AT90CAN64 Automotive Atmel Corporation, AT90CAN64 Automotive Datasheet - Page 21
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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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4.2.2
7682C–AUTO–04/08
SRAM Data Access Times
Figure 4-2.
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
Figure 4-3.
Data Memory Map
On-chip Data SRAM Access Cycles
Address
clk
Data
Data
WR
CPU
RD
Compute Address
64 I/O Registers
160 Ext I/O Reg.
External SRAM
Internal SRAM
Data Memory
(ISRAM size)
(XMem size)
32 Registers
T1
Memory Access Instruction
CPU
Address valid
ISRAM end
XMem start
0x0000 - 0x001F
0x0020 - 0x005F
0x0060 - 0x00FF
ISRAM start
0xFFFF
cycles as described in
T2
AT90CAN32/64/128
Next Instruction
T3
Figure
4-3.
21
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