AT90CAN128-16MI Atmel, AT90CAN128-16MI Datasheet - Page 308
![IC MCU AVR FLASH 128K 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT90CAN128-16MI
Manufacturer Part Number
AT90CAN128-16MI
Description
IC MCU AVR FLASH 128K 64-QFN
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN128-16MI
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
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K 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-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
For Use With
ATDVK90CAN1 - KIT DEV FOR AT90CAN128 MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90CAN128-16MI
Manufacturer:
ATMEL
Quantity:
430
Company:
Part Number:
AT90CAN128-16MI
Manufacturer:
ATMEL
Quantity:
246
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23.6.5
308
AT90CAN32/64/128
Scanning the Analog Comparator
Figure 23-7. Boundary-scan Cells for Oscillators and Clock Options
Table 23-5
XTAL1/XTAL2 connections as well as external Timer2 clock pin TOSC1 and 32kHz Timer2
Oscillator.
Table 23-5.
Notes:
The relevant Comparator signals regarding Boundary-scan are shown in
Boundary-scan cell from
described in
The Comparator need not be used for pure connectivity testing, since all analog inputs are
shared with a digital port pin as well.
Enable Signal
EXTCLKEN
OSCON
OSC32EN
TOSKON
1. Do not enable more than one clock source as clock at a time.
2. Scanning an Oscillator output gives unpredictable results as there is a frequency drift between
3. The main clock configuration is programmed by fuses. As a fuse is not changed run-time, the
From Digital Logic
the internal Oscillator and the JTAG TCK clock. If possible, scanning an external clock is
preferred.
main clock configuration is considered fixed for a given application. The user is advised to
scan the same clock option as to be used in the final system. The enable signals are sup-
ported in the scan chain because the system logic can disable clock options in sleep modes,
thereby disconnecting the Oscillator pins from the scan path if not provided.
summaries the scan registers for the external clock pin XTAL1, oscillators with
Table
Scan Signals for the Oscillators
Scanned Clock Line
EXTCLK (XTAL1)
OSCCK
OSC32CK
TOSCK
23-6.
Previous
From
Cell
ShiftDR
0
1
ClockDR
Figure 23-9
D
UpdateDR
Q
Next
Cell
To
D
G
is attached to each of these signals. The signals are
Q
Clock Option
External Main Clock
External Crystal
External Ceramic Resonator
Low Freq. External Crystal
32 kHz Timer2 Oscillator
EXTEST
0
1
(1)(2)(3)
XTAL1 / TOSC1
ENABLE
Oscillator
XTAL2 / TOSC2
OUTPUT
Previous
From
Cell
ShiftDR
0
1
ClockDR
Scanned Clock Line
when not Used
D
Figure
FF1
Q
Next
Cell
To
7679H–CAN–08/08
0
1
1
1
23-8. The
To System Logic
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