AT90CAN64-16AUR Atmel, AT90CAN64-16AUR Datasheet - Page 98
AT90CAN64-16AUR
Manufacturer Part Number
AT90CAN64-16AUR
Description
MCU AVR 64K FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® 90CANr
Datasheet
1.AT90CAN32-16AUR.pdf
(428 pages)
Specifications of AT90CAN64-16AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Data Bus Width
8 bit
Data Ram Size
4 KB
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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11.2
11.2.1
98
Timer/Counter0/1/3 Prescalers Register Description
AT90CAN32/64/128
General Timer/Counter Control Register – GTCCR
• Bit 7 – TSM: Timer/Counter Synchronization Mode
Writing the TSM bit to one activates the Timer/Counter Synchronization mode. In this mode, the
value that is written to the PSR2 and PSR310 bits is kept, hence keeping the corresponding
prescaler reset signals asserted. This ensures that the corresponding Timer/Counters are halted
and can be configured to the same value without the risk of one of them advancing during con-
figuration. When the TSM bit is written to zero, the PSR2 and PSR310 bits are cleared by
hardware, and the Timer/Counters start counting simultaneously.
• Bit 0 – PSR310: Prescaler Reset Timer/Counter3, Timer/Counter1 and Timer/Counter0
When this bit is one, Timer/Counter3, Timer/Counter1 and Timer/Counter0 prescaler will be
Reset. This bit is normally cleared immediately by hardware, except if the TSM bit is set. Note
that Timer/Counter3, Timer/Counter1 and Timer/Counter0 share the same prescaler and a reset
of this prescaler will affect these three timers.
Bit
Read/Write
Initial Value
TSM
R/W
7
0
R
6
–
0
R
5
–
0
R
4
–
0
R
3
–
0
R
2
–
0
PSR2
R/W
1
0
PSR310
R/W
0
0
GTCCR
7679H–CAN–08/08
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