AT90PWM3-16SQ Atmel, AT90PWM3-16SQ Datasheet - Page 169
AT90PWM3-16SQ
Manufacturer Part Number
AT90PWM3-16SQ
Description
IC AVR MCU FLASH 8K 32SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM3B-16SU.pdf
(361 pages)
Specifications of AT90PWM3-16SQ
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)
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
27
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
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, 11 Channel
On-chip Dac
10 bit, 1 Channel
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOICATAVRMC200 - KIT EVAL FOR AT90PWM3 ASYNCATAVRFBKIT - KIT DEMO BALLAST FOR AT90PWM2ATSTK520 - ADAPTER KIT FOR 90PWM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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16.25.16 PSC 0 Input Capture Register – PICR0H and PICR0L
16.25.17 PSC 1 Input Capture Register – PICR1H and PICR1L
16.25.18 PSC 2 Input Capture Register – PICR2H and PICR2L
4317J–AVR–08/10
• Bit 7 – PCSTn : PSC Capture Software Trig bit (not implemented on AT90PWM2/3)
Set this bit to trigger off a capture of the PSC counter. When reading, if this bit is set it means
that the capture operation was triggered by PCSTn setting otherwise it means that the capture
operation was triggered by a PSC input.
The Input Capture is updated with the PSC counter value each time an event occurs on the
enabled PSC input pin (or optionally on the Analog Comparator output) if the capture function is
enabled (bit PCAEnx in PFRCnx register is set).
The Input Capture Register is 12-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 or
12-bit registers.
Note for AT90PWM2/3 : This register is read only and a write to this register is not allowed.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
PRFMnx3:0
1001b
1010b
1011b
1100b
1101b
1110b
1111b
PCST0
PCST1
PCST2
R
R
R
7
0
7
0
7
0
Description
PSC Input Mode 9: Fixed Frequency Edge Retrigger PSC
Reserved (do not use)
PSC Input Mode 14: Fixed Frequency Edge Retrigger PSC and Disactivate
Output
Reserved (do not use)
R
R
R
6
–
0
6
–
0
6
–
0
R
R
R
5
–
0
5
–
0
5
–
0
R
R
R
4
–
0
4
–
0
4
–
0
PICR0[7:0]
PICR1[7:0]
PICR2[7:0]
R
R
R
3
0
3
0
3
0
AT90PWM2/3/2B/3B
R
R
R
2
0
2
0
2
0
PICR0[11:8]
PICR1[11:8]
PICR2[11:8]
R
R
R
1
0
1
0
1
0
R
R
R
0
0
0
0
0
0
PICR0H
PICR0L
PICR1H
PICR1L
PICR2H
PICR2L
169
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