ATmega168 Automotive Atmel Corporation, ATmega168 Automotive Datasheet - Page 16
ATmega168 Automotive
Manufacturer Part Number
ATmega168 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA168_AUTOMOTIVE.pdf
(19 pages)
3.ATMEGA168_AUTOMOTIVE.pdf
(340 pages)
Specifications of ATmega168 Automotive
Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
23
Ext Interrupts
24
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
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)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 150
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
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6.2.1
16
Atmel ATtiny24/44/84 [Preliminary]
Data Memory Access Times
When using register indirect addressing modes with automatic pre-decrement and post-incre-
ment, the address registers X, Y, and Z are decremented or incremented.
The 32 general purpose working registers, 64 I/O Registers, and 128/256/512 bytes of internal
data SRAM in the Atmel
modes. The Register File is described in
Figure 6-2.
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
page
Figure 6-3.
16.
Address
Data Memory Map
On-chip Data SRAM Access Cycles
clk
Data
Data
WR
CPU
RD
®
(128/256/512 x 8)
64 I/O Registers
Data Memory
ATtiny24/44/84 are all accessible through all these addressing
Internal SRAM
Compute Address
32 Registers
T1
Memory Access Instruction
“General Purpose Register File” on page
0x0DF/0x015F/0x025F
0x0000 - 0x001F
0x0020 - 0x005F
0x0060
Address valid
T2
CPU
cycles as described in
Next Instruction
T3
Figure 6-3 on
7701E–AVR–02/11
10.
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