AT90CAN64 Atmel Corporation, AT90CAN64 Datasheet - Page 344

• Manufacturer Part Number: AT90CAN64
• Manufacturer: Atmel Corporation

Specifications of AT90CAN64

• 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 85
• 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

344
AT90CAN32/64/128
RESET +12V
RDY/BSY
PAGEL
XTAL1
DATA
Figure 25-2. Addressing the Flash Which is Organized in Pages
Note:
Figure 25-3. Programming the Flash Waveforms
XA1
XA0
BS1
BS2
Note:
WR
OE
1. 1. Set XA1, XA0 to “10”. This enables command loading.
2. Set DATA to “0000 0000”. This is the command for No Operation.
3. Give XTAL1 a positive pulse. This loads the command, and the internal write signals
are reset.
1. PCPAGE and PCWORD are listed in
1. “XX” is don’t care. The letters refer to the programming description above.
0x10
A
PROGRAM COUNTER
ADDR. LOW
PROGRAM MEMORY
B
PAGE
DATA LOW
C
PAGE ADDRESS
WITHIN THE FLASH
DATA HIGH
PCMSB
D
PCPAGE
E
XX
ADDR. LOW
B
Table 25-11 on page
PAGEMSB
DATA LOW
PCWORD
C
(1)
WORD ADDRESS
WITHIN A PAGE
F
DATA HIGH
D
INSTRUCTION WORD
XX
E
341.
PAGE
(1)
ADDR. HIGH
G
XX
H
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
7679H–CAN–08/08