AT90PWM161 Atmel Corporation, AT90PWM161 Datasheet - Page 177
AT90PWM161
Manufacturer Part Number
AT90PWM161
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT90PWM161.pdf
(325 pages)
Specifications of AT90PWM161
Flash (kbytes)
16 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
20
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
3
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
1
Output Compare Channels
8
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM161-16MN
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT90PWM161-WN
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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13.23.10
13.23.11
7734P–AVR–08/10
PSCR Input Capture Register – PICR0H and PICR0L
PSCR Interrupt Mask Register – PIM0
Table 13-14.
• Bit 7 – PCST0 : PSCR Capture Software Trig bit
Set this bit to trigger off a capture of the PSCR counter. When reading, if this bit is set it means that the
capture operation was triggered by PCST0 setting otherwise it means that the capture operation was trig-
gered by a PSCR input.
The Input Capture is updated with the PSCR counter value each time an event occurs on the enabled
PSCR input pin (or optionally on the Analog Comparator output) if the capture function is enabled (bit
PCAE0x in PFRC0x register is set).
The Input Capture Register is 12-bit in size. To ensure that both the high and low bytes are read simultane-
ously 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.
Bit
Read/Write
Initial Value
• Bit 7- 5 – Reserved
• Bit 4 – PEVE0B : PSCR External Event B Interrupt Enable
When this bit is set, an external event which can generates a capture from Retrigger/Fault block B gener-
ates also an interrupt.
• Bit 3 – PEVE0A : PSCR External Event A Interrupt Enable
When this bit is set, an external event which can generates a capture from Retrigger/Fault block A gener-
ates also an interrupt.
Bit
Read/Write
Initial Value
PRFM0x3:0
1010b
1011b
1100b
1101b
1110b
1111b
7
-
R
0
7
PCST0
R
0
Level Sensitivity and Fault Mode Operation
Description
Reserved (do not use)
PSCR Input Mode 14: Fixed Frequency Edge Retrigger PSCR and Deactivate
Output
Reserved (do not use)
6
-
R
0
6
–
R
0
5
-
R
0
5
–
R
0
4
PEVE0B
R/W
0
0
4
–
R
PICR0[7:0]
3
PEVE0A
R/W
0
3
PICR0[11:8]
R
0
2
-
R
0
2
R
0
1
0
PEOEPE0 PEOPE0
R
1
R
0
AT90PWM81
0
R/W
0
0
R
0
PIM0
PICR0H
PICR0L
177
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