ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 173
ATmega169P Automotive
Manufacturer Part Number
ATmega169P Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA169P_AUTOMOTIVE.pdf
(373 pages)
3.ATMEGA169P_AUTOMOTIVE.pdf
(14 pages)
Specifications of ATmega169P Automotive
Flash (kbytes)
16 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
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
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
Yes
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
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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21.8.3
21.8.4
7701E–AVR–02/11
Chip Erase
Programming the Flash
The Chip Erase will erase the Flash and EEPROM
bits are not reset until the program memory has been completely erased. The fuse bits are not
changed. A chip erase must be performed before the flash and/or EEPROM are
reprogrammed.
Note:
1. Load "Chip Erase" command (see
2. Wait after Instr. 3 until SDO goes high for the “Chip Erase” cycle to finish.
3. Load "No Operation" command.
The Flash is organized in pages, see
the program data are latched into a page buffer. This allows one page of program data to be
programmed simultaneously. The following procedure describes how to program the entire
flash memory:
1. Load "Write Flash" command (see
2. Load Flash Page Buffer.
3. Load Flash High Address and Program Page. Wait after Instr. 3 until SDO goes high for
4. Repeat 2 and 3 until the entire flash is programmed, or until all data has been
5. End page programming by loading "No Operation" command.
When writing or reading serial data to the Atmel
ing edge of the serial clock. See
22-9 on page 186
Figure 21-4. Addressing the Flash which is Organized in Pages
the “Page Programming” cycle to finish.
programmed.
1. The EEPROM memory is preserved during Chip Erase if the EESAVE Fuse is programmed.
PROGRAM MEMORY
PROGRAM
COUNTER
PAGE
for details.
PAGE ADDRESS
WITHIN THE FLASH
PCMSB
Atmel ATtiny24/44/84 [Preliminary]
PCPAGE
Figure 22-5 on page
“Page Size” on page
Table 21-15 on page
Table 21-15 on page
PAGEMSB
PCWORD
WORD ADDRESS
WITHIN A PAGE
®
ATtiny24/44/84, data are clocked on the ris-
(1)
186,
memories, as well as lock bits. The lock
INSTRUCTION WORD
Figure 21-3 on page 171
166. When programming the flash,
PAGE
175).
175).
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
and
Table
173
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