AT90CAN64 Atmel Corporation, AT90CAN64 Datasheet - Page 356
AT90CAN64
Manufacturer Part Number
AT90CAN64
Description
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
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25.9.2.3
Table 25-16. JTAG Programming Instruction
356
Instruction
1a. Chip Erase
1b. Poll for Chip Erase Complete
2a. Enter Flash Write
2b. Load Address High Byte
2c. Load Address Low Byte
2d. Load Data Low Byte
2e. Load Data High Byte
2f. Latch Data
AT90CAN32/64/128
Programming Command Register
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
The Programming Command Register is a 15-bit register. This register is used to serially shift in
programming commands, and to serially shift out the result of the previous command, if any. The
JTAG Programming Instruction Set is shown in
in the programming commands is illustrated in
Figure 25-11. Programming Command Register
TDI Sequence
0100011_10000000
0110001_10000000
0110011_10000000
0110011_10000000
0110011_10000000
0100011_00010000
0000111_aaaaaaaa
0000011_bbbbbbbb
0010011_iiiiiiii
0010111_iiiiiiii
0110111_00000000
1110111_00000000
0110111_00000000
(1)(2)
TDO
TDI
O
S
T
R
B
E
S
A
D
D
R
E
S
S
D
A
T
A
/
Figure
Table
TDO Sequence
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
Lock Bits
EEPROM
25-12.
Fuses
Flash
25-16. The state sequence when shifting
(1)(2)
Notes
(4)
(11)
(3)
7679H–CAN–08/08
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