setting are shown in
Table 21-8.
To ensure an accurate result, after the gain value has been changed, the amplifier input needs
to have a quite stable input value during at least 4 Amplifier synchronization clock periods.
• Bit 1, 0– AMP0TS1, AMP0TS0: Amplifier 0 Trigger Source Selection Bits
In accordance with the Table 21-9, these 2 bits select the event which will generate the trigger
for the amplifier 0. This trigger source is necessary to start the conversion on the amplified
channel.
Table 21-9.
Bit
Read/Write
Initial Value
• Bit 7 – AMP1EN: Amplifier 1 Enable Bit
Set this bit to enable the Amplifier 1.
Clear this bit to disable the Amplifier 1.
Clearing this bit while a conversion is running will take effect at the end of the conversion.
Warning: Always clear AMP1TS1:0 when clearing AMP1EN.
• Bit 6– AMP1IS: Amplifier 1 Input Shunt
AMP0G1
0
0
1
1
AMP0TS1
0
0
1
1
Amplifier 0 Gain Selection
AMP0 Auto Trigger Source Selection
AMP0G0
0
1
0
1
AMP1EN
R/W
AMP0TS0
0
1
0
1
7
0
AMP1IS
R/W
6
0
Description
Gain 5
Gain 10
Gain 20
Gain 40
AMP1G1
Description
Auto synchronization on ADC Clock/8
Trig on PSC0ASY
Trig on PSC1ASY
Trig on PSC2ASY
Table
R/W
5
0
21-8.
AMP1G0
R/W
4
0
3
0
-
-
2
0
-
-
AMP1TS1
R/W
1
0
AMP1TS0
R/W
0
0
4317J–AVR–08/10
AMP1CSR
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