AT43USB320A-AC Atmel, AT43USB320A-AC Datasheet - Page 45
AT43USB320A-AC
Manufacturer Part Number
AT43USB320A-AC
Description
IC USB MCU EMBED HUB AVR 100LQFP
Manufacturer
Atmel
Series
AVR®r
Datasheet
1.AT43USB320A-AC.pdf
(115 pages)
Specifications of AT43USB320A-AC
Applications
USB Hub/Microcontroller
Core Processor
AVR
Controller Series
AT43USB
Ram Size
512 x 8
Interface
SPI Serial, USB, UART
Number Of I /o
32
Voltage - Supply
4.4 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Program Memory Type
-
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1443E–USB–4/04
Table 15. Clock 1 Prescale Select (Continued)
The Stop condition provides a Timer Enable/Disable function. The CK down divided modes
are scaled directly from the 12 MHz system clock. If the external pin modes are used for
Timer/Counter1, transitions on PB1/(T1) will clock the counter even if the pin is configured as
an output. This feature can give the user SW control of the counting.
CS12
1
1
1
CS11
0
1
1
CS10
1
0
1
Description
CK/1024
External Pin T1, falling edge
External Pin T1, rising edge
AT43USB320A
45
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