AT90USB162-16AU Atmel, AT90USB162-16AU Datasheet - Page 103
AT90USB162-16AU
Manufacturer Part Number
AT90USB162-16AU
Description
MCU AVR USB 16K FLASH 32-TQFP
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB82-16MU.pdf
(307 pages)
Specifications of AT90USB162-16AU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, PS/2, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
16KB (16K 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
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Processor Series
AT90USBx
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI/USART/debugWIRE
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATSTK526, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
Minimum Operating Temperature
- 40 C
No. Of I/o's
22
Eeprom Memory Size
512Byte
Ram Memory Size
512Byte
Cpu Speed
16MHz
No. Of Timers
2
Embedded Interface Type
SPI, USART
Rohs Compliant
Yes
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK526 - KIT STARTER FOR AT90USB82/162ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Quantity
Price
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14.8.2
7707F–AVR–11/10
Timer/Counter Control Register B – TCCR0B
Note:
• Bits 3, 2 – Res: Reserved Bits
These bits are reserved bits in the AT90USB82/162 and will always read as zero.
• Bits 1:0 – WGM01:0: Waveform Generation Mode
Combined with the WGM02 bit found in the TCCR0B Register, these bits control the counting
sequence of the counter, the source for maximum (TOP) counter value, and what type of wave-
form generation to be used, see
unit are: Normal mode (counter), Clear Timer on Compare Match (CTC) mode, and two types of
Pulse Width Modulation (PWM) modes (see
Table 14-8.
Notes:
• Bit 7 – FOC0A: Force Output Compare A
The FOC0A bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero when
TCCR0B is written when operating in PWM mode. When writing a logical one to the FOC0A bit,
an immediate Compare Match is forced on the Waveform Generation unit. The OC0A output is
changed according to its COM0A1:0 bits setting. Note that the FOC0A bit is implemented as a
strobe. Therefore it is the value present in the COM0A1:0 bits that determines the effect of the
forced compare.
Bit
Read/Write
Initial Value
Mode
0
1
2
3
4
5
6
7
1. A special case occurs when OCR0B equals TOP and COM0B1 is set. In this case, the Com-
2. BOTTOM = 0x00
1. MAX
WGM2
pare Match is ignored, but the set or clear is done at TOP. See
page 98
0
0
0
0
1
1
1
1
7
FOC0A
W
0
Waveform Generation Mode Bit Description
for more details.
= 0xFF
WGM1
0
0
1
1
0
0
1
1
FOC0B
6
W
0
WGM0
Table
0
1
0
1
0
1
0
1
5
–
R
0
14-8. Modes of operation supported by the Timer/Counter
Timer/Counter
Mode of
Operation
Normal
PWM, Phase
Correct
CTC
Fast PWM
Reserved
PWM, Phase
Correct
Reserved
Fast PWM
4
–
R
0
“Modes of Operation” on page
3
WGM02
R/W
0
OCRA
OCRA
OCRA
0xFF
0xFF
0xFF
2
CS02
R/W
0
TOP
–
–
AT90USB82/162
“Phase Correct PWM Mode” on
1
CS01
R/W
0
Immediate
Update of
Immediate
OCRx at
TOP
TOP
TOP
TOP
–
–
95).
0
CS00
R/W
0
Set on
TOV Flag
BOTTOM
BOTTOM
MAX
MAX
MAX
TOP
TCCR0B
–
–
(1)(2)
103
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