AT90CAN32 Automotive Atmel Corporation, AT90CAN32 Automotive Datasheet - Page 350
AT90CAN32 Automotive
Manufacturer Part Number
AT90CAN32 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 AT90CAN32 Automotive
Flash (kbytes)
32 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)
2
Eeprom (bytes)
1024
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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Table 25-15. Serial Programming Instruction Set
350
Instruction
Programming
Enable
Chip Erase
Read
Program Memory
Load
Program Memory
Page
Write
Program Memory
Page
Read
EEPROM Memory
Write
EEPROM Memory
AT90CAN32/64/128
Set
a = address high bits, b = address low bits, H = 0 - Low byte, 1 - High Byte, o = data out, i = data in, x = don’t care
1010 1100 100x xxxx xxxx xxxx xxxx xxxx Chip Erase EEPROM and Flash.
0010 H000 aaaa aaaa bbbb bbbb oooo oooo
0100 H000 000x xxxx xbbb bbbb iiii iiii
0100 1100 aaaa aaaa bxxx xxxx xxxx xxxx Write Program Memory Page at address a:b.
1010 0000 000x aaaa bbbb bbbb oooo oooo Read data o from EEPROM memory at address a:b.
1100 0000 000x aaaa bbbb bbbb iiii iiii Write data i to EEPROM memory at address a:b.
1010 1100 0101 0011 xxxx xxxx xxxx xxxx Enable Serial Programming after RESET goes low.
Byte 1
grammed without chip erasing the device. In this case, data polling cannot be used for the value
0xFF, and the user will have to wait at least t
Table 25-14
Table 25-14. Minimum Wait Delay Before Writing the Next Flash or EEPROM Location
Figure 25-8. Serial Programming Waveforms
Symbol
t
t
t
t
WD_FUSE
WD_FLASH
WD_EEPROM
WD_ERASE
SERIAL DA TA OUTPUT
SERIAL CLOCK INPUT
Byte 2
Instruction Format
SERIAL DA TA INPUT
for t
(2)
WD_EEPROM
(MISO-PDO)
(MOSI-PDI)
Sample
(SCK)
Byte 3
value.
(1)
MSB
MSB
Byte4
WD_EEPROM
Operation
Read H (high or low) data o from Program memory at
word address a:b.
Write H (high or low) data i to Program Memory page
at word address b. Data low byte must be loaded
before Data high byte is applied within the same
address.
Minimum Wait Delay
(1)
before programming the next byte. See
4.5 ms
4.5 ms
9.0 ms
9.0 ms
7682C–AUTO–04/08
LSB
LSB
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