ATmega169P Automotive Atmel Corporation, ATmega169P Automotive Datasheet - Page 309
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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7735B–AVR–12/07
5. A: The EEPROM array is programmed one byte at a time by supplying the address and
6. Any memory location can be verified by using the Read instruction which returns the con-
7. At the end of the programming session, RESET can be set high to commence normal
8. Power-off sequence (if needed):
Table 26-15. Minimum Wait Delay Before Writing the Next Flash or EEPROM Location
Figure 26-11. Serial Programming Waveforms
Symbol
t
t
t
t
WD_FUSE
WD_FLASH
WD_EEPROM
WD_ERASE
applied for a given address. The Program Memory Page is stored by loading the Write
Program Memory Page instruction with the 7 MSB of the address. If polling
not used, the user must wait at least t
26-15.) Accessing the serial programming interface before the Flash write operation
completes can result in incorrect programming.
data together with the appropriate Write instruction. An EEPROM memory location is first
automatically erased before new data is written. If polling
user must wait at least t
chip erased device, no 0xFFs in the data file(s) need to be programmed.
B: The EEPROM array is programmed one page at a time. The Memory page is loaded
one byte at a time by supplying the 2 LSB of the address and data together with the Load
EEPROM Memory Page instruction. The EEPROM Memory Page is stored by loading
the Write EEPROM Memory Page Instruction with the 4 MSB of the address. When using
EEPROM page access only byte locations loaded with the Load EEPROM Memory Page
instruction is altered. The remaining locations remain unchanged. If polling (
not used, the user must wait at least t
26-15). In a chip erased device, no 0xFF in the data file(s) need to be programmed.
tent at the selected address at serial output MISO.
operation.
Set RESET to “1”.
Turn V
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
SERIAL DATA INPUT
CC
power off
SAMPLE
(MOSI)
(MISO)
(SCK)
WD_EEPROM
MSB
MSB
before issuing the next byte (See
WD_EEPROM
WD_FLASH
ATmega169P Automotive
before issuing the next page. (See
before issuing the next page (See
Minimum Wait Delay
(
RDY/BSY) is not used, the
4.5 ms
4.5 ms
9.0 ms
9.0 ms
Table
(
26-15). In a
RDY/BSY) is
RDY/BSY
LSB
LSB
Table
Table
) is
309
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