AT90CAN64 Automotive Atmel Corporation, AT90CAN64 Automotive Datasheet - Page 74
AT90CAN64 Automotive
Manufacturer Part Number
AT90CAN64 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(431 pages)
2.AT90CAN128_AUTOMOTIVE.pdf
(16 pages)
3.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
Specifications of AT90CAN64 Automotive
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
8
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
2
Can
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
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
4
Output Compare Channels
8
Input Capture Channels
2
Pwm Channels
7
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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9.3.2
74
AT90CAN32/64/128
Alternate Functions of Port A
• Bit 4 – PUD: Pull-up Disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See “Con-
figuring the Pin” for more details about this feature.
The Port A has an alternate function as the address low byte and data lines for the External
Memory Interface.
The Port A pins with alternate functions are shown in
Table 9-3.
The alternate pin configuration is as follows:
• AD7 – Port A, Bit 7
AD7, External memory interface address 7 and Data 7.
• AD6 – Port A, Bit 6
AD6, External memory interface address 6 and Data 6.
• AD5 – Port A, Bit 5
AD5, External memory interface address 5 and Data 5.
• AD4 – Port A, Bit 4
AD4, External memory interface address 4 and Data 4.
• AD3 – Port A, Bit 3
AD3, External memory interface address 3 and Data 3.
• AD2 – Port A, Bit 2
AD2, External memory interface address 2 and Data 2.
• AD1 – Port A, Bit 1
AD1, External memory interface address 1 and Data 1.
• AD0 – Port A, Bit 0
AD0, External memory interface address 0 and Data 0.
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Port A Pins Alternate Functions
Alternate Function
AD7 (External memory interface address and data bit 7)
AD6 (External memory interface address and data bit 6)
AD5 (External memory interface address and data bit 5)
AD4 (External memory interface address and data bit 4)
AD3 (External memory interface address and data bit 3)
AD2 (External memory interface address and data bit 2)
AD1 (External memory interface address and data bit 1)
AD0 (External memory interface address and data bit 0)
Table
9-3.
7682C–AUTO–04/08
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